+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344118 (1999 VN122) Classification: Main-belt Asteroid          SPK-ID: 2344118 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .12900443830999 4.7823e-08   a 2.269619945542557 1.6139e-08 au q 1.97682889929069 1.1026e-07 au i 8.200349381681487 4.6091e-06 deg node 67.21290941418515 4.1319e-05 deg peri 236.5832417496554 4.8432e-05 deg M 100.1871133635091 2.2939e-05 deg tp 2458652.933829448270 (2019-Jun-18.43382945) 8.1168e-05 TDB period 1248.90135265836 3.42 1.3321e-05 3.647e-08 d yr n .2882533510222555 3.0746e-09 deg/d Q 2.562410991794425 1.8221e-08 au   Orbit Determination Parameters    # obs. used (total)      250      data-arc span      10226 days (28.00 yr)      first obs. used      1992-10-23      last obs. used      2020-10-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .596      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 17:03:37   Additional Information  Earth MOID = .974897 au   Jupiter MOID = 2.63724 au   T_jup = 3.589  [ hide covariance matrix ] Orbital Elements at Epoch 2457629.5 (2016-Aug-29.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1293466451905083 4.7818e-08   q 1.976154616967049 1.1042e-07 au tp 2457404.948434535284 (2016-Jan-17.44843454) 8.7837e-05 TDB node 67.2161457070337 4.1325e-05 deg peri 236.8407023837124 4.8411e-05 deg i 8.200227536947001 4.6091e-06 deg   Orbit Determination Parameters    # obs. used (total)      250      data-arc span      10226 days (28.00 yr)      first obs. used      1992-10-23      last obs. used      2020-10-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .596      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 17:03:37   Additional Information  Jupiter MOID = 2.63724 au   T_jup = 3.589  Orbit Covariance (6×6)   e q tp node peri i e 2.286536419838406E-15 -5.236679406720412E-15 1.260491561187859E-12 3.419380437823364E-14 3.40223061713224E-13 -8.5333184109912E-15 q -5.236679406720412E-15 1.219214299454783E-14 -3.56927940055167E-12 -7.957474526260304E-14 -9.717754211032829E-13 2.026499548916403E-14 tp 1.260491561187859E-12 -3.56927940055167E-12 7.715295377799273E-9 6.442783798970981E-11 2.250164074185858E-9 -9.211881824720409E-12 node 3.419380437823364E-14 -7.957474526260304E-14 6.442783798970981E-11 1.707734060700541E-9 -1.670899844234436E-9 -2.107676466349778E-11 peri 3.40223061713224E-13 -9.717754211032829E-13 2.250164074185858E-9 -1.670899844234436E-9 2.343582045814015E-9 1.822371506540809E-11 i -8.5333184109912E-15 2.026499548916403E-14 -9.211881824720409E-12 -2.107676466349778E-11 1.822371506540809E-11 2.124371369985566E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.9   n/a MPO437458   344118 (1999 VN122)          Discovered 1999-Nov-04 by Spacewatch at Kitt Peak Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 Alternate Designations  1999 VN122 = 2006 WC55  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 08:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin