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(2000 HE46)
Classification: Centaur          SPK-ID: 3043768
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8992621622306047 0.000122  
a 23.65661703882703 0.028869 au
q 2.383116449430069 2.4375e-05 au
i 158.5565513060535 0.00015013 deg
node 313.6941707688886 0.00076986 deg
peri 82.81460068779717 0.0011914 deg
M 63.13016523930138 0.11553 deg
tp 2451630.596330635984
(2000-Mar-27.09633064)
0.0048673 TDB
period 42026.90284294283
115.06
76.932
0.2106
d
yr
n .008565941709893363 1.568e-05 deg/d
Q 44.93011762822399 0.054831 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      220 days  
   first obs. used      2000-04-29  
   last obs. used      2000-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .54026  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-08 23:49:43  

Additional Information
 Earth MOID = 1.48646 au 
 Jupiter MOID = .135558 au 
 T_jup = -1.516 
[ 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 14.8   n/a MPC33875  
diameter diameter 6.4 km 1.2 Fernandez et al. (2005) Astron.J. 130:308-318  
geometric albedo albedo 0.045   0.016 Fernandez et al. (2005) Astron.J. 130:308-318  

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