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153591 (2001 SN263)
Classification: Amor [NEO]          SPK-ID: 2153591
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 149 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4784926289801585 1.7121e-08  
a 1.987481634831997 1.3952e-08 au
q 1.036486322331451 3.3087e-08 au
i 6.689257081840025 4.1747e-06 deg
node 325.767356247849 1.2606e-05 deg
peri 172.9483878175812 1.4427e-05 deg
M 140.3783789551725 1.8508e-05 deg
tp 2458601.428387781749
(2019-Apr-27.92838778)
4.8454e-05 TDB
period 1023.4181464971
2.80
1.0777e-05
2.951e-08
d
yr
n .3517623771204256 3.7042e-09 deg/d
Q 2.938476947332542 2.0629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      881  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      10856 days (29.72 yr)  
   first obs. used      1990-09-25  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-16 06:08:10  

Additional Information
 Earth MOID = .0505512 au 
 Jupiter MOID = 2.10464 au 
 T_jup = 3.696 
[ 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 16.9   n/a MPO236932  
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. 2019-August); 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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