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120152 (2003 HJ1)
Classification: Main-belt Asteroid          SPK-ID: 2120152
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06624254039524813 4.7454e-08  
a 3.062243260290523 3.3107e-08 au
q 2.859392487420651 1.5541e-07 au
i 9.56926975659573 5.0518e-06 deg
node 213.8318432220266 2.7045e-05 deg
peri 355.163605369586 4.354e-05 deg
M 77.85310831206471 3.4644e-05 deg
tp 2458577.216427549152
(2019-Apr-03.71642755)
0.00018799 TDB
period 1957.302532758235
5.36
3.1742e-05
8.69e-08
d
yr
n .1839265999889589 2.9828e-09 deg/d
Q 3.265094033160393 3.53e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      6740 days (18.45 yr)  
   first obs. used      2000-11-24  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5627  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:57:44  

Additional Information
 Earth MOID = 1.85404 au 
 Jupiter MOID = 1.70468 au 
 T_jup = 3.209 
[ 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 14.8   n/a MPO436580  

120152 (2003 HJ1)          Discovered 2003-Apr-21 by McNaught, R. H. at Siding Spring
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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