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86945 (2000 HE85)
Classification: Main-belt Asteroid          SPK-ID: 2086945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09147084460648923 3.2163e-08  
a 2.207841478547842 7.4861e-09 au
q 2.005888353747831 7.1485e-08 au
i 9.232741667939258 4.226e-06 deg
node 202.906279348584 2.0143e-05 deg
peri 109.682347964172 3.0806e-05 deg
M 330.4488153752069 2.4238e-05 deg
tp 2459098.860936162369
(2020-Sep-06.36093616)
8.074e-05 TDB
period 1198.257784520235
3.28
6.0944e-06
1.669e-08
d
yr
n .300436187146607 1.528e-09 deg/d
Q 2.409794603347853 8.1709e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1578  
   data-arc span      7891 days (21.60 yr)  
   first obs. used      1998-12-22  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:03:04  

Additional Information
 Earth MOID = 1.01494 au 
 Jupiter MOID = 2.78722 au 
 T_jup = 3.637 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO474755  
diameter diameter 2.990 km 0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.260   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

86945 (2000 HE85)          Discovered 2000-Apr-29 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2000 HE85 = 2001 RR77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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