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103180 (1999 XF237)
Classification: Main-belt Asteroid          SPK-ID: 2103180
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448101620630456 3.7885e-08  
a 2.217066301676646 7.7938e-09 au
q 1.896012571226334 8.5438e-08 au
i 5.038685948702375 3.4789e-06 deg
node 59.35711701975153 3.7328e-05 deg
peri 160.1172891457262 3.8683e-05 deg
M 301.5022395657046 1.0919e-05 deg
tp 2459196.431014463382
(2020-Dec-12.93101446)
3.6992e-05 TDB
period 1205.77548068772
3.30
6.3581e-06
1.741e-08
d
yr
n .2985630457460226 1.5743e-09 deg/d
Q 2.538120032126958 8.9224e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      7492 days (20.51 yr)  
   first obs. used      1999-11-12  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:50:17  

Additional Information
 Earth MOID = .888712 au 
 Jupiter MOID = 2.43353 au 
 T_jup = 3.634 
[ 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 15.76   n/a E2021B55  
rotation period rot_per 5.68513 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

103180 (1999 XF237)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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