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71078 (1999 XF118)
Classification: Main-belt Asteroid          SPK-ID: 2071078
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142530195438088 6.5697e-08  
a 2.587102186397456 1.6402e-08 au
q 2.291517949733157 1.6545e-07 au
i 11.79987772245651 5.5052e-06 deg
node 251.3097845559177 2.3463e-05 deg
peri 303.9616913923288 3.133e-05 deg
M 204.790885931763 2.1874e-05 deg
tp 2459655.789969932168
(2022-Mar-17.28996993)
9.3835e-05 TDB
period 1519.913251175869
4.16
1.4454e-05
3.957e-08
d
yr
n .2368556229913048 2.2524e-09 deg/d
Q 2.882686423061755 1.8276e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1999-11-15  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57197  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:57:53  

Additional Information
 Earth MOID = 1.31031 au 
 Jupiter MOID = 2.17669 au 
 T_jup = 3.383 
[ 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 15.2   n/a MPO436280  

71078 (1999 XF118)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XF118 = 2001 FE57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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