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146639 (2001 UH53)
Classification: Main-belt Asteroid          SPK-ID: 2146639
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 .2409474193256163 3.8075e-08  
a 2.665334637993421 1.127e-08 au
q 2.023129135329731 1.038e-07 au
i 13.33125871769611 4.0566e-06 deg
node 83.16428135274168 2.0089e-05 deg
peri 77.38563270189555 2.3442e-05 deg
M 16.05283353075759 9.0252e-06 deg
tp 2458929.627909521880
(2020-Mar-21.12790952)
3.9903e-05 TDB
period 1589.373771505064
4.35
1.0081e-05
2.76e-08
d
yr
n .2265043040562425 1.4366e-09 deg/d
Q 3.307540140657112 1.3986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      6799 days (18.61 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:00  

Additional Information
 Earth MOID = 1.08068 au 
 Jupiter MOID = 1.87949 au 
 T_jup = 3.304 
[ 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 15.0   n/a MPO366826  

146639 (2001 UH53)          Discovered 2001-Oct-17 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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