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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2296569875276051 8.9619e-08  
a 2.34352883573386 1.9387e-08 AU
q 1.805321063135146 2.1445e-07 AU
i 9.61320257790266 8.7975e-06 deg
node 177.2407797660973 3.9709e-05 deg
peri 198.8099319224512 4.2824e-05 deg
M 156.0181526396822 1.9712e-05 deg
tp 2456432.593931071491
(2013-May-20.09393107)
6.707e-05 JED
period 1310.39998458656
3.59
1.626e-05
4.452e-08
d
yr
n .2747252779567014 3.409e-09 deg/d
Q 2.881736608332575 2.3839e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      8532 days (23.36 yr)  
   first obs. used      1991-09-11  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54499  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:50:20  

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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