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42488 (1991 RN17)
Classification: Main-belt Asteroid          SPK-ID: 2042488
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2298603428889606 8.6624e-08  
a 2.343294579237006 1.8463e-08 au
q 1.804664083763745 2.0862e-07 au
i 9.614009432264821 8.2142e-06 deg
node 177.2405862950557 3.3759e-05 deg
peri 198.767797573208 3.6463e-05 deg
M 265.9891515226852 2.0536e-05 deg
tp 2457742.648176903313
(2016-Dec-20.14817690)
7.8004e-05 JED
period 1310.20351034184
3.59
1.5484e-05
4.239e-08
d
yr
n .274766474947143 3.2473e-09 deg/d
Q 2.881925074710267 2.2706e-08 au
  Orbit Determination Parameters
   # obs. used (total)      654  
   data-arc span      8653 days (23.69 yr)  
   first obs. used      1991-09-11  
   last obs. used      2015-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55411  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:29:39  

Additional Information
 Earth MOID = .806199 au 
 Jupiter MOID = 2.57788 au 
 T_jup = 3.508 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO337599  

42488 (1991 RN17)          Discovered 1991-Sep-11 by Holt, H. E. at Palomar
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RN17 = 2000 CP45 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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