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215218 (2000 UH20)
Classification: Main-belt Asteroid          SPK-ID: 2215218
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817766043869216 1.0291e-07  
a 3.056418214144837 2.6372e-08 au
q 2.50083288959125 3.093e-07 au
i 1.130990055437733 5.3146e-06 deg
node 139.1035852271515 0.00040152 deg
peri 225.0751849086344 0.00040187 deg
M 262.288442557215 1.5855e-05 deg
tp 2459530.237881520120
(2021-Nov-11.73788152)
8.8956e-05 TDB
period 1951.720373088015
5.34
2.5261e-05
6.916e-08
d
yr
n .184452652625851 2.3873e-09 deg/d
Q 3.612003538698425 3.1166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      6750 days (18.48 yr)  
   first obs. used      2000-10-19  
   last obs. used      2019-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:20:45  

Additional Information
 Earth MOID = 1.49891 au 
 Jupiter MOID = 1.84649 au 
 T_jup = 3.209 
[ 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 15.5   n/a MPO433408  
diameter diameter 4.179 km 0.395 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.33 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.077   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215218 (2000 UH20)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2000 UH20 = 2002 CC178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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