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102180 (1999 RV238)
Classification: Main-belt Asteroid          SPK-ID: 2102180
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1496183551209357 3.478e-08  
a 2.327093920828578 1.0388e-08 au
q 1.978917956182277 8.0383e-08 au
i 7.489552618363731 4.0042e-06 deg
node 65.94601854095153 3.0213e-05 deg
peri 212.1701611349827 3.3581e-05 deg
M 64.44755703720931 1.3544e-05 deg
tp 2458968.374285733786
(2020-Apr-28.87428573)
4.9039e-05 TDB
period 1296.639639693247
3.55
8.6825e-06
2.377e-08
d
yr
n .2776407484234919 1.8591e-09 deg/d
Q 2.675269885474879 1.1943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54308  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:46  

Additional Information
 Earth MOID = .965299 au 
 Jupiter MOID = 2.43828 au 
 T_jup = 3.547 
[ 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 15.88   n/a E2021B55  

102180 (1999 RV238)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 RV238 = 2003 WC133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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