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JPL Small-Body Database Browser
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201481 (2003 HG1)
Classification: Main-belt Asteroid          SPK-ID: 2201481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879059788400688 3.6396e-08  
a 2.418800045309846 1.3135e-08 au
q 1.964293055177496 8.6174e-08 au
i 3.533368147108215 4.5242e-06 deg
node 78.50194738800667 0.00011856 deg
peri 188.8783526157285 0.00012028 deg
M 55.94705117614406 2.143e-05 deg
tp 2458386.963028444086
(2018-Sep-25.46302844)
8.13e-05 TDB
period 1374.036846340669
3.76
1.1193e-05
3.064e-08
d
yr
n .2620017075661041 2.1342e-09 deg/d
Q 2.873307035442195 1.5604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      6976 days (19.10 yr)  
   first obs. used      2000-09-26  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62374  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:22:21  

Additional Information
 Earth MOID = .947997 au 
 Jupiter MOID = 2.21576 au 
 T_jup = 3.488 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO251531  

201481 (2003 HG1)          Discovered 2003-Apr-21 by CSS at Catalina
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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