+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20276 (1998 FO42) Classification: Main-belt Asteroid          SPK-ID: 2020276 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1089342391890975 4.5914e-08   a 2.194500743746571 9.5134e-09 au q 1.95544447482663 1.0332e-07 au i 3.132380018738119 4.789e-06 deg node 212.8302420193524 8.0694e-05 deg peri 337.413019679188 8.4865e-05 deg M 290.0792810846089 3.0694e-05 deg tp 2459231.124482858796 (2021-Jan-16.62448286) 0.00010211 TDB period 1187.413618124152 3.25 7.7214e-06 2.114e-08 d yr n .3031799488443794 1.9715e-09 deg/d Q 2.433557012666512 1.055e-08 au   Orbit Determination Parameters    # obs. used (total)      652      data-arc span      8551 days (23.41 yr)      first obs. used      1996-10-06      last obs. used      2020-03-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60921      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:03:47   Additional Information  Earth MOID = .955754 au   Jupiter MOID = 2.52555 au   T_jup = 3.660  [ hide covariance matrix ] Orbital Elements at Epoch 2456714.5 (2014-Feb-26.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1089581387855273 4.5977e-08   q 1.955459292950234 1.0346e-07 au tp 2456856.573031308278 (2014-Jul-18.07303131) 9.3838e-05 TDB node 212.8557486655858 8.0704e-05 deg peri 337.4045739472497 8.4861e-05 deg i 3.131691487137133 4.7895e-06 deg   Orbit Determination Parameters    # obs. used (total)      652      data-arc span      8551 days (23.41 yr)      first obs. used      1996-10-06      last obs. used      2020-03-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60921      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:03:47   Additional Information  Jupiter MOID = 2.52555 au   T_jup = 3.660  Orbit Covariance (6×6)   e q tp node peri i e 2.113922188788242E-15 -4.741829753298978E-15 -1.047781229979651E-12 7.146666052251539E-15 -2.627240844275084E-13 7.799401663385827E-16 q -4.741829753298978E-15 1.070422913455269E-14 2.684104411862352E-12 -1.79372068575973E-14 6.801609012968825E-13 -1.657608898815772E-15 tp -1.047781229979651E-12 2.684104411862352E-12 8.805642691499182E-9 -4.21728938715643E-11 2.47733415941094E-9 1.871838558306039E-13 node 7.146666052251539E-15 -1.79372068575973E-14 -4.21728938715643E-11 6.513177128467477E-9 -6.514615171382255E-9 -2.822096828402321E-11 peri -2.627240844275084E-13 6.801609012968825E-13 2.47733415941094E-9 -6.514615171382255E-9 7.201378280402056E-9 2.825643168355455E-11 i 7.799401663385827E-16 -1.657608898815772E-15 1.871838558306039E-13 -2.822096828402321E-11 2.825643168355455E-11 2.293959683907497E-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 16.2   n/a MPO279726   20276 (1998 FO42)          Discovered 1998-Mar-20 by LINEAR at Socorro Reference: 20010109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 FO42 = 1996 TM22  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-16 15:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin