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227972 (2007 HG41)
Classification: Main-belt Asteroid          SPK-ID: 2227972
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212375787774549 4.6518e-08  
a 2.968399913052657 3.0752e-08 au
q 2.608518294750946 1.2936e-07 au
i 11.2655457319825 6.9229e-06 deg
node 65.04341210490021 2.3181e-05 deg
peri 267.7497334357465 4.0003e-05 deg
M 147.9740446102404 3.5593e-05 deg
tp 2458432.669983126684
(2018-Nov-10.16998313)
0.00018207 TDB
period 1868.022238646469
5.11
2.9028e-05
7.947e-08
d
yr
n .1927171917722182 2.9947e-09 deg/d
Q 3.328281531354369 3.448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      6796 days (18.61 yr)  
   first obs. used      2002-06-08  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51254  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:12:32  

Additional Information
 Earth MOID = 1.62748 au 
 Jupiter MOID = 2.06786 au 
 T_jup = 3.223 
[ 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 15.53   n/a E2021B55  

227972 (2007 HG41)          Discovered 2007-Apr-20 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2007 HG41 = 2004 XO135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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