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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2255077989889268 1.7282e-07  
a 3.147409407424375 7.5105e-08 au
q 2.437644039439061 5.1641e-07 au
i 18.33303074184157 2.0483e-05 deg
node 24.54327710415955 1.7732e-05 deg
peri 40.13214835564406 0.00013367 deg
M 198.9122181774574 0.00010164 deg
tp 2459513.116644521690
(2021-Oct-25.61664452)
0.0005609 TDB
period 2039.521485184622
5.58
7.3002e-05
1.999e-07
d
yr
n .1765119919623754 6.318e-09 deg/d
Q 3.857174775409688 9.2041e-08 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 = 1.47621 au 
 Jupiter MOID = 1.72844 au 
 T_jup = 3.092 
[ 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 = 1.72844 au 
 T_jup = 3.092 
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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