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39767 (1997 GD12)
Classification: Main-belt Asteroid          SPK-ID: 2039767
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023618700096617 4.0153e-08  
a 2.435788973172957 9.6103e-09 au
q 2.186457058930059 9.5799e-08 au
i 6.647808314102257 4.5348e-06 deg
node 14.92450053988422 2.5649e-05 deg
peri 206.3966485594111 3.2509e-05 deg
M 10.1314479726684 1.7535e-05 deg
tp 2458961.422485329400
(2020-Apr-21.92248533)
6.7732e-05 TDB
period 1388.538471437354
3.80
8.2176e-06
2.25e-08
d
yr
n .2592654128101642 1.5344e-09 deg/d
Q 2.685120887415854 1.0594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1539  
   data-arc span      8526 days (23.34 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:36:05  

Additional Information
 Earth MOID = 1.18098 au 
 Jupiter MOID = 2.2919 au 
 T_jup = 3.488 
[ 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 14.8   n/a MPO431948  

39767 (1997 GD12)          Discovered 1997-Apr-03 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 GD12 = 1999 XZ190 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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