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120152 (2003 HJ1)
Classification: Main-belt Asteroid          SPK-ID: 2120152
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0637134379420964 1.0638e-07  
a 3.059417920190007 5.6104e-08 AU
q 2.864491886393044 3.1842e-07 AU
i 9.580076812503682 1.0793e-05 deg
node 213.9558660766482 4.6161e-05 deg
peri 354.1372935528845 8.6667e-05 deg
M 70.4799374270815 6.9105e-05 deg
tp 2456617.834203990828
(2013-Nov-21.33420399)
0.00037878 JED
period 1954.594336946285
5.35
5.3765e-05
1.472e-07
d
yr
n .1841814402074027 5.0663e-09 deg/d
Q 3.254343953986971 5.9679e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      5012 days (13.72 yr)  
   first obs. used      2000-11-24  
   last obs. used      2014-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61538  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 16:03:40  

Additional Information
 Earth MOID = 1.86083 AU 
 T_jup = 3.210 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO299676  

120152 (2003 HJ1)          Discovered 2003-Apr-21 by McNaught, R. H. at Siding Spring (413)
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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