+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243813 (2000 SP277) Classification: Main-belt Asteroid          SPK-ID: 2243813 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1615291097421614 4.6071e-08   a 2.424826611702232 1.3059e-08 au q 2.033146527834869 1.0884e-07 au i 5.599277752359017 4.1305e-06 deg node 272.0067649729017 4.6721e-05 deg peri 70.59511090574277 4.8822e-05 deg M 157.3283452874156 1.4749e-05 deg tp 2458597.768435719671 (2019-Apr-24.26843572) 5.553e-05 TDB period 1379.175270320946 3.78 1.1142e-05 3.051e-08 d yr n .2610255619767782 2.1087e-09 deg/d Q 2.816506695569595 1.5169e-08 au   Orbit Determination Parameters    # obs. used (total)      467      data-arc span      7411 days (20.29 yr)      first obs. used      2000-09-30      last obs. used      2021-01-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52372      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 20:03:46   Additional Information  Earth MOID = 1.03131 au   Jupiter MOID = 2.58978 au   T_jup = 3.487  [ 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 16.35   n/a E2021B55   243813 (2000 SP277)          Discovered 2000-Sep-30 by LINEAR at Socorro Reference: 20100726/Numbers.arc Last Updated: 2010-07-28 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-08 01:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin