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(2008 HJ)
Classification: Apollo [NEO]          SPK-ID: 3409625
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4065707869787811 0.00011192  
a 1.632053015169498 0.00029239 AU
q .9685079364009425 9.1516e-06 AU
i .9256211002304605 0.00015685 deg
node 47.46912219909873 0.0011174 deg
peri 204.1577809158681 0.00087242 deg
M 314.2268381755629 0.2799 deg
tp 2456897.329621023939
(2014-Aug-27.82962102)
0.61813 JED
period 761.5524508077082
2.09
0.20465
0.0005603
d
yr
n .4727185890061562 0.00012703 deg/d
Q 2.295598093938053 0.00041127 AU
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      6 days  
   first obs. used      2008-04-24  
   last obs. used      2008-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      6  
   fit RMS      .45234  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 09:21:13  

Additional Information
 Earth MOID = .00165211 AU 
 T_jup = 4.211 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.8 mag n/a MPO139312  
rotation period rot_per 0.01185 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Incomplete or inconclusive result.
Published Reference List:
[Miles, R. (2008) CBET 1382.]

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