+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78197 (2002 NF44) Classification: Main-belt Asteroid          SPK-ID: 2078197 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1172328181623579 3.6048e-08   a 2.561653191751188 1.4093e-08 au q 2.261343368927597 8.9189e-08 au i 2.13169837035057 4.9042e-06 deg node 203.5165062170979 0.00010075 deg peri 83.0532728668187 0.00010321 deg M 133.4165590041614 2.1364e-05 deg tp 2458445.508718854114 (2018-Nov-23.00871885) 8.9237e-05 TDB period 1497.541704746613 4.10 1.2358e-05 3.383e-08 d yr n .2403939729083623 1.9838e-09 deg/d Q 2.861963014574778 1.5746e-08 au   Orbit Determination Parameters    # obs. used (total)      836      data-arc span      7615 days (20.85 yr)      first obs. used      2000-01-06      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58142      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:12:31   Additional Information  Earth MOID = 1.24619 au   Jupiter MOID = 2.27079 au   T_jup = 3.424  [ hide covariance matrix ] Orbital Elements at Epoch 2457040.5 (2015-Jan-18.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1180089108925114 3.5724e-08   q 2.259270969256324 8.8417e-08 au tp 2456950.126059123609 (2014-Oct-19.62605912) 9.1219e-05 TDB node 203.5294247790617 0.00010077 deg peri 83.48683004436408 0.00010322 deg i 2.130890189879849 4.9051e-06 deg   Orbit Determination Parameters    # obs. used (total)      836      data-arc span      7615 days (20.85 yr)      first obs. used      2000-01-06      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58142      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:12:31   Additional Information  Jupiter MOID = 2.27079 au   T_jup = 3.424  Orbit Covariance (6×6)   e q tp node peri i e 1.276223664989018E-15 -3.13009469460554E-15 -1.112772144453192E-12 1.159532788206611E-14 -3.010345672946244E-13 -1.047737466730607E-16 q -3.13009469460554E-15 7.817595603326113E-15 2.568123909911059E-12 -2.937281511626659E-14 7.029003535523157E-13 2.860868724197027E-16 tp -1.112772144453192E-12 2.568123909911059E-12 8.320954183293871E-9 -2.521904745595545E-11 2.052670080034485E-9 2.193613735491488E-12 node 1.159532788206611E-14 -2.937281511626659E-14 -2.521904745595545E-11 1.015402061413677E-8 -1.015294511682437E-8 1.088233486950605E-10 peri -3.010345672946244E-13 7.029003535523157E-13 2.052670080034485E-9 -1.015294511682437E-8 1.06550016202038E-8 -1.082220341445082E-10 i -1.047737466730607E-16 2.860868724197027E-16 2.193613735491488E-12 1.088233486950605E-10 -1.082220341445082E-10 2.405966728525189E-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 15.5   n/a MPO302470   78197 (2002 NF44)          Discovered 2002-Jul-12 by NEAT at Palomar Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 02:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin