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103207 (1999 XA253)
Classification: Main-belt Asteroid          SPK-ID: 2103207
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06729903220663851 3.4435e-08  
a 2.457582010069627 1.3817e-08 au
q 2.292189119223496 8.7201e-08 au
i 5.987659667256147 4.0042e-06 deg
node 80.62609775533291 4.2956e-05 deg
peri 194.2276614478735 5.6627e-05 deg
M 259.3833272856294 3.8347e-05 deg
tp 2459393.803586349121
(2021-Jun-28.30358635)
0.00015119 TDB
period 1407.2149999198
3.85
1.1867e-05
3.249e-08
d
yr
n .2558244475936635 2.1574e-09 deg/d
Q 2.622974900915758 1.4747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      7455 days (20.41 yr)  
   first obs. used      1999-11-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 18:14:17  

Additional Information
 Earth MOID = 1.27641 au 
 Jupiter MOID = 2.43476 au 
 T_jup = 3.481 
[ 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 16.18   n/a E2021B55  

103207 (1999 XA253)          Discovered 1999-Dec-12 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XA253 = 2002 PC109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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