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74714 (1999 RP157)
Classification: Main-belt Asteroid          SPK-ID: 2074714
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428817209482139 3.4466e-08  
a 2.312750139782521 7.7474e-09 au
q 1.982300419687172 8.0413e-08 au
i 7.60601107189333 3.8748e-06 deg
node 134.1757153812653 2.4901e-05 deg
peri 195.4678133889414 2.828e-05 deg
M 330.8371127030508 1.1632e-05 deg
tp 2459104.568553802721
(2020-Sep-12.06855380)
4.1454e-05 TDB
period 1284.66975809007
3.52
6.4552e-06
1.767e-08
d
yr
n .2802276598580598 1.4081e-09 deg/d
Q 2.643199859877869 8.8544e-09 au
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      9780 days (26.78 yr)  
   first obs. used      1994-01-10  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:39  

Additional Information
 Earth MOID = .97195 au 
 Jupiter MOID = 2.68333 au 
 T_jup = 3.558 
[ 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 MPO432299  

74714 (1999 RP157)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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