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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2292799766663751 9.5178e-08  
a 2.344428561785719 1.9164e-08 AU
q 1.806898035843506 2.2693e-07 AU
i 9.609282623625951 9.1928e-06 deg
node 177.2490781027927 4.1419e-05 deg
peri 198.8708047194078 4.4804e-05 deg
M 101.0254136348684 1.9607e-05 deg
tp 2456432.555708939525
(2013-May-20.05570894)
6.8576e-05 JED
period 1311.154688863882
3.59
1.6076e-05
4.401e-08
d
yr
n .2745671453243558 3.3665e-09 deg/d
Q 2.881959087727932 2.3558e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      8196 days (22.44 yr)  
   first obs. used      1991-09-11  
   last obs. used      2014-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55285  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:42:42  

Additional Information
 Earth MOID = .808852 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 (675)
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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