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74689 (1999 RB130)
Classification: Main-belt Asteroid          SPK-ID: 2074689
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505845508258107 3.8882e-08  
a 2.232289766535812 7.4213e-09 au
q 1.896141414728963 8.6142e-08 au
i 2.170689791258734 4.9671e-06 deg
node 340.0670019037078 7.4882e-05 deg
peri 318.9379998746455 7.6495e-05 deg
M 105.3796669119625 1.3486e-05 deg
tp 2458643.902248775298
(2019-Jun-09.40224878)
4.6058e-05 TDB
period 1218.21594433527
3.34
6.075e-06
1.663e-08
d
yr
n .2955141095254972 1.4737e-09 deg/d
Q 2.568438118342661 8.5389e-09 au
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      8439 days (23.10 yr)  
   first obs. used      1996-10-18  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:27:04  

Additional Information
 Earth MOID = .881123 au 
 Jupiter MOID = 2.62608 au 
 T_jup = 3.625 
[ 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 16.2   n/a MPO493391  

74689 (1999 RB130)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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