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86866 (2000 HD18)
Classification: Main-belt Asteroid          SPK-ID: 2086866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05076762797213741 6.9308e-08  
a 2.471081459645791 1.264e-08 au
q 2.345630515413647 1.6808e-07 au
i 4.27906968892591 5.2039e-06 deg
node 221.0071348412934 6.3941e-05 deg
peri 158.5569648310475 7.7684e-05 deg
M 315.6768513379421 4.3357e-05 deg
tp 2459375.185607283551
(2021-Jun-09.68560728)
0.0001711 TDB
period 1418.825614162909
3.88
1.0887e-05
2.981e-08
d
yr
n .2537309704634814 1.9469e-09 deg/d
Q 2.596532403877935 1.3282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      7366 days (20.17 yr)  
   first obs. used      2000-04-24  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56602  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:55:50  

Additional Information
 Earth MOID = 1.34691 au 
 Jupiter MOID = 2.61463 au 
 T_jup = 3.478 
[ 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 15.93   n/a E2021B10  

86866 (2000 HD18)          Discovered 2000-Apr-24 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2000 HD18 = 2001 QR66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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