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129576 (1997 RG2)
Classification: Main-belt Asteroid          SPK-ID: 2129576
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09319569346739438 3.2024e-08  
a 2.30515358512053 8.0531e-09 au
q 2.090323198206372 7.3848e-08 au
i 3.65729537281443 3.6673e-06 deg
node 42.55958727626621 5.7307e-05 deg
peri 6.489970087597679 6.0936e-05 deg
M 153.2685953421234 2.0955e-05 deg
tp 2458456.249417040783
(2018-Dec-03.74941704)
7.3591e-05 TDB
period 1278.345439442216
3.50
6.6989e-06
1.834e-08
d
yr
n .2816140214471918 1.4757e-09 deg/d
Q 2.519983972034688 8.8036e-09 au
  Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      8273 days (22.65 yr)  
   first obs. used      1997-09-04  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55616  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:45:31  

Additional Information
 Earth MOID = 1.10034 au 
 Jupiter MOID = 2.76432 au 
 T_jup = 3.580 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO459609  

129576 (1997 RG2)          Discovered 1997-Sep-04 by ODAS at Caussols
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1997 RG2 = 1997 WH24 = 2002 AJ130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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