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483 Seppina (A902 EJ)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000483
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05119724050357302 3.7285e-08  
a 3.423820135436134 1.5696e-08 au
q 3.248529992521235 1.2852e-07 au
i 18.75277333799801 4.2964e-06 deg
node 173.9311583341565 1.2577e-05 deg
peri 162.12153397411 4.3287e-05 deg
M 65.67002771806821 4.0838e-05 deg
tp 2458578.386212035436
(2019-Apr-04.88621204)
0.00026282 TDB
period 2314.0079111834
6.34
1.5912e-05
4.356e-08
d
yr
n .1555742304337643 1.0698e-09 deg/d
Q 3.599110278351033 1.6499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3083  
   data-arc span      43339 days (118.66 yr)  
   first obs. used      1902-03-05  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:29:06  

Additional Information
 Earth MOID = 2.24491 au 
 Jupiter MOID = 1.69599 au 
 T_jup = 3.054 
[ 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 8.3   n/a MPO502157 IRAS observations used: 29
diameter diameter 66.858 km 0.900 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.727 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Zappala, V.; Di Martino, M.; Cellino, A.; Farinella, P.; et al. (1989) Icarus 82, 354-368.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Santana-Ros, T.; et al. (2015) Planet. Space Sci. 118, 256-266.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.184   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.863   0.014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.24, mean=5.90, max.=8.56) deg.
U-B UB 0.410   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.24, mean=5.90, max.=8.56) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

483 Seppina (A902 EJ)          Discovered 1902-Mar-04 by Wolf, M. at Heidelberg
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
1921-Jan-09 06:14 00:02 Jupiter 1.86051438024104 1.86051392664494 1.8605148338381 5.09283544924641 5.0026440827572 2422698.759766956 1.77067581225834 208.105197660404 20.7585360140552 87.6423699858754 4202538.51054807 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
1934-May-13 08:29 00:02 Jupiter 1.98851319122679 1.98851238214 1.98851400031687 5.22003221222048 5.13778365505055 2427570.853755990 1.52401044941908 155.262300805982 20.2733907804874 -76.8478303029036 4757950.65472579 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
1975-Apr-18 04:21 < 00:01 Jupiter 1.62178112986826 1.62178073761686 1.62178152211974 5.59101675682652 5.49680907605629 2442520.681584373 0.74733897193868 110.241483746662 18.6676575577455 -88.5312724985756 4238907.69540456 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
1988-Oct-31 02:54 < 00:01 Jupiter 1.95454700799347 1.95454633336863 1.95454768261842 3.85120185598699 3.73698216620906 2447465.621014938 0.74914705956418 70.6117789726302 33.4851692364792 81.6474398843566 2529524.7950152 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
2003-Jan-12 20:19 < 00:01 Jupiter 1.98041320905167 1.98041262751379 1.98041379058966 4.22557872459583 4.12311966520168 2452652.346218561 0.388892130050738 65.2407370185146 27.4919453182655 83.7178187462156 3409073.37998687 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
2016-Jun-16 15:17 < 00:01 Jupiter 1.85307573526567 1.8530753382416 1.85307613228974 5.286807963873 5.19963059348908 2457556.136704628 0.252802437727698 54.6683834304541 18.9694803717324 -87.0879212461532 4597450.38059756 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
2057-May-11 01:16 < 00:01 Jupiter 1.81441991564222 1.81441920668664 1.81442062459903 5.48219811989725 5.39637282623267 2472494.552492546 0.930419152714305 106.470905971045 22.8027569770109 -74.8728025366519 4348874.28946136 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
2070-Oct-01 05:37 00:01 Jupiter 1.68420058732851 1.68419994379487 1.68420123086483 5.30766101026876 5.21204568539419 2477385.733703305 1.17999105500764 150.97045672423 21.6060771023881 80.765098748239 3846786.80918691 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
2098-Jul-19 20:23 00:02 Jupiter 1.86952269324927 1.86952201629373 1.86952337020853 4.91359361226155 4.82050458624329 2487539.349326388 1.75018528834829 180.085220226405 21.9345974919134 81.4397880644085 3937442.97026466 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
2111-Nov-24 05:09 00:02 Jupiter 1.92383761039513 1.92383683131775 1.9238383894796 5.25054588380961 5.16601170843057 2492413.714241283 1.92877655716716 222.292844703448 19.766520641665 -81.285050327102 4595017.30532067 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
2152-Oct-31 15:08 00:03 Jupiter 1.65721529629179 1.65721448935418 1.65721610325295 5.6516259760186 5.56045432532299 2507366.130294168 2.69066035330556 361.191914755532 18.8451285518905 -84.3860004534078 4452903.65058162 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
2166-Apr-15 18:03 00:04 Jupiter 1.87128387942265 1.87128196614123 1.87128579271429 4.50939784252729 4.40787749449601 2512280.251788827 3.65999177888294 250.929502312883 31.6002574802789 66.1489596989683 2453146.28147217 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29
2194-Jan-01 13:07 00:03 Jupiter 1.82837670937039 1.82837632192414 1.82837709681664 5.21043431849838 5.12075153149515 2522403.046712150 3.43712594739617 418.167916486748 18.6016011341027 89.8231172928104 4433317.53905246 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:14 2020-Nov-13 04:29

Alternate Designations
 A902 EJ = 1942 OE = 1955 QJ = A896 GA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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