+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2010 VP21) Classification: Aten [NEO]          SPK-ID: 3550608 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5337714923814062 0.00049881   a .7181390308417728 0.00010214 au q .334816888612023 0.00040583 au i 8.696371453008307 0.015076 deg node 39.21174806484907 0.0035859 deg peri 195.5588163729064 0.0052707 deg M 16.44076934597432 1.6417 deg tp 2459190.348485027642 (2020-Dec-06.84848503) 1.0115 TDB period 222.2855459585711 0.61 0.047422 0.0001298 d yr n 1.619538501469168 0.00034551 deg/d Q 1.101461173071522 0.00015665 au   Orbit Determination Parameters    # obs. used (total)      103      data-arc span      23 days      first obs. used      2010-11-05      last obs. used      2010-11-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .37565      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:55:54   Additional Information  Earth MOID = .0232387 au   Jupiter MOID = 3.89853 au   T_jup = 7.867  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 23.4   n/a MPO190740   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-04 20:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin