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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06371343486305456 1.0716e-07  
a 3.059417921194521 5.6266e-08 AU
q 2.864491896753632 3.2136e-07 AU
i 9.580076756736686 1.1024e-05 deg
node 213.9558662149285 4.6424e-05 deg
peri 354.1372942013025 8.6882e-05 deg
M 70.47993634412674 6.9255e-05 deg
tp 2456617.834209682190
(2013-Nov-21.33420968)
0.00037953 JED
period 1954.594337908927
5.35
5.392e-05
1.476e-07
d
yr
n .1841814401166929 5.0809e-09 deg/d
Q 3.25434394563541 5.9851e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      4970 days (13.61 yr)  
   first obs. used      2000-11-24  
   last obs. used      2014-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61947  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 15:04:52  

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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