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118400 (1999 RB63)
Classification: Main-belt Asteroid          SPK-ID: 2118400
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646723447261618 4.1301e-08  
a 3.100338848748162 3.1681e-08 au
q 2.589798781079193 1.3503e-07 au
i 15.16095115874882 8.0741e-06 deg
node 322.663784681308 1.7698e-05 deg
peri 80.17952178235574 3.1839e-05 deg
M 246.5000726420906 2.8601e-05 deg
tp 2459629.144692206142
(2022-Feb-18.64469221)
0.00016463 TDB
period 1993.940388001845
5.46
3.0563e-05
8.368e-08
d
yr
n .1805470224517398 2.7674e-09 deg/d
Q 3.610878916417131 3.6898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7589 days (20.78 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:51:32  

Additional Information
 Earth MOID = 1.65009 au 
 Jupiter MOID = 2.01328 au 
 T_jup = 3.148 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO436569  
diameter diameter 6.607 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.149 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 0.070   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118400 (1999 RB63)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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