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(2008 HE66)
Classification: Amor [NEO]          SPK-ID: 3410620
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550350672609179 1.1229e-07  
a 1.389501713168038 2.9828e-08 au
q 1.17408022160787 1.6011e-07 au
i 6.943858987736234 7.721e-06 deg
node 203.26338961 9.4466e-05 deg
peri 59.61389943054506 0.00027992 deg
M 228.6615604970435 0.00023008 deg
tp 2459418.761134289458
(2021-Jul-23.26113429)
0.00038916 TDB
period 598.2559914794496
1.64
1.9264e-05
5.274e-08
d
yr
n .6017490925744723 1.9376e-08 deg/d
Q 1.604923204728205 3.4453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      4707 days (12.89 yr)  
   first obs. used      2008-04-30  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .33493  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:40:39  

Additional Information
 Earth MOID = .188842 au 
 Jupiter MOID = 3.43868 au 
 T_jup = 4.758 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.9   n/a MPO267464  

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