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JPL Small-Body Database Browser
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185865 (2000 HG39)
Classification: Main-belt Asteroid          SPK-ID: 2185865
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08195748027996701 7.5695e-08  
a 2.570730169079724 2.304e-08 au
q 2.360039601942256 2.0214e-07 au
i 13.91752898403213 7.8275e-06 deg
node 203.4898421111781 1.8217e-05 deg
peri 190.2880256197436 3.7129e-05 deg
M 131.4642597654847 2.8747e-05 deg
tp 2458450.720720342174
(2018-Nov-28.22072034)
0.00012113 TDB
period 1505.508349036325
4.12
2.024e-05
5.541e-08
d
yr
n .2391218887829056 3.2147e-09 deg/d
Q 2.781420736217192 2.4929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      6872 days (18.81 yr)  
   first obs. used      2000-04-02  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57026  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:05:41  

Additional Information
 Earth MOID = 1.36631 au 
 Jupiter MOID = 2.59298 au 
 T_jup = 3.384 
[ 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 16.1   n/a MPO459841  

185865 (2000 HG39)          Discovered 2000-Apr-29 by Spacewatch at Kitt Peak
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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