+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   146314 (2001 KO54) Classification: Main-belt Asteroid          SPK-ID: 2146314 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .209830925497123 4.3001e-08   a 2.347986850360532 8.5609e-09 au q 1.855306596494307 9.9672e-08 au i 5.19853803948059 3.4582e-06 deg node 110.0663037991564 5.7352e-05 deg peri 133.0905457404945 5.8116e-05 deg M 92.82231091265595 9.9108e-06 deg tp 2458661.662246966109 (2019-Jun-27.16224697) 3.6121e-05 TDB period 1314.140855714991 3.60 7.1872e-06 1.968e-08 d yr n .2739432370848351 1.4982e-09 deg/d Q 2.840667104226757 1.0357e-08 au   Orbit Determination Parameters    # obs. used (total)      535      data-arc span      7175 days (19.64 yr)      first obs. used      2001-03-26      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56872      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 23:06:50   Additional Information  Earth MOID = .846781 au   Jupiter MOID = 2.19068 au   T_jup = 3.524  [ hide covariance matrix ] Orbital Elements at Epoch 2457752.5 (2016-Dec-30.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2093460011904397 4.3043e-08   q 1.857192305623289 9.9754e-08 au tp 2457346.964915350743 (2015-Nov-20.46491535) 3.7005e-05 TDB node 110.0804624768409 5.7375e-05 deg peri 133.1376883982439 5.8145e-05 deg i 5.196879918698873 3.4569e-06 deg   Orbit Determination Parameters    # obs. used (total)      535      data-arc span      7175 days (19.64 yr)      first obs. used      2001-03-26      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56872      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 23:06:50   Additional Information  Jupiter MOID = 2.19068 au   T_jup = 3.524  Orbit Covariance (6×6)   e q tp node peri i e 1.85273592187173E-15 -4.284350898960239E-15 -7.859718299851423E-13 -3.280659166424586E-14 -1.704677257668746E-13 -3.466739315870698E-15 q -4.284350898960239E-15 9.950950467959815E-15 1.796585691119834E-12 7.579542833250249E-14 3.921860982155485E-13 8.017912493611609E-15 tp -7.859718299851423E-13 1.796585691119834E-12 1.369396229628754E-9 1.902749543497068E-11 3.797578438900604E-10 2.252980051189942E-12 node -3.280659166424586E-14 7.579542833250249E-14 1.902749543497068E-11 3.291918947213391E-9 -3.273467161054334E-9 -9.708031349619725E-12 peri -1.704677257668746E-13 3.921860982155485E-13 3.797578438900604E-10 -3.273467161054334E-9 3.380845413262033E-9 1.030331378365554E-11 i -3.466739315870698E-15 8.017912493611609E-15 2.252980051189942E-12 -9.708031349619725E-12 1.030331378365554E-11 1.194997047914755E-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 16.6   n/a MPO432920   146314 (2001 KO54)          Discovered 2001-May-17 by NEAT at Haleakala Reference: 20070106/Numbers.arc Last Updated: 2007-01-09 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 20:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin