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344389 (2001 XQ260)
Classification: Main-belt Asteroid          SPK-ID: 2344389
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2353486713740957 5.5124e-08  
a 3.110357304569988 2.9604e-08 au
q 2.378338845440728 1.7167e-07 au
i 6.513614161565126 6.4334e-06 deg
node 86.36934932090251 8.5392e-05 deg
peri 11.9938931903826 8.8163e-05 deg
M 110.0031862920311 2.0649e-05 deg
tp 2458388.267170797788
(2018-Sep-26.76717080)
0.00011282 TDB
period 2003.613040150301
5.49
2.8605e-05
7.832e-08
d
yr
n .1796754127598384 2.5652e-09 deg/d
Q 3.842375763699248 3.6571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2001-11-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:25:39  

Additional Information
 Earth MOID = 1.39564 au 
 Jupiter MOID = 1.3571 au 
 T_jup = 3.166 
[ 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 16.5   n/a MPO471578  

344389 (2001 XQ260)          Discovered 2001-Dec-10 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2001 XQ260 = 2008 AL45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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