+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   351518 (2005 SO84) Classification: Main-belt Asteroid          SPK-ID: 2351518 [ 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 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1248192962376294 7.3525e-08   a 3.184067327313698 4.6322e-08 au q 2.786634284345172 2.3611e-07 au i .6105212946101853 9.2727e-06 deg node 223.1008695417008 0.00060561 deg peri 143.9718883329863 0.0006067 deg M 213.6481111816637 4.0712e-05 deg tp 2459844.160316283338 (2022-Sep-21.66031628) 0.00024758 TDB period 2075.256536244643 5.68 4.5287e-05 1.24e-07 d yr n .1734725291608773 3.7856e-09 deg/d Q 3.581500370282223 5.2104e-08 au   Orbit Determination Parameters    # obs. used (total)      130      data-arc span      7583 days (20.76 yr)      first obs. used      1999-08-21      last obs. used      2020-05-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62965      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 16:43:32   Additional Information  Earth MOID = 1.78535 au   Jupiter MOID = 1.88284 au   T_jup = 3.186  [ hide covariance matrix ] Orbital Elements at Epoch 2457470.5 (2016-Mar-23.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1242356327532345 7.3725e-08   q 2.79054244444831 2.3673e-07 au tp 2457770.991071359326 (2017-Jan-17.49107136) 0.00021809 TDB node 223.1072205818566 0.00060596 deg peri 144.495316339987 0.00060705 deg i .6100216788780587 9.271e-06 deg   Orbit Determination Parameters    # obs. used (total)      130      data-arc span      7583 days (20.76 yr)      first obs. used      1999-08-21      last obs. used      2020-05-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62965      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 16:43:32   Additional Information  Jupiter MOID = 1.88284 au   T_jup = 3.186  Orbit Covariance (6×6)   e q tp node peri i e 5.435391336816608E-15 -1.71958482958705E-14 4.834682593552552E-12 -9.7638187491206E-15 8.029935790545747E-13 -4.477332881750544E-16 q -1.71958482958705E-14 5.604154634427781E-14 -1.004917946154802E-11 3.310344983639709E-14 -1.711405033016475E-12 1.219947416904941E-15 tp 4.834682593552552E-12 -1.004917946154802E-11 4.756460341292045E-8 6.818244997596069E-12 7.973983092291029E-9 -7.038281827114261E-13 node -9.7638187491206E-15 3.310344983639709E-14 6.818244997596069E-12 3.671837967378867E-7 -3.671613133543835E-7 1.263090848301717E-10 peri 8.029935790545747E-13 -1.711405033016475E-12 7.973983092291029E-9 -3.671613133543835E-7 3.685093265477817E-7 -1.264297844552035E-10 i -4.477332881750544E-16 1.219947416904941E-15 -7.038281827114261E-13 1.263090848301717E-10 -1.264297844552035E-10 8.595118993035894E-11 [ 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 16.4   n/a MPO434218   351518 (2005 SO84)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak Reference: 20130127/Numbers.arc Last Updated: 2013-01-31 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 07:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin