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146457 (2001 RH37)
Classification: Main-belt Asteroid          SPK-ID: 2146457
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040897806475825 3.1928e-08  
a 2.604373692026015 1.8354e-08 au
q 2.333285005698692 8.4082e-08 au
i 17.18043519319417 5.5784e-06 deg
node 170.7366895454217 1.1851e-05 deg
peri 277.80847074 3.1661e-05 deg
M 64.48278937542757 2.7254e-05 deg
tp 2458725.524062494952
(2019-Aug-30.02406250)
0.00011675 TDB
period 1535.159047253313
4.20
1.6228e-05
4.443e-08
d
yr
n .2345033894983764 2.4789e-09 deg/d
Q 2.875462378353337 2.0264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      7766 days (21.26 yr)  
   first obs. used      1999-01-17  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:54:53  

Additional Information
 Earth MOID = 1.42021 au 
 Jupiter MOID = 2.34018 au 
 T_jup = 3.342 
[ 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 15.6   n/a MPO366824  
diameter diameter 3.920 km 0.385 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.073   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

146457 (2001 RH37)          Discovered 2001-Sep-08 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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