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227947 (2007 GH42)
Classification: Main-belt Asteroid          SPK-ID: 2227947
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012638507577373 6.9043e-08  
a 2.807501699714583 2.718e-08 au
q 2.523203266592592 1.8848e-07 au
i 3.803322716856923 7.5707e-06 deg
node 25.59989434524948 0.00010507 deg
peri 15.41992422255886 0.0001128 deg
M 138.4569646906943 3.8679e-05 deg
tp 2458539.668442051459
(2019-Feb-25.16844205)
0.00018556 TDB
period 1718.218808226293
4.70
2.4951e-05
6.831e-08
d
yr
n .2095192988671949 3.0426e-09 deg/d
Q 3.091800132836574 2.9932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6562 days (17.97 yr)  
   first obs. used      2002-04-06  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57775  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:23:52  

Additional Information
 Earth MOID = 1.53044 au 
 Jupiter MOID = 2.28586 au 
 T_jup = 3.312 
[ 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 16.67   n/a E2021B55  

227947 (2007 GH42)          Discovered 2007-Apr-14 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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