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47320 (1999 XA15)
Classification: Main-belt Asteroid          SPK-ID: 2047320
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08952604007333537 3.3116e-08  
a 2.407503801121557 1.0349e-08 au
q 2.191969519345641 8.2848e-08 au
i 22.44269058998985 4.0035e-06 deg
node 77.6628297321878 1.0508e-05 deg
peri 217.8112652748587 3.0451e-05 deg
M 296.9489997856703 2.9842e-05 deg
tp 2459239.467246124694
(2021-Jan-24.96724612)
0.000113 TDB
period 1364.422583503092
3.74
8.7976e-06
2.409e-08
d
yr
n .2638478755428664 1.7013e-09 deg/d
Q 2.623038082897472 1.1275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1844  
   data-arc span      8112 days (22.21 yr)  
   first obs. used      1998-05-29  
   last obs. used      2020-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:42:53  

Additional Information
 Earth MOID = 1.1991 au 
 Jupiter MOID = 2.51441 au 
 T_jup = 3.414 
[ 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 13.9   n/a MPO333230  
rotation period rot_per 6.340 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

47320 (1999 XA15)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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