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JPL Small-Body Database Browser
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437908 (2001 XW266)
Classification: Amor [NEO]          SPK-ID: 2437908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 55 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4515109616648663 8.7439e-08  
a 2.284820704454773 1.5353e-08 au
q 1.253199110954601 1.9307e-07 au
i 4.614254338181217 5.7456e-06 deg
node 205.7654557297105 6.0542e-05 deg
peri 90.01338753413026 7.0169e-05 deg
M 39.7126899359531 1.5851e-05 deg
tp 2458461.343524866385
(2018-Dec-08.84352487)
5.4485e-05 TDB
period 1261.469095367109
3.45
1.2715e-05
3.481e-08
d
yr
n .2853815454711823 2.8765e-09 deg/d
Q 3.316442297954945 2.2285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      5076 days (13.90 yr)  
   first obs. used      2001-12-09  
   last obs. used      2015-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52936  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:38  

Additional Information
 Earth MOID = .253354 au 
 Jupiter MOID = 1.95062 au 
 T_jup = 3.456 
[ 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 19.5   n/a MPO147191  

437908 (2001 XW266)          Discovered 2001-Dec-09 by Tholen, D. J. at Mauna Kea
Reference: Last Updated: 2015-07-06

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