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9048 (1991 RD24)
Classification: Main-belt Asteroid          SPK-ID: 2009048
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088320486248478 5.7179e-08  
a 2.417822442052052 1.5045e-08 AU
q 2.154685872472395 1.4182e-07 AU
i 5.609606254667115 6.276e-06 deg
node 121.1816875641782 6.3182e-05 deg
peri 138.7186831203796 7.0379e-05 deg
M 83.72373346660588 2.9551e-05 deg
tp 2456481.139559166342
(2013-Jul-07.63955917)
0.00011238 JED
period 1373.203916497273
3.76
1.2817e-05
3.509e-08
d
yr
n .2621606271836721 2.447e-09 deg/d
Q 2.680959011631709 1.6683e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      12488 days (34.19 yr)  
   first obs. used      1979-04-25  
   last obs. used      2013-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51517  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:16:45  

Additional Information
 Earth MOID = 1.14263 AU 
 T_jup = 3.501 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO266006  

9048 (1991 RD24)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar (675)
Reference: 19980808/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RD24 = 1979 HU4 = 1982 BW10 = 1987 OA1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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