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134569 (1999 RH222)
Classification: Main-belt Asteroid          SPK-ID: 2134569
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951337557731206 4.6632e-08  
a 2.277487701630774 1.087e-08 au
q 1.833072972684469 1.0595e-07 au
i 6.883895034120816 4.2224e-06 deg
node 121.9622656422861 4.1748e-05 deg
peri 255.9475488497758 4.3073e-05 deg
M 342.5920316180224 1.4784e-05 deg
tp 2459061.205504962437
(2020-Jul-30.70550496)
5.1806e-05 TDB
period 1255.401050079041
3.44
8.9879e-06
2.461e-08
d
yr
n .286760951790931 2.053e-09 deg/d
Q 2.721902430577079 1.2991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      7659 days (20.97 yr)  
   first obs. used      1999-08-13  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51829  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:57:03  

Additional Information
 Earth MOID = .849035 au 
 Jupiter MOID = 2.76371 au 
 T_jup = 3.573 
[ 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 16.1   n/a MPO475173  

134569 (1999 RH222)          Discovered 1999-Sep-07 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1999 RH222 = 2002 LG12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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