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JPL Small-Body Database Browser
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80387 (1999 XG168)
Classification: Main-belt Asteroid          SPK-ID: 2080387
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2409092980361414 4.7027e-08  
a 2.35948394972097 7.2963e-09 au
q 1.791062327666149 1.096e-07 au
i 2.090454109427839 4.8425e-06 deg
node 359.2299237523027 0.00010431 deg
peri 30.96975663529005 0.0001047 deg
M 153.665322927685 7.5673e-06 deg
tp 2458035.436389363297
(2017-Oct-08.93638936)
2.7171e-05 TDB
period 1323.804850395193
3.62
6.1404e-06
1.681e-08
d
yr
n .2719434060787205 1.2614e-09 deg/d
Q 2.927905571775791 9.054e-09 au
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      8684 days (23.78 yr)  
   first obs. used      1995-08-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:49:35  

Additional Information
 Earth MOID = .796116 au 
 Jupiter MOID = 2.51939 au 
 T_jup = 3.512 
[ 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 15.8   n/a MPO436342  

80387 (1999 XG168)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XG168 = 2002 NF9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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