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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06371343791472241 1.0633e-07  
a 3.059417920185763 5.6088e-08 AU
q 2.864491886472818 3.1823e-07 AU
i 9.580076958564852 1.0783e-05 deg
node 213.9558649183376 4.6104e-05 deg
peri 354.1372946258112 8.6624e-05 deg
M 70.47993750573033 6.9078e-05 deg
tp 2456617.834203564606
(2013-Nov-21.33420356)
0.00037864 JED
period 1954.594336942218
5.35
5.375e-05
1.472e-07
d
yr
n .1841814402077859 5.0648e-09 deg/d
Q 3.254343953898708 5.9661e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      292  
   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      .60125  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 16:12:22  

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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