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213638 (2002 RU22)
Classification: Main-belt Asteroid          SPK-ID: 2213638
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601611115192219 5.7915e-08  
a 2.528201928404627 1.2539e-08 au
q 2.123282297406301 1.4677e-07 au
i 3.106455061227893 6.4377e-06 deg
node 145.7207692629571 6.7046e-05 deg
peri 208.2892973130024 6.8601e-05 deg
M 190.8499822482899 1.4421e-05 deg
tp 2459890.399152090746
(2022-Nov-06.89915209)
6.1355e-05 TDB
period 1468.304278378698
4.02
1.0923e-05
2.991e-08
d
yr
n .2451807880022744 1.824e-09 deg/d
Q 2.933121559402952 1.4547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7732 days (21.17 yr)  
   first obs. used      2000-01-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:29  

Additional Information
 Earth MOID = 1.11702 au 
 Jupiter MOID = 2.50038 au 
 T_jup = 3.432 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.90   n/a E2021B55  

213638 (2002 RU22)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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