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JPL Small-Body Database Browser
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185970 (2001 HP66)
Classification: Main-belt Asteroid          SPK-ID: 2185970
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2270402083748162 4.8706e-08  
a 2.37187626446465 1.1261e-08 au
q 1.833364983141315 1.1728e-07 au
i 7.621970646784318 5.801e-06 deg
node 178.4601662399281 4.0125e-05 deg
peri 36.06991972609172 4.2339e-05 deg
M 83.22743864575683 1.4123e-05 deg
tp 2458692.038831788116
(2019-Jul-27.53883179)
5.1036e-05 TDB
period 1334.247723625454
3.65
9.5023e-06
2.602e-08
d
yr
n .2698149628629668 1.9216e-09 deg/d
Q 2.910387545787985 1.3818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      6648 days (18.20 yr)  
   first obs. used      2001-03-19  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59638  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:12:38  

Additional Information
 Earth MOID = .834042 au 
 Jupiter MOID = 2.06413 au 
 T_jup = 3.497 
[ 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 16.8   n/a MPO475566  

185970 (2001 HP66)          Discovered 2001-Apr-24 by NEAT at Haleakala
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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