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227975 (2007 HL63)
Classification: Main-belt Asteroid          SPK-ID: 2227975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03785487375843969 5.9968e-08  
a 2.870910178134376 3.391e-08 au
q 2.762232235769279 1.7398e-07 au
i 7.916997565441282 6.5224e-06 deg
node 60.89536042138892 5.3065e-05 deg
peri 231.9150627119626 0.00011087 deg
M 220.0909470393955 9.6905e-05 deg
tp 2459891.011873004247
(2022-Nov-07.51187300)
0.00047747 TDB
period 1776.756178540676
4.86
3.148e-05
8.619e-08
d
yr
n .2026164334465312 3.5899e-09 deg/d
Q 2.979588120499472 3.5194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      6891 days (18.87 yr)  
   first obs. used      2001-02-21  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6136  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 01:42:20  

Additional Information
 Earth MOID = 1.7522 au 
 Jupiter MOID = 2.08136 au 
 T_jup = 3.283 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO527646  

227975 (2007 HL63)          Discovered 2007-Apr-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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