Manje, Mercury ibanga 0.89 AU kumhlaba, Venus ibanga 1.56 AU, Mars ibanga 2.29 AU, Jupiter ibanga 5.12 AU, kanye Saturn ibanga 10.48 AU kude.
Imibuzo Evamile Yemephu Yehumusha Okusele
Zinkomo zizini namuhla?
Imephu ekhona ibonisa indawo yamuhla yezinyota zonke eziyisishiyamelo — Mercury, Venus, Umhlaba, Mars, Jupiter, Saturn, Uranus, kanye ne-Neptune — eyabalwa kusetshenziswa ikhona ye-NASA JPL. Chofoza kunyota uze ubone ibanga layo kulelanga nomhlaba nge-real-time.
IMars ibangeni elilodwa emhubeni olumhla?
Ibanga eli-Mars nomhlaba liyashintsha njengoba zombi izinyota zibudlhela iLanga ezisikhathini ezihlukile. Chofoza ku-Mars kumephu ekhona ukuze ubone ibanga namuhla. I-Mars ifika kuya ngamalandi angamaphethelo 0.37 AU (55 yamamkhilomethala amilimu) ngokusondela kuya 2.68 AU (401 yamamkhilomethala amilimu) uma kunwebi kocingo loLanga.
Iminyaka engakhi inyota ngayinye izikhathela iLanga isigaba sayo?
Mercury: amasekhethi angamashumi neshumi nanye. Venus: amasekhethi angamashumi nemashumi nambili nanumathathu. Umhlaba: amasekhethi angamashumi nesikhombisa nabamunane (onyaka elilodwa). Mars: amasekhethi angamashumi namashumi nesikhombisa neshiyamelo (iminyaka elilodwa elintsha). Jupiter: amasekhethi angamashumi namashumi nesikhombisa nethoba (iminyaka elilodwa elithoba). Saturn: amasekhethi angamashumi namashumi neshumi nanye nantathu (iminyaka elilodwa elishumi nanine). Uranus: amasekhethi angamashumi namashumi nesikhombisa newama (iminyaka elilodwa elishumi nesikhombisa). Neptune: amasekhethi angamashumi namashumi neshumi namantsholo (iminyaka elilodwa elishumi namantsholo). Sebenzisa izilawuli zesikhathi ukuze ubuhle ebuhlu bezinyota bukuguquke.
Izikhona zezinyota zibalwa njani?
Imephu isebenzisa ikhona ye-Keplerian ye-NASA JPL enama-perturbation rates anesilinganiselo sennyanga 1800–2050. Izingelo zesigaba eziyisishiyamelo ziyabalwa osuku lwamuhla kuninyota ngayinye, lapho isigaba se-Kepler siyaxazululwa okukhutshwe kusetshenziswa i-Newton-Raphson ukusukela ekusangeni okune-ecliptic okune. Indawo iyaqonda ngaphandle kwebika elilodwa.
Yini engibuhlela lapha?
Ubuhle obukhangela phezulu kwehumusha okusele kusukela ekugeneza umpilo we-ecliptic — umpilo wobukhulu bomhlaba. I-Langa likhona, futhi izinyota zonke eziyisishiyamelo zibonakaliswe emindaweni yazo ye-heliocentric. Ilanga libonakaliswe okubuyaphakama umhlaba. Ibanga lisebenzisa isivinini esihlanganiswe se-logarithmic ngakho zombi izinyota zenangaphanathi nezingeni lelanga ziseni thi buka.
Abi izinyota ebhomu imilinganiselo?
Cha — isisebenzi sizinyota sebonakaliswe ngenxa yokubukeka. Uma zabhalwa imilinganiselo enendawo yesigaba okukhonjiswe, nxa u-Jupiter azobika iphupu elingabonakali. Kodwa-ke, indawo nebuhle besigaba ebukhayo biyaqonda.
Ngabe ngikhona ukulibuka isigaba sangaphakathi nangenkosi?
Yebo! Sebenzisa izilawuli zesikhathi ukuze umise futhi uqondise usuku lwanoma nini. Isikhathi sesigaba sihlukahluka kusikhathi okunene (1x) kuya 30 izinsuku ezithuswe nge-sekhondi. Umkholi wokunqoba usisizakala ukunqoba usuku lwanoma nini phakathi ngo-1800 neye-2050.
Uyini Astronomical Unit (AU)?
AU oyinye ilingana nebanga elilodwa kusukela umhlaba kulelanga — cishe 149.6 yamamkhilomethala amilimu (angamaphethelo mamilimu angamashumi nesikhombisa). I-Neptune, inyota yokukhanya, okubuyaphakama cishe 30 AU kulelanga.
Mayelana Nemephu Yehumusha Okusele
Imephu eliphandelela ngokwenyakuhlonipho ibonisa indawo yezinyota zonke eziyisishiyamelo nelanga, ekhangela phezulu kompilo we-ecliptic — i-ecliptic emile itholwe yi-Umhlaba okubuyaphakama umholi. I-Langa likhona, futhi inyota ngayinye ibekwe endaweni ye-heliocentric ngqo ebonwayo ye-NASA JPL ikhona.
Indawo yezinyota iyabalwa kusetshenziswa ikhona ye-Keplerian ye-JPL evamile inonyaka 1800–2050. Kuna kuinyota ngayinye, izingelo zesigaba eziyisishiyamelo ziyabalwa ngosuku lwamuhla, lapho izilinganiso zesigaba zixazululwa kusetshenziswa i-Newton-Raphson iteration ukusukela ekusangeni okune-ecliptic. Indawo yilanga isebenzisa i-lunar theory algorithm ngaphansi yeMeeus ye-Astronomical Algorithms. Yonke indawo iyaqonda ngaphandle kwebika elilodwa.
Ibanga lisulelwa kuzo-Astronomical Units (AU) — AU oyinye ilingana nebanga elilodwa kusukela umhlaba kulelanga, cishe 149.6 yamamkhilomethala amilimu. Imephu isebenzisa isivinini esihlanganiswe: izinkulumo ezinele 2 AU futhi i-logarithmic ngaphandle, ngakho zombili izinyota zenangaphanathi zendlalelo negasiyi ziseni thi buka.
Sebenzisa izilawuli zesikhathi ukuze ubuhle ebuhlu bezinyota bukuguquke. Kusikhathi '1d/s', usuku olunye lomkholi usithi umsebenzi oyinye ubheki — i-Mercury igcoba isigaba ngemasekhondi angamashumi neshumi nanye, i-Umhlaba cishe imaminithi eyisithupha. Kuwengeza '30d/s' ukuze ubuhle zonke izinyota bukuguquke, kubandakanya izinyota ezijele okuzibukisa.
Jiya ikhwele langa namuhla ekhona Moon Phase Calendar. Hlola Coordinated Lunar Time (LTC) — i-umkela wesikhathi othathwe olusele.
Ibanga Lamanyota Namuhla Nidatha Yesigaba
| Inyota | Ibanga kulelanga | Ibanga kumhlaba | Isikhathi Sesigaba | Isikhathi Sesigaba |
|---|---|---|---|---|
| Mercury | 0.47 AU | 0.89 AU (133,428,122 km) | 88 izinsuku | 47.4 km/s |
| Venus | 0.72 AU | 1.56 AU (232,824,064 km) | 225 izinsuku | 35.0 km/s |
| Umhlaba | 1.00 AU | — | 365.25 izinsuku | 29.8 km/s |
| Mars | 1.38 AU | 2.29 AU (342,527,282 km) | 687 izinsuku | 24.1 km/s |
| Jupiter | 5.24 AU | 5.12 AU (766,422,703 km) | 11.9 iminyaka | 13.1 km/s |
| Saturn | 9.49 AU | 10.48 AU (1,567,043,647 km) | 29.5 iminyaka | 9.7 km/s |
| Uranus | 19.48 AU | 20.20 AU (3,021,426,072 km) | 84.0 iminyaka | 6.8 km/s |
| Neptune | 29.88 AU | 30.86 AU (4,616,146,519 km) | 164.8 iminyaka | 5.4 km/s |