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379954 (2012 PM20)
Classification: Main-belt Asteroid          SPK-ID: 2379954
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04205053407630348 7.9964e-08  
a 3.193251556701699 7.1363e-08 au
q 3.058973623302406 2.564e-07 au
i 9.420587665291414 8.1944e-06 deg
node 293.2149362269573 5.6745e-05 deg
peri 12.6927362892451 0.00012188 deg
M 79.67079503230789 0.00011103 deg
tp 2458139.241081966502
(2018-Jan-20.74108197)
0.00063808 TDB
period 2084.241916058726
5.71
6.9868e-05
1.913e-07
d
yr
n .1727246713667266 5.7901e-09 deg/d
Q 3.327529490100994 7.4364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      4472 days (12.24 yr)  
   first obs. used      2006-06-21  
   last obs. used      2018-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4069  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 13:03:09  

Additional Information
 Earth MOID = 2.04354 au 
 Jupiter MOID = 1.85705 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457133.5 (2015-Apr-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0425726319966571 7.7384e-08  
q 3.060918366629647 2.484e-07 au
tp 2458113.849910400037
(2017-Dec-26.34991040)
0.00064492 TDB
node 293.4400601995955 5.6466e-05 deg
peri 8.00919839740649 0.00012272 deg
i 9.442432395522202 8.2158e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      4472 days (12.24 yr)  
   first obs. used      2006-06-21  
   last obs. used      2018-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4069  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 13:03:09  

Additional Information
 Jupiter MOID = 1.85705 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.98822423549809E-15 -1.846063584787437E-14 2.25061518648103E-11 2.553849593078592E-14 3.925576072047792E-12 8.64334515876226E-15
q -1.846063584787437E-14 6.170240200369958E-14 -5.699337066900882E-11 -6.326308312895897E-14 -1.040409539294797E-11 -1.822913678791552E-14
tp 2.25061518648103E-11 -5.699337066900882E-11 4.159255576943565E-7 3.51801400209696E-10 7.032944276744231E-8 1.351267209189901E-10
node 2.553849593078592E-14 -6.326308312895897E-14 3.51801400209696E-10 3.18836823812478E-9 -3.085334114103804E-9 2.167209196948228E-10
peri 3.925576072047792E-12 -1.040409539294797E-11 7.032944276744231E-8 -3.085334114103804E-9 1.505976240763701E-8 -1.912236579046364E-10
i 8.64334515876226E-15 -1.822913678791552E-14 1.351267209189901E-10 2.167209196948228E-10 -1.912236579046364E-10 6.749951059964703E-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 15.5   n/a MPO413415  

379954 (2012 PM20)          Discovered 2006-Jun-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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