+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100946 (1998 OD10) Classification: Main-belt Asteroid          SPK-ID: 2100946 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .173080460820997 3.7381e-08   a 2.436809272297109 1.1288e-08 au q 2.015045200515047 9.4752e-08 au i 1.454552285302376 4.9899e-06 deg node 317.1800367324242 0.00015137 deg peri 325.6424121986553 0.00015208 deg M 343.0048479163563 1.4435e-05 deg tp 2459266.092364858397 (2021-Feb-20.59236486) 5.572e-05 TDB period 1389.411005727251 3.80 9.654e-06 2.643e-08 d yr n .2591025970832637 1.8003e-09 deg/d Q 2.858573344079171 1.3241e-08 au   Orbit Determination Parameters    # obs. used (total)      546      data-arc span      7971 days (21.82 yr)      first obs. used      1998-07-26      last obs. used      2020-05-22      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .58497      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:34:29   Additional Information  Earth MOID = .996883 au   Jupiter MOID = 2.28553 au   T_jup = 3.483  [ hide covariance matrix ] Orbital Elements at Epoch 2457075.5 (2015-Feb-22.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .173872800130486 3.7442e-08   q 2.012684631809458 9.4869e-08 au tp 2456485.731118342895 (2013-Jul-12.23111834) 5.7986e-05 TDB node 317.2662364705094 0.00015099 deg peri 325.3111391543595 0.00015171 deg i 1.457259619634751 4.9923e-06 deg   Orbit Determination Parameters    # obs. used (total)      546      data-arc span      7971 days (21.82 yr)      first obs. used      1998-07-26      last obs. used      2020-05-22      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .58497      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:34:29   Additional Information  Jupiter MOID = 2.28553 au   T_jup = 3.483  Orbit Covariance (6×6)   e q tp node peri i e 1.401907319577753E-15 -3.536846341252034E-15 9.698163334155854E-13 8.232588104452611E-16 2.428925536916022E-13 9.494650943991153E-17 q -3.536846341252034E-15 9.000214865263504E-15 -2.525559103030706E-12 -2.785366047387447E-15 -6.238714213359012E-13 -1.208524500887238E-16 tp 9.698163334155854E-13 -2.525559103030706E-12 3.362367638471219E-9 -1.471059389599962E-11 8.643462516293418E-10 -4.779937233138131E-13 node 8.232588104452611E-16 -2.785366047387447E-15 -1.471059389599962E-11 2.279923380932864E-8 -2.279507462139725E-8 2.477826981362607E-10 peri 2.428925536916022E-13 -6.238714213359012E-13 8.643462516293418E-10 -2.279507462139725E-8 2.301518938151092E-8 -2.478066665823575E-10 i 9.494650943991153E-17 -1.208524500887238E-16 -4.779937233138131E-13 2.477826981362607E-10 -2.478066665823575E-10 2.49228796206994E-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 16.35   n/a E2021B55   100946 (1998 OD10)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 OD10 = 2002 RL129  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 02:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin