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24702 (1991 OR)
Classification: Inner Main-belt Asteroid          SPK-ID: 2024702
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 .09030550988198158 7.8565e-08  
a 1.944647567431115 1.6086e-08 AU
q 1.769035177313493 1.5318e-07 AU
i 24.2563984680929 8.9348e-06 deg
node 135.2135361979812 1.6941e-05 deg
peri 232.9542860267252 4.8827e-05 deg
M 174.6577061454226 4.9594e-05 deg
tp 2456519.942858952084
(2013-Aug-15.44285895)
0.00013529 JED
period 990.5120970339954
2.71
1.229e-05
3.365e-08
d
yr
n .3634483627993939 4.5095e-09 deg/d
Q 2.120259957548737 1.7538e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      8824 days (24.16 yr)  
   first obs. used      1990-01-26  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48973  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:52:40  

Additional Information
 Earth MOID = .803008 AU 
 T_jup = 3.786 
[ 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 14.7 mag n/a MPO233659  
rotation period rot_per 59.5 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2012) Minor Planet Bul. 39, 245-252.]

24702 (1991 OR)          Discovered 1991-Jul-18 by Holt, H. E. at Palomar (675)
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 OR = 1999 NN1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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