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78515 (2002 RV90)
Classification: Main-belt Asteroid          SPK-ID: 2078515
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878508032778409 5.529e-08  
a 2.43631640748474 1.1208e-08 au
q 1.978652413299748 1.3976e-07 au
i .728975603256653 5.3881e-06 deg
node 323.3334650897742 0.00034646 deg
peri 351.4353496417679 0.00034668 deg
M 266.4915652357906 1.1584e-05 deg
tp 2459361.283982756505
(2021-May-26.78398276)
4.5202e-05 TDB
period 1388.989497256075
3.80
9.5849e-06
2.624e-08
d
yr
n .2591812254240753 1.7885e-09 deg/d
Q 2.893980401669732 1.3314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      7944 days (21.75 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56808  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:35  

Additional Information
 Earth MOID = .964859 au 
 Jupiter MOID = 2.38942 au 
 T_jup = 3.480 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456959.5 (2014-Oct-29.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1884493425071002 5.5407e-08  
q 1.977037068515263 1.4006e-07 au
tp 2456579.844478147313
(2013-Oct-14.34447815)
4.4333e-05 TDB
node 323.476288595801 0.00034443 deg
peri 350.7739325822411 0.00034465 deg
i .732599929605381 5.391e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      7944 days (21.75 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56808  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:35  

Additional Information
 Jupiter MOID = 2.38942 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.069905244396803E-15 -7.74877794447395E-15 7.795295207072216E-13 -7.321636657435591E-15 2.376661150704871E-13 -2.813915285886848E-16
q -7.74877794447395E-15 1.961776734887171E-14 -1.973284632613656E-12 1.506817809352482E-14 -5.958349265010366E-13 7.737330073683772E-16
tp 7.795295207072216E-13 -1.973284632613656E-12 1.965395933585711E-9 -1.56385806786573E-11 5.622324409630065E-10 -2.006721723817692E-13
node -7.321636657435591E-15 1.506817809352482E-14 -1.56385806786573E-11 1.186308341025752E-7 -1.186241305695938E-7 4.351037195746995E-10
peri 2.376661150704871E-13 -5.958349265010366E-13 5.622324409630065E-10 -1.186241305695938E-7 1.187812121734309E-7 -4.351199463088891E-10
i -2.813915285886848E-16 7.737330073683772E-16 -2.006721723817692E-13 4.351037195746995E-10 -4.351199463088891E-10 2.906260187406192E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO468739  

78515 (2002 RV90)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 RV90 = 2000 AZ249 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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