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47392 (1999 XT109)
Classification: Main-belt Asteroid          SPK-ID: 2047392
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1932440358202222 4.6257e-08  
a 2.271489816615786 9.4801e-09 au
q 1.832537957128415 1.087e-07 au
i 5.09149156753903 4.0454e-06 deg
node 90.66450062324388 5.2906e-05 deg
peri 316.9454671930474 5.3919e-05 deg
M 2.917849916717347 1.1357e-05 deg
tp 2458990.364969336538
(2020-May-20.86496934)
3.9422e-05 TDB
period 1250.445068453427
3.42
7.8282e-06
2.143e-08
d
yr
n .2878974927265333 1.8023e-09 deg/d
Q 2.710441676103156 1.1312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      10727 days (29.37 yr)  
   first obs. used      1991-06-07  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:42:29  

Additional Information
 Earth MOID = .846656 au 
 Jupiter MOID = 2.67118 au 
 T_jup = 3.582 
[ 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 15.8   n/a MPO296488  
rotation period rot_per 5.27 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

47392 (1999 XT109)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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