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160262 (2002 RO8)
Classification: Main-belt Asteroid          SPK-ID: 2160262
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09114211050670248 4.1827e-08  
a 3.044352388715398 2.4367e-08 au
q 2.766883686881755 1.2597e-07 au
i 11.52953794836045 4.8589e-06 deg
node 173.7577690366239 2.197e-05 deg
peri 219.3570593829742 3.4754e-05 deg
M 78.5240785451554 2.5905e-05 deg
tp 2458577.304387148974
(2019-Apr-03.80438715)
0.00014019 TDB
period 1940.174573825278
5.31
2.3294e-05
6.378e-08
d
yr
n .1855503132845508 2.2278e-09 deg/d
Q 3.321821090549041 2.6588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      6365 days (17.43 yr)  
   first obs. used      2002-08-28  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:17:08  

Additional Information
 Earth MOID = 1.78148 au 
 Jupiter MOID = 2.14262 au 
 T_jup = 3.202 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO412927  
diameter diameter 3.856 km 0.956 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.228 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.157   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160262 (2002 RO8)          Discovered 2002-Sep-03 by NEAT at Haleakala
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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