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227970 (2007 HL32)
Classification: Main-belt Asteroid          SPK-ID: 2227970
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0251029876650467 5.3513e-08  
a 3.081968967547803 3.4043e-08 au
q 3.004602338571394 1.5747e-07 au
i 10.34892767028391 7.6333e-06 deg
node 24.92587835108947 2.8815e-05 deg
peri 280.0211697846653 0.00015542 deg
M 102.9083087544462 0.00015348 deg
tp 2458635.577647242365
(2019-Jun-01.07764724)
0.00084089 TDB
period 1976.245158960129
5.41
3.2744e-05
8.965e-08
d
yr
n .1821636340854728 3.0183e-09 deg/d
Q 3.159335596524212 3.4898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      9027 days (24.71 yr)  
   first obs. used      1996-04-20  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59277  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:12:32  

Additional Information
 Earth MOID = 2.01163 au 
 Jupiter MOID = 1.89391 au 
 T_jup = 3.202 
[ 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 MPO494251  

227970 (2007 HL32)          Discovered 2007-Apr-19 by Mt. Lemmon Survey at Mount Lemmon
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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