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277852 (2006 HG120)
Classification: Main-belt Asteroid          SPK-ID: 2277852
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1481882689334237 1.0834e-07  
a 3.049867342483266 4.5765e-08 au
q 2.597912780524089 3.5176e-07 au
i 12.9216810187749 9.7676e-06 deg
node 55.41802786780713 4.3941e-05 deg
peri 92.14423984730004 5.6905e-05 deg
M 297.8191833220064 3.4479e-05 deg
tp 2459336.526688657736
(2021-May-02.02668866)
0.00018821 TDB
period 1945.449004686314
5.33
4.3789e-05
1.199e-07
d
yr
n .1850472559973612 4.1651e-09 deg/d
Q 3.501821904442442 5.2547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      7641 days (20.92 yr)  
   first obs. used      1998-11-27  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63652  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:25:20  

Additional Information
 Earth MOID = 1.64918 au 
 Jupiter MOID = 1.68828 au 
 T_jup = 3.182 
[ 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 16.3   n/a MPO455061  
diameter diameter 3.338 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277852 (2006 HG120)          Discovered 2006-Apr-30 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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