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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05119724741557891 4.0024e-08  
a 3.423820133160696 1.6431e-08 au
q 3.248529966696827 1.3957e-07 au
i 18.7527740914987 4.5341e-06 deg
node 173.9311581693248 1.2655e-05 deg
peri 162.1215373587188 4.3716e-05 deg
M 65.6700253498466 4.1062e-05 deg
tp 2458578.386227678689
(2019-Apr-04.88622768)
0.00026434 TDB
period 2314.007908876599
6.34
1.6657e-05
4.56e-08
d
yr
n .1555742305888541 1.1199e-09 deg/d
Q 3.599110299624564 1.7272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2881  
   data-arc span      43069 days (117.92 yr)  
   first obs. used      1902-03-05  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43239  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:28:31  

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

[ hide close-approach data ]
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 1.86051435293095 1.86051386291391 1.86051484294926 5.09283562087883 5.0026442561481 2422698.759811618 1.8115335874215 211.155642170596 22.1523086270218 87.2960546477666 3983167.94540562 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
1934-May-13 08:29 00:02 Jupiter 1.98851319812827 1.98851238697838 1.98851400928155 5.22003223198804 5.1377836754223 2427570.853788572 1.55929117643371 160.028192841191 21.413076058022 -77.4547498603119 4489803.60683911 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
1975-Apr-18 04:21 < 00:01 Jupiter 1.62178115746782 1.62178073565149 1.62178157928424 5.59101702270769 5.49680934811126 2442520.681585276 0.757163068736119 111.386520966273 20.2294358643958 -89.0975030048342 3974023.90985486 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
1988-Oct-31 02:54 < 00:01 Jupiter 1.95454704825284 1.95454634524724 1.95454775125855 3.85120198313336 3.73698229963025 2447465.621016311 0.753276587462285 73.0294531294929 34.2634276207996 80.8146735948016 2496810.35341252 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
2003-Jan-12 20:19 < 00:01 Jupiter 1.98041321580293 1.98041262653598 1.98041380506988 4.22557882838521 4.12311977192383 2452652.346221787 0.394299905602591 68.3530170324523 27.7913796645042 84.3725925228306 3234305.6473976 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
2016-Jun-16 15:17 < 00:01 Jupiter 1.853075710338 1.85307528506936 1.85307613560663 5.28680804173937 5.19963067147842 2457556.136698902 0.262795140680505 55.9796710003557 20.1065459915671 -85.5754672266387 4345242.85145362 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
2057-May-11 01:16 < 00:01 Jupiter 1.81441996548062 1.81441919582139 1.81442073514109 5.4821983615587 5.39637307411375 2472494.552473709 0.971869258583963 108.602712990698 24.8298592687641 -73.8928249217523 4100566.04235413 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
2070-Oct-01 05:36 00:01 Jupiter 1.68420059934821 1.68419995062751 1.68420124807169 5.3076612483901 5.21204592857253 2477385.733673737 1.22849315937666 159.646603514146 22.773956992444 81.5745888431213 3612585.27712516 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
2098-Jul-19 20:23 00:02 Jupiter 1.86952269843466 1.86952202129825 1.8695233755748 4.91359367023377 4.82050464559571 2487539.349287170 1.81535579114809 189.27285679605 23.2147193668839 82.1916897934524 3702643.38943908 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
2111-Nov-24 05:08 00:02 Jupiter 1.92383756358694 1.9238367185014 1.92383840868014 5.25054596824224 5.16601179217122 2492413.714192220 1.99762798137212 229.352442014615 21.1776301076618 -80.8198473172131 4342996.62586166 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
2152-Oct-31 15:08 00:03 Jupiter 1.65721535105163 1.65721447147641 1.6572162306521 5.65162622495705 5.56045458138045 2507366.130217664 2.78269511834647 372.801910523978 20.4665675818499 -84.0722478801178 4161350.9904516 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
2166-Apr-15 18:02 00:04 Jupiter 1.87128384260214 1.87128187988171 1.87128580533375 4.50939831259577 4.40787797337033 2512280.251697496 3.78579508335942 262.529977098501 32.427106902094 66.6233413131927 2343903.40294405 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28
2194-Jan-01 13:07 00:04 Jupiter 1.82837668525643 1.82837626612458 1.8283771043886 5.21043432001989 5.12075153185014 2522403.046612341 3.55209078762937 433.423297189671 20.0605636224929 -89.9080362339793 4175641.10449487 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:28:44 2020-Feb-22 15:28

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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