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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2127186159495938 2.7546e-08  
a 2.378006096582467 7.6999e-09 au
q 1.872159930997749 6.6724e-08 au
i 1.58083278912871 3.5715e-06 deg
node 220.1812417189543 0.00011617 deg
peri 85.16510603680337 0.00011647 deg
M 231.62971712385 8.6457e-06 deg
tp 2459678.117102789736
(2022-Apr-08.61710279)
3.2875e-05 TDB
period 1339.423370829467
3.67
6.5055e-06
1.781e-08
d
yr
n .2687723746204772 1.3054e-09 deg/d
Q 2.883852262167185 9.3378e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1751  
   data-arc span      15488 days (42.40 yr)  
   first obs. used      1978-10-27  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:50:22  

Additional Information
 Earth MOID = .855928 au 
 Jupiter MOID = 2.3666 au 
 T_jup = 3.509 
[ 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 14.70   n/a MPCxxxxx  
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. 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 0.336   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

Alternate Designations
 2000 RH5 = 1978 UY6 = 1981 JS4 = 1999 GL23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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