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215131 (1999 RH237)
Classification: Main-belt Asteroid          SPK-ID: 2215131
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2489723676118805 4.9081e-08  
a 2.345584021500385 8.6865e-09 au
q 1.761598414234838 1.1699e-07 au
i 5.668387919626547 4.0257e-06 deg
node 82.25349337570967 5.3204e-05 deg
peri 274.5388729208988 5.3829e-05 deg
M 24.29459565363201 7.7118e-06 deg
tp 2459307.951319673439
(2021-Apr-03.45131967)
2.7999e-05 TDB
period 1312.124118962085
3.59
7.2888e-06
1.996e-08
d
yr
n .2743642882540463 1.5241e-09 deg/d
Q 2.929569628765932 1.0849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      10097 days (27.64 yr)  
   first obs. used      1992-11-21  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49415  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:49:29  

Additional Information
 Earth MOID = .76794 au 
 Jupiter MOID = 2.53771 au 
 T_jup = 3.513 
[ 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 16.91   n/a E2021B55  

215131 (1999 RH237)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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