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227977 (2007 HV79)
Classification: Main-belt Asteroid          SPK-ID: 2227977
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04655185586557259 7.7517e-08  
a 3.014275184955169 3.3168e-08 au
q 2.873955081005963 2.4549e-07 au
i 11.26651546268566 6.9112e-06 deg
node 53.9212003890805 3.1613e-05 deg
peri 119.4873936440163 6.8193e-05 deg
M 262.621107239792 6.0547e-05 deg
tp 2459717.553051517261
(2022-May-18.05305152)
0.00032406 TDB
period 1911.493274056574
5.23
3.155e-05
8.638e-08
d
yr
n .1883344319784121 3.1085e-09 deg/d
Q 3.154595288904374 3.4712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      5916 days (16.20 yr)  
   first obs. used      2004-11-03  
   last obs. used      2021-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:53  

Additional Information
 Earth MOID = 1.89305 au 
 Jupiter MOID = 1.84879 au 
 T_jup = 3.218 
[ 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 15.6   n/a MPO494251  

227977 (2007 HV79)          Discovered 2007-Apr-24 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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