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487766 (2015 RU202)
Classification: Main-belt Asteroid          SPK-ID: 2487766
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .226115869495974 1.6293e-07  
a 3.14219027082859 8.5392e-08 au
q 2.431691185618393 4.7494e-07 au
i 18.30217071602715 2.0501e-05 deg
node 24.22637711142973 1.7589e-05 deg
peri 40.92604571932311 0.00013352 deg
M 268.9738421575329 9.9957e-05 deg
tp 2459514.911723076713
(2021-Oct-27.41172308)
0.00055272 TDB
period 2034.45058757846
5.57
8.2932e-05
2.271e-07
d
yr
n .1769519506632483 7.2132e-09 deg/d
Q 3.852689356038787 1.047e-07 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      4550 days (12.46 yr)  
   first obs. used      2004-10-07  
   last obs. used      2017-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61684  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:13:42  

Additional Information
 Earth MOID = 1.47169 au 
 Jupiter MOID = 1.73955 au 
 T_jup = 3.093 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457257.5 (2015-Aug-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .22715288159637 1.9638e-07  
q 2.42499033065303 6.1427e-07 au
tp 2457468.223539965463
(2016-Mar-20.72353997)
0.0005633 TDB
node 24.7596339109955 1.769e-05 deg
peri 38.70010890508203 0.00013174 deg
i 18.45241811998972 2.0524e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      4550 days (12.46 yr)  
   first obs. used      2004-10-07  
   last obs. used      2017-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61684  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:13:42  

Additional Information
 Jupiter MOID = 1.73955 au 
 T_jup = 3.093 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.856401708310558E-14 -1.202820699699715E-13 -1.01388327633928E-10 1.495932403680093E-13 -2.308643327844217E-11 7.717344581272397E-14
q -1.202820699699715E-13 3.773255720001649E-13 3.172978757149661E-10 -4.658946186279281E-13 7.218959914391628E-11 -2.456039660404972E-13
tp -1.01388327633928E-10 3.172978757149661E-10 3.173021741937427E-7 -4.190657895742015E-10 7.349117933340239E-8 -3.231258906678441E-10
node 1.495932403680093E-13 -4.658946186279281E-13 -4.190657895742015E-10 3.129455080922095E-10 -3.916864639754006E-10 -1.452272987143954E-10
peri -2.308643327844217E-11 7.218959914391628E-11 7.349117933340239E-8 -3.916864639754006E-10 1.735483008952183E-8 6.150495147158315E-11
i 7.717344581272397E-14 -2.456039660404972E-13 -3.231258906678441E-10 -1.452272987143954E-10 6.150495147158315E-11 4.21236821620431E-10

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 16.8   n/a MPO399130  

487766 (2015 RU202)          Discovered 2004-Oct-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 RU202 = 2004 TX195 = 2012 FG55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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