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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09035992723448902 7.0872e-08  
a 1.944759470894229 1.3129e-08 au
q 1.769031146615643 1.4194e-07 au
i 24.25614660010538 6.8985e-06 deg
node 135.213222434462 1.6563e-05 deg
peri 232.8580930956317 4.67e-05 deg
M 320.1401189674527 4.9629e-05 deg
tp 2457510.180839778433
(2016-May-01.68083978)
0.00013697 JED
period 990.5975958130551
2.71
1.0031e-05
2.746e-08
d
yr
n .3634169934609239 3.6802e-09 deg/d
Q 2.120487795172815 1.4316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      9337 days (25.56 yr)  
   first obs. used      1990-01-26  
   last obs. used      2015-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52192  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 14:14:24  

Additional Information
 Earth MOID = .800251 au 
 Jupiter MOID = 3.23014 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 14.8 mag n/a MPO337467  
rotation period rot_per 59.5 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 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
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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