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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1932439675187562 4.7863e-08  
a 2.271489818681228 9.7307e-09 au
q 1.832538113940808 1.1268e-07 au
i 5.091494027853342 4.0512e-06 deg
node 90.66453914023825 5.3508e-05 deg
peri 316.9454248533718 5.4503e-05 deg
M 2.917848748572182 1.1507e-05 deg
tp 2458990.364973380218
(2020-May-20.86497338)
3.9943e-05 TDB
period 1250.445070158953
3.42
8.035e-06
2.2e-08
d
yr
n .2878974923338599 1.85e-09 deg/d
Q 2.710441523421649 1.1611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      10342 days (28.31 yr)  
   first obs. used      1991-06-07  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58432  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:31:57  

Additional Information
 Earth MOID = .846656 au 
 Jupiter MOID = 2.67118 au 
 T_jup = 3.582 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456984.5 (2014-Nov-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1941234830730697 4.7998e-08  
q 1.830198481497496 1.1307e-07 au
tp 2456487.751523577897
(2013-Jul-14.25152358)
3.5894e-05 TDB
node 90.70416514048344 5.3587e-05 deg
peri 316.524085290964 5.4557e-05 deg
i 5.089104321253774 4.049e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      10342 days (28.31 yr)  
   first obs. used      1991-06-07  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58432  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:31:57  

Additional Information
 Jupiter MOID = 2.67118 au 
 T_jup = 3.582 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.303841569604008E-15 -5.417213905071455E-15 -3.49073327020591E-13 -1.677495974748228E-14 -7.09811973418228E-14 -3.85039841583499E-15
q -5.417213905071455E-15 1.278551857867119E-14 7.983507789947799E-13 3.867947310216166E-14 1.664256461809713E-13 9.271839022879986E-15
tp -3.49073327020591E-13 7.983507789947799E-13 1.28841005454384E-9 1.356105948988505E-13 3.883476080799186E-10 1.7464351815853E-12
node -1.677495974748228E-14 3.867947310216166E-14 1.356105948988505E-13 2.871535231718213E-9 -2.86003154446771E-9 -3.075719714075275E-11
peri -7.09811973418228E-14 1.664256461809713E-13 3.883476080799186E-10 -2.86003154446771E-9 2.976485305074684E-9 3.115830212625961E-11
i -3.85039841583499E-15 9.271839022879986E-15 1.7464351815853E-12 -3.075719714075275E-11 3.115830212625961E-11 1.639448818128997E-11

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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