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48747 (1997 GD2)
Classification: Main-belt Asteroid          SPK-ID: 2048747
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1822532816148066 3.8065e-08  
a 2.335379333570714 7.4265e-09 au
q 1.909748786212051 8.8523e-08 au
i 5.281371979689464 4.2181e-06 deg
node 188.115940250203 3.8679e-05 deg
peri 199.5947475568015 3.9892e-05 deg
M 324.8098586411728 9.0898e-06 deg
tp 2459127.924543543106
(2020-Oct-05.42454354)
3.2916e-05 TDB
period 1303.570656558654
3.57
6.218e-06
1.702e-08
d
yr
n .2761645471142912 1.3173e-09 deg/d
Q 2.761009880929377 8.78e-09 au
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      9114 days (24.95 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:57  

Additional Information
 Earth MOID = .915038 au 
 Jupiter MOID = 2.68615 au 
 T_jup = 3.540 
[ 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 16.1   n/a MPO436124  

48747 (1997 GD2)          Discovered 1997-Apr-07 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 GD2 = 2000 AG118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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