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4055 Magellan (1985 DO2)
Classification: Amor [NEO]          SPK-ID: 2004055
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 589 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3263362483621956 3.1118e-08  
a 1.82043461020633 2.6747e-09 au
q 1.226360809122901 5.6305e-08 au
i 23.25372401984579 4.4827e-06 deg
node 164.829792237007 6.447e-06 deg
peri 154.3662001475607 8.2124e-06 deg
M 345.2035174790734 3.7719e-06 deg
tp 2459037.373727098634
(2020-Jul-06.87372710)
9.4321e-06 TDB
period 897.141718427619
2.46
1.9772e-06
5.413e-09
d
yr
n .4012743946752986 8.8438e-10 deg/d
Q 2.414508411289761 3.5476e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3819  
   data-arc span      13014 days (35.63 yr)  
   first obs. used      1985-01-21  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-15 06:57:17  

Additional Information
 Earth MOID = .23975 au 
 Jupiter MOID = 3.01125 au 
 T_jup = 3.886 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO416754  
diameter diameter 2.49 km n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
rotation period rot_per 7.475 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2000) http://www.asu.cas.cz/~ppravec/neo.htm]
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2015) Minor Planet Bull. 42, 256-266.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Sada, P.V.; Navarro-Meza, S.; Reyes-Ruiz, M.; Olguin, L.; et al. (2016) Minor Planet Bull. 43, 154-156.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 223-237.]
[Aznar Macias, A.; Predatu, M.; Vaduvescu, O.; Oey, J. (2018) arXiv:1801.09420. Romanian J. Phys. 62, 904 (2017).]
geometric albedo albedo 0.31   n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
Tholen spectral type spec_T V   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B V   n/a Binzel et al. (2004) Icarus 170, 259-294  

4055 Magellan (1985 DO2)          Discovered 1985-Feb-24 by Helin, E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1902-Aug-30 14:04 < 00:01 Earth 0.286127722509019 0.286125667970606 0.286129777050263 13.3519609770379 13.3512635179982 2415992.086216227 0.0279586949121067 112.034698830657 13.0611177541998 -24.0488791256602 1250818.31172119 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
1907-Sep-06 17:05 < 00:01 Earth 0.435306325621214 0.435303495793298 0.435309155454327 12.1598317310889 12.1593283477897 2417825.211511014 0.169756583348052 159.899066129909 12.9395585261271 -28.1545199696603 2422069.98391912 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
1929-Aug-30 06:22 < 00:01 Earth 0.339866393343968 0.339864129321358 0.339868657367949 14.0724979600728 14.0719408493259 2425853.765036215 0.031380010522219 118.017272389432 13.8003229391179 -17.0636434147686 1045623.31359286 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
1934-Sep-04 03:27 < 00:01 Earth 0.368866030801167 0.368863825216617 0.368868236390624 12.0664927435262 12.0658940929407 2427684.643479737 0.103777211096519 129.078067413373 11.1298402007406 -31.6943636931283 2796179.26258533 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
1956-Aug-30 05:08 < 00:01 Earth 0.403804374588629 0.403802469485939 0.403806279691663 14.9889237959963 14.9884835684002 2435715.713913379 0.036682538030433 96.8785464522401 14.8867082586499 -11.4462363186197 907623.546418621 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
1961-Sep-02 07:13 < 00:01 Earth 0.313433281896795 0.313431933531133 0.313434630266447 12.0215186263839 12.0208114614995 2437544.800611602 0.055091807173459 87.7690734286061 10.3967460273347 -40.3390539569807 3198168.29446122 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
1983-Aug-30 22:59 < 00:01 Earth 0.473590568882368 0.473589456535886 0.473591681228878 15.9312333183316 15.9308801638458 2445577.457657197 0.0434221946136859 55.7700395040983 16.3835142278501 -6.25015004800857 1201084.45288318 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
1988-Aug-31 22:25 < 00:01 Earth 0.266564351001399 0.266563887806242 0.266564814197495 12.0622447795138 12.0614160800277 2447405.434130730 0.0273161343344254 36.5267411652534 10.8065758163611 -54.1919289778601 3181966.83355019 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2015-Aug-31 20:48 < 00:01 Earth 0.239434253866008 0.239434074390843 0.239434433341227 12.3162859873 12.3153824163879 2457266.366479474 0.0224885895150676 12.6397853971329 7.02959093565768 58.1768697896642 4236816.24437539 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2042-Aug-31 04:46 < 00:01 Earth 0.250573899816269 0.250573558785557 0.250574240846995 12.7391210882697 12.7382863481489 2467127.698412751 0.024955465221366 17.4548300946526 12.660424933965 -19.1230810445357 1986966.32408895 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2047-Sep-10 00:16 < 00:01 Earth 0.499079120566811 0.4990780672186 0.499080173915816 12.3175522818082 12.3171188446079 2468963.510893451 0.0926471614680968 61.9776920347395 15.0661213957348 -33.1757603562235 2718489.32129221 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2069-Aug-30 19:12 < 00:01 Earth 0.290031012965146 0.290029777720653 0.290032248210415 13.368070849835 13.3673836068077 2476989.299995720 0.0278451926882784 66.1636650281928 13.3716606596176 -21.8916512931653 1225566.74409897 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2074-Sep-06 11:19 < 00:01 Earth 0.428251534426309 0.428249637814055 0.428253431040558 12.2572498145801 12.2567422054975 2478821.971448475 0.115410995068596 105.395915847916 13.0326224791446 -26.4076404088378 2235834.05833099 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2096-Aug-30 11:08 < 00:01 Earth 0.346829154920577 0.346826875474206 0.34683143436819 14.1288561061196 14.1283123575671 2486850.963912426 0.0318018247315565 118.315340070959 14.2390394531331 -16.2404679717449 995096.243201804 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2101-Sep-04 23:26 < 00:01 Earth 0.359728776545704 0.359726382568622 0.359731170527735 12.1333043701953 12.1326938936125 2488681.476152087 0.110320060453736 136.817239998043 11.1310765242111 -29.3525387315018 2506854.38287142 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2123-Sep-01 05:23 < 00:01 Earth 0.418770584195327 0.418767423395196 0.41877374499641 15.0798947864358 15.0794728529891 2496712.723999220 0.0380601855454489 160.762864274911 15.6228724979826 -11.4153802014799 789596.630046004 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2128-Sep-03 04:56 < 00:01 Earth 0.301124591235005 0.30112221288934 0.30112696959313 12.0842695317378 12.0835372825676 2498541.705782408 0.091532201109369 153.180475201965 10.3077726645756 -39.3702101828977 2986641.93362995 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2150-Aug-31 22:39 < 00:01 Earth 0.488883097239486 0.488879328334914 0.488886866144642 16.0308285218342 16.0304885397974 2506574.444004105 0.0453107309665191 189.884274204295 17.3162893522772 -8.2478996051815 638203.470830987 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2155-Sep-02 23:57 < 00:01 Earth 0.260345614285554 0.260343894288554 0.260347334300712 12.1320965028485 12.1312528935963 2508402.498056983 0.0727208481831201 138.974600529008 10.9008193661582 -52.1167505660336 2928643.71395886 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57
2182-Sep-02 03:44 < 00:01 Earth 0.24012991867744 0.240129443867487 0.240130393492567 12.3330373477382 12.3321376184084 2518263.655895692 0.0557793469541058 66.6507124211957 10.7027896033628 -71.2720546029466 3318918.59918298 T 589 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:25 2020-Sep-15 06:57

Alternate Designations
 1985 DO2 = 1988 OG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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