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74657 (1999 RG88)
Classification: Main-belt Asteroid          SPK-ID: 2074657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09963286067837916 6.1094e-08  
a 2.299828107919573 6.5436e-09 au
q 2.070689654459002 1.4038e-07 au
i 3.561037004717463 6.2465e-06 deg
node 179.8274643928443 5.2516e-05 deg
peri 215.4053010630248 5.6211e-05 deg
M 2.424000807957625 1.8596e-05 deg
tp 2459191.922282231275
(2020-Dec-08.42228223)
6.5808e-05 TDB
period 1273.918055886619
3.49
5.4369e-06
1.489e-08
d
yr
n .2825927447503268 1.2061e-09 deg/d
Q 2.528966561380144 7.1956e-09 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      9806 days (26.85 yr)  
   first obs. used      1994-03-09  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51377  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:58:37  

Additional Information
 Earth MOID = 1.07693 au 
 Jupiter MOID = 2.8257 au 
 T_jup = 3.583 
[ 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 16.18   n/a E2021B10  

74657 (1999 RG88)          Discovered 1999-Sep-07 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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