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392816 (2012 TR282)
Classification: Inner Main-belt Asteroid          SPK-ID: 2392816
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04424952042174982 6.6049e-08  
a 1.94895921426427 2.3324e-08 au
q 1.862718703711526 1.2958e-07 au
i 20.04506262992136 1.2798e-05 deg
node 32.35404972915163 1.7758e-05 deg
peri 292.2979596810185 0.00014628 deg
M 348.7326628756749 0.00015149 deg
tp 2459031.604365105824
(2020-Jul-01.10436511)
0.00041841 TDB
period 993.8081477940573
2.72
1.784e-05
4.884e-08
d
yr
n .3622429548390071 6.5025e-09 deg/d
Q 2.035199724817014 2.4356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      6314 days (17.29 yr)  
   first obs. used      2001-10-15  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55133  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:49:56  

Additional Information
 Earth MOID = .904366 au 
 Jupiter MOID = 3.05464 au 
 T_jup = 3.819 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456632.5 (2013-Dec-06.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04440641382763933 6.6418e-08  
q 1.862103089329211 1.3031e-07 au
tp 2457045.108164511428
(2015-Jan-22.60816451)
0.00040518 TDB
node 32.39047348304135 1.7758e-05 deg
peri 292.6405276311929 0.00014545 deg
i 20.04680595232107 1.2798e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      6314 days (17.29 yr)  
   first obs. used      2001-10-15  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55133  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:49:56  

Additional Information
 Jupiter MOID = 3.05464 au 
 T_jup = 3.819 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.411400808972751E-15 -8.530149532450339E-15 1.269495165660203E-11 -3.634872506399839E-16 4.594206085826338E-12 7.721254433558457E-14
q -8.530149532450339E-15 1.698104778399057E-14 -2.237053798095636E-11 -1.848957159529755E-15 -8.175243699712952E-12 -1.512402337924778E-13
tp 1.269495165660203E-11 -2.237053798095636E-11 1.641704973137733E-7 -1.049151143211985E-10 5.848960089791223E-8 3.653815653300233E-10
node -3.634872506399839E-16 -1.848957159529755E-15 -1.049151143211985E-10 3.153507482015866E-10 -3.321967430315962E-10 -1.376287670358493E-11
peri 4.594206085826338E-12 -8.175243699712952E-12 5.848960089791223E-8 -3.321967430315962E-10 2.115549247184394E-8 1.452106285681783E-10
i 7.721254433558457E-14 -1.512402337924778E-13 3.653815653300233E-10 -1.376287670358493E-11 1.452106285681783E-10 1.63797846380123E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO472033  

392816 (2012 TR282)          Discovered 2012-Oct-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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