+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   227428 (2005 VC81) Classification: Main-belt Asteroid          SPK-ID: 2227428 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03854646670790488 5.7036e-08   a 2.550912696983607 2.185e-08 au q 2.452584025634557 1.3954e-07 au i 5.027291539834898 6.4371e-06 deg node 61.24467453005247 6.3273e-05 deg peri 126.2397092860854 0.00010179 deg M 134.6977980713523 8.201e-05 deg tp 2458643.699244855808 (2019-Jun-09.19924486) 0.00033783 TDB period 1488.133248813225 4.07 1.912e-05 5.235e-08 d yr n .2419138207462923 3.1082e-09 deg/d Q 2.649241368332658 2.2692e-08 au   Orbit Determination Parameters    # obs. used (total)      185      data-arc span      6293 days (17.23 yr)      first obs. used      2003-05-02      last obs. used      2020-07-24      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57858      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 00:39:44   Additional Information  Earth MOID = 1.45464 au   Jupiter MOID = 2.31005 au   T_jup = 3.434  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.01   n/a E2021B55   227428 (2005 VC81)          Discovered 2005-Nov-05 by Spacewatch at Kitt Peak Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-20 12:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin