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88710 (2001 SL9)
Classification: Apollo [NEO]          SPK-ID: 2088710
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 169 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2700595566223474 5.3535e-08  
a 1.0613223511109 1.537e-09 AU
q .7747021075365034 5.6674e-08 AU
i 21.89981762223774 7.3583e-06 deg
node 202.8640267140726 7.7803e-06 deg
peri 329.2909743052167 1.626e-05 deg
M 238.4996862799133 2.1472e-05 deg
tp 2457135.285846673175
(2015-Apr-22.78584667)
2.3871e-05 JED
period 399.364440441942
1.09
8.6752e-07
2.375e-09
d
yr
n .9014322847613053 1.9581e-09 deg/d
Q 1.347942594685297 1.952e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      22136 days (60.61 yr)  
   first obs. used      1954-11-27  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47734  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-07 05:45:36  

Additional Information
 Earth MOID = .196214 AU 
 T_jup = 5.710 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6 mag n/a MPO263984  
rotation period rot_per 2.4004 h n/a LCDB (Rev. 2015-May); Warner et al., 2009 Published Reference List:
[Pravec, P.; Kusnirak, P.; Warner, B. (2001) IAUC 7742.]
[Pravec, P.; et al. (2006) Icarus 181, 63-93.]
[Warner, B.D. (2014) Minor Planet Bul. 41, 113-124.]

88710 (2001 SL9)          Discovered 2001-Sep-18 by NEAT at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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