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JPL Small-Body Database Browser
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201280 (2002 RJ264)
Classification: Main-belt Asteroid          SPK-ID: 2201280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1030380252024105 5.5779e-08  
a 3.037659711301056 4.1121e-08 au
q 2.724665253411671 1.7116e-07 au
i 9.093653748067116 7.6117e-06 deg
node 205.7758212794273 3.9482e-05 deg
peri 263.7291963504506 5.3884e-05 deg
M 20.29600066977256 3.807e-05 deg
tp 2458891.477766162064
(2020-Feb-11.97776616)
0.0002038 TDB
period 1933.780197401655
5.29
3.9267e-05
1.075e-07
d
yr
n .1861638672708087 3.7802e-09 deg/d
Q 3.350654169190442 4.5358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5878 days (16.09 yr)  
   first obs. used      2002-09-11  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59108  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:43:38  

Additional Information
 Earth MOID = 1.76038 au 
 Jupiter MOID = 1.85174 au 
 T_jup = 3.214 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456724.5 (2014-Mar-08.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102584376812877 5.6159e-08  
q 2.724952670656817 1.723e-07 au
tp 2456966.173892134803
(2014-Nov-04.67389213)
0.00019479 TDB
node 205.906128838641 3.9543e-05 deg
peri 265.1924166778827 5.3889e-05 deg
i 9.086321086973907 7.6068e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5878 days (16.09 yr)  
   first obs. used      2002-09-11  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59108  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:43:38  

Additional Information
 Jupiter MOID = 1.85174 au 
 T_jup = 3.214 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.153812119258854E-15 -9.455552261624286E-15 9.17720977075606E-13 -4.883427570491995E-15 1.190029853955459E-13 -5.387877454005578E-15
q -9.455552261624286E-15 2.968662295210192E-14 -2.06661855551214E-12 1.931115144002256E-14 -2.638970099823188E-13 1.863116817376596E-14
tp 9.17720977075606E-13 -2.06661855551214E-12 3.794204290772859E-8 7.938446784469935E-12 7.16866808272599E-9 -1.780125004847939E-11
node -4.883427570491995E-15 1.931115144002256E-14 7.938446784469935E-12 1.563626240229791E-9 -1.542187464602276E-9 -3.436959416989254E-11
peri 1.190029853955459E-13 -2.638970099823188E-13 7.16866808272599E-9 -1.542187464602276E-9 2.904062538448176E-9 3.053725599314558E-11
i -5.387877454005578E-15 1.863116817376596E-14 -1.780125004847939E-11 -3.436959416989254E-11 3.053725599314558E-11 5.786274794219968E-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 16.1   n/a MPO454425  

201280 (2002 RJ264)          Discovered 2002-Sep-13 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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