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243076 (2007 HC49)
Classification: Main-belt Asteroid          SPK-ID: 2243076
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487478145094828 4.5012e-08  
a 2.221769084676142 1.3267e-08 au
q 1.891285788985832 1.0588e-07 au
i 6.429980634080954 5.235e-06 deg
node 70.34624916056967 5.1022e-05 deg
peri 209.5958257747607 5.5222e-05 deg
M 297.8554460574052 2.301e-05 deg
tp 2459209.308118585739
(2020-Dec-25.80811859)
7.823e-05 TDB
period 1209.614003510337
3.31
1.0835e-05
2.966e-08
d
yr
n .2976156021303233 2.6658e-09 deg/d
Q 2.552252380366452 1.5241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7822 days (21.42 yr)  
   first obs. used      1998-11-22  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:44:42  

Additional Information
 Earth MOID = .877952 au 
 Jupiter MOID = 2.56473 au 
 T_jup = 3.626 
[ 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 17.5   n/a MPO360240  

243076 (2007 HC49)          Discovered 2007-Apr-20 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2007 HC49 = 2004 OE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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