+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78189 (2002 NO40) Classification: Main-belt Asteroid          SPK-ID: 2078189 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05659817512860052 4.2064e-08   a 2.927303660114501 1.9285e-08 au q 2.761623614904747 1.231e-07 au i 3.019194830420537 4.3492e-06 deg node 82.33847459691698 8.8474e-05 deg peri 237.0984537951074 9.682e-05 deg M 193.5642337009901 4.0845e-05 deg tp 2459846.254368432595 (2022-Sep-23.75436843) 0.0002085 TDB period 1829.36384051452 5.01 1.8078e-05 4.949e-08 d yr n .1967897211189807 1.9447e-09 deg/d Q 3.092983705324254 2.0377e-08 au   Orbit Determination Parameters    # obs. used (total)      812      data-arc span      9245 days (25.31 yr)      first obs. used      1994-12-28      last obs. used      2020-04-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55058      source      ORB      producer      Otto Matic      solution date      2020-May-20 14:31:34   Additional Information  Earth MOID = 1.74983 au   Jupiter MOID = 2.07925 au   T_jup = 3.273  [ hide covariance matrix ] Orbital Elements at Epoch 2457163.5 (2015-May-21.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05507824479420347 4.2073e-08   q 2.769460067784132 1.2267e-07 au tp 2458007.301142332481 (2017-Sep-10.80114233) 0.00021253 TDB node 82.42136729810198 8.8433e-05 deg peri 234.9781530441549 9.7204e-05 deg i 3.019210935208697 4.349e-06 deg   Orbit Determination Parameters    # obs. used (total)      812      data-arc span      9245 days (25.31 yr)      first obs. used      1994-12-28      last obs. used      2020-04-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55058      source      ORB      producer      Otto Matic      solution date      2020-May-20 14:31:34   Additional Information  Jupiter MOID = 2.07925 au   T_jup = 3.273  Orbit Covariance (6×6)   e q tp node peri i e 1.770162124448632E-15 -5.103663031610634E-15 -1.304487788852786E-13 -6.627846132800069E-16 -2.676061043443394E-14 5.202843049820139E-16 q -5.103663031610634E-15 1.504709094787823E-14 6.274753829224994E-13 3.285566037645407E-15 9.172611934597252E-14 -1.503069342014116E-15 tp -1.304487788852786E-13 6.274753829224994E-13 4.516880416632892E-8 2.99309934922674E-11 8.599094187572683E-9 2.964159637850409E-12 node -6.627846132800069E-16 3.285566037645407E-15 2.99309934922674E-11 7.820437827924629E-9 -7.803602657628486E-9 4.248528326368052E-11 peri -2.676061043443394E-14 9.172611934597252E-14 8.599094187572683E-9 -7.803602657628486E-9 9.448536668269703E-9 -4.186405729150463E-11 i 5.202843049820139E-16 -1.503069342014116E-15 2.964159637850409E-12 4.248528326368052E-11 -4.186405729150463E-11 1.891402856248503E-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 15.2   n/a MPO468736   78189 (2002 NO40)          Discovered 2002-Jul-14 by NEAT at Palomar Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2002 NO40 = 2001 KX77  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 23:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin