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153591 (2001 SN263)
Classification: Amor [NEO, PHA]          SPK-ID: 2153591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 155 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .479587729858565 1.7054e-08  
a 1.985723856301721 1.3819e-08 au
q 1.033395059931983 3.2735e-08 au
i 6.695710168841938 4.162e-06 deg
node 325.7590142336815 1.2415e-05 deg
peri 173.0334670375264 1.415e-05 deg
M 279.6334982745425 1.9936e-05 deg
tp 2459624.665128799660
(2022-Feb-14.16512880)
5.8971e-05 TDB
period 1022.060741781154
2.80
1.0669e-05
2.921e-08
d
yr
n .3522295547450782 3.6769e-09 deg/d
Q 2.938052652671459 2.0447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      899  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      10949 days (29.98 yr)  
   first obs. used      1990-09-25  
   last obs. used      2020-09-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42701  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:32:11  

Additional Information
 Earth MOID = .0481126 au 
 Jupiter MOID = 2.10416 au 
 T_jup = 3.697 
[ 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 16.91   n/a E2021B55  
diameter diameter 2 km n/a n/a Radar observed triple system with estimated diameters of 2, 1 and 0.4 km
rotation period rot_per 3.423 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Oey, J. (2009) Minor Planet Bull. 36, 4-6.]
[Warner, B.D. (2011) http://www.minorplanetobserver.com/PDO/PDOLightcurves.htm]
[Becker, T.M.; Howell, E.S.; Nolan, M.C.; Magri, C.; et al. (2015) Icarus 248, 499-515.]

153591 (2001 SN263)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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