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146458 (2001 RH38)
Classification: Main-belt Asteroid          SPK-ID: 2146458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2586044428950491 3.7628e-08  
a 2.720501647682496 1.4734e-08 au
q 2.016967834688501 1.0783e-07 au
i 12.33722087805803 5.2078e-06 deg
node 350.3334662614137 1.7563e-05 deg
peri 106.6149564074347 2.0341e-05 deg
M 346.2977993285685 9.9862e-06 deg
tp 2459062.882063950859
(2020-Aug-01.38206395)
4.5695e-05 TDB
period 1638.973443815652
4.49
1.3315e-05
3.645e-08
d
yr
n .2196496845988506 1.7845e-09 deg/d
Q 3.424035460676491 1.8545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      9752 days (26.70 yr)  
   first obs. used      1994-02-08  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:27:36  

Additional Information
 Earth MOID = 1.07291 au 
 Jupiter MOID = 1.89816 au 
 T_jup = 3.277 
[ 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 MPO366824  

146458 (2001 RH38)          Discovered 2001-Sep-08 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 RH38 = 1994 CR17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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