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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09128885179342469 4.1658e-08  
a 3.04411225945875 2.2981e-08 au
q 2.766218746562473 1.2463e-07 au
i 11.5308989591249 4.8367e-06 deg
node 173.7528344099414 2.0688e-05 deg
peri 219.3201609566701 3.2773e-05 deg
M 115.6630105958654 2.493e-05 deg
tp 2458577.222549809666
(2019-Apr-03.72254981)
0.00013449 TDB
period 1939.945025748285
5.31
2.1968e-05
6.015e-08
d
yr
n .1855722689157849 2.1014e-09 deg/d
Q 3.322005772355027 2.5079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      6774 days (18.55 yr)  
   first obs. used      2002-08-28  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:37  

Additional Information
 Earth MOID = 1.77953 au 
 Jupiter MOID = 2.1425 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 14.98   n/a E2021B55  
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. 2020-October); 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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