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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09967068866167657 6.1902e-08  
a 2.30010232416184 1.0787e-08 au
q 2.070849541520306 1.4247e-07 au
i 3.560807839111144 6.7348e-06 deg
node 179.8281130922715 6.5104e-05 deg
peri 215.3110512747126 6.9445e-05 deg
M 305.9911040901298 2.6703e-05 deg
tp 2459191.653370689165
(2020-Dec-08.15337069)
9.5222e-05 TDB
period 1274.145902981202
3.49
8.9629e-06
2.454e-08
d
yr
n .2825422105566439 1.9875e-09 deg/d
Q 2.529355106803373 1.1862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      9223 days (25.25 yr)  
   first obs. used      1994-03-09  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:20:17  

Additional Information
 Earth MOID = 1.07821 au 
 Jupiter MOID = 2.82604 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 16.1   n/a MPO432299  

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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