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66968 (1999 XU53)
Classification: Main-belt Asteroid          SPK-ID: 2066968
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .147552101369269 4.2798e-08  
a 2.328367711082313 7.9101e-09 au
q 1.984812162551762 9.8951e-08 au
i 2.786904580082877 6.0346e-06 deg
node 214.0578977344177 7.2828e-05 deg
peri 102.3510352338466 7.5997e-05 deg
M 64.75892165138545 2.1827e-05 deg
tp 2458967.061283598106
(2020-Apr-27.56128360)
7.8674e-05 TDB
period 1297.704405225902
3.55
6.613e-06
1.811e-08
d
yr
n .2774129443887738 1.4137e-09 deg/d
Q 2.671923259612863 9.0773e-09 au
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      9244 days (25.31 yr)  
   first obs. used      1995-09-21  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5035  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:20  

Additional Information
 Earth MOID = .971637 au 
 Jupiter MOID = 2.59748 au 
 T_jup = 3.556 
[ 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 16.36   n/a MPCxxxxx  

66968 (1999 XU53)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XU53 = 1998 LF4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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