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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2296569927687385 8.8176e-08  
a 2.343528837146647 1.8978e-08 AU
q 1.805321051940729 2.1166e-07 AU
i 9.613202833648137 8.6523e-06 deg
node 177.2407777561615 3.7175e-05 deg
peri 198.8099317009729 4.0053e-05 deg
M 156.0181532810653 1.9627e-05 deg
tp 2456432.593928223317
(2013-May-20.09392822)
6.6577e-05 JED
period 1310.399985771514
3.59
1.5917e-05
4.358e-08
d
yr
n .2747252777082759 3.3371e-09 deg/d
Q 2.881736622352564 2.3336e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      8598 days (23.54 yr)  
   first obs. used      1991-09-11  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54125  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:59:00  

Additional Information
 Earth MOID = .808582 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 14.8 mag n/a MPO235017  

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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