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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8999956147147171 0.00012135  
a 23.6602068073968 0.028916 au
q 2.366124437496383 2.2863e-05 au
i 158.5622022639099 0.00014523 deg
node 313.7275501901105 0.00077536 deg
peri 82.78876956603162 0.0012056 deg
M 66.440901657819 0.12175 deg
tp 2451638.330778915206
(2000-Apr-03.83077891)
0.0058333 TDB
period 42036.46925164573
115.09
77.061
0.211
d
yr
n .008563992324020078 1.5699e-05 deg/d
Q 44.95428917729722 0.05494 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .53511  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:56:05  

Additional Information
 Earth MOID = 1.47023 au 
 Jupiter MOID = .145488 au 
 T_jup = -1.510 
[ 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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