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18982 (2000 RH5)
Classification: Main-belt Asteroid          SPK-ID: 2018982
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2125430669129556 2.8484e-08  
a 2.377984870398961 8.2523e-09 au
q 1.872560672971759 6.8476e-08 au
i 1.580966935231704 3.7735e-06 deg
node 220.2021399179374 0.00012111 deg
peri 85.05149269227194 0.00012145 deg
M 70.51317813414762 8.6527e-06 deg
tp 2458338.150738360355
(2018-Aug-07.65073836)
3.2089e-05 TDB
period 1339.405437244567
3.67
6.9722e-06
1.909e-08
d
yr
n .2687759732710912 1.3991e-09 deg/d
Q 2.883409067826163 1.0006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1561  
   data-arc span      15007 days (41.09 yr)  
   first obs. used      1978-10-27  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5379  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 23:56:52  

Additional Information
 Earth MOID = .85752 au 
 Jupiter MOID = 2.36494 au 
 T_jup = 3.509 
[ 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 MPO350953  
diameter diameter 2.885 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.098 h n/a LCDB (Rev. 2019-January); 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 0.336   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18982 (2000 RH5)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 RH5 = 1978 UY6 = 1981 JS4 = 1999 GL23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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