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47381 (1999 XQ98)
Classification: Main-belt Asteroid          SPK-ID: 2047381
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261288498547328 2.8368e-08  
a 2.581448143871403 1.0412e-08 au
q 2.255853058525268 7.456e-08 au
i 2.75985546189127 4.4651e-06 deg
node 40.55721011630557 9.4177e-05 deg
peri 36.24086581415293 9.7676e-05 deg
M 341.3158240259566 2.5425e-05 deg
tp 2459079.125782944617
(2020-Aug-17.62578294)
0.00010716 TDB
period 1514.933379956633
4.15
9.1656e-06
2.509e-08
d
yr
n .2376342120141979 1.4377e-09 deg/d
Q 2.907043229217538 1.1725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1245  
   data-arc span      8608 days (23.57 yr)  
   first obs. used      1997-04-06  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:42:34  

Additional Information
 Earth MOID = 1.2718 au 
 Jupiter MOID = 2.32391 au 
 T_jup = 3.412 
[ 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 14.9   n/a MPO400462  

47381 (1999 XQ98)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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