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344683 (2003 SP263)
Classification: Main-belt Asteroid          SPK-ID: 2344683
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0771233125761865 1.0211e-07  
a 2.694835762008445 3.9235e-08 au
q 2.487001101193582 2.9337e-07 au
i 5.31068827760739 1.1356e-05 deg
node 167.8741570985111 6.5891e-05 deg
peri 223.2953269751893 9.2218e-05 deg
M 261.7259334974061 7.0528e-05 deg
tp 2459441.596189820319
(2021-Aug-15.09618982)
0.00032363 TDB
period 1615.834512466454
4.42
3.5288e-05
9.661e-08
d
yr
n .2227950927044416 4.8656e-09 deg/d
Q 2.902670422823308 4.2261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      5687 days (15.57 yr)  
   first obs. used      2003-09-28  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64074  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:14:41  

Additional Information
 Earth MOID = 1.49485 au 
 Jupiter MOID = 2.43707 au 
 T_jup = 3.360 
[ 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 16.6   n/a MPO434168  
rotation period rot_per 6.00 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.]

344683 (2003 SP263)          Discovered 2003-Sep-28 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2003 SP263 = 2010 MW17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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