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JPL Small-Body Database Browser
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201491 (2003 HG53)
Classification: Main-belt Asteroid          SPK-ID: 2201491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03666720727642322 6.2038e-08  
a 2.305449540337852 1.7722e-08 au
q 2.220915144176949 1.3768e-07 au
i 7.683545240228718 5.8081e-06 deg
node 306.4555671591538 4.5571e-05 deg
peri 249.6812056057692 8.8645e-05 deg
M 226.5674992863246 7.6628e-05 deg
tp 2459074.404664444939
(2020-Aug-12.90466444)
0.00027285 TDB
period 1278.591634629335
3.50
1.4743e-05
4.036e-08
d
yr
n .2815597961458308 3.2466e-09 deg/d
Q 2.389983936498754 1.8372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      7298 days (19.98 yr)  
   first obs. used      1999-01-10  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57425  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:36:00  

Additional Information
 Earth MOID = 1.23431 au 
 Jupiter MOID = 2.61271 au 
 T_jup = 3.575 
[ 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 16.5   n/a MPO459900  

201491 (2003 HG53)          Discovered 2003-Apr-30 by Broughton, J. at Reedy Creek
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2003 HG53 = 2004 RX104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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