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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 174 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2700595400672416 5.081e-08  
a 1.061322351362371 1.5164e-09 AU
q .7747021252903659 5.3713e-08 AU
i 21.89981406658269 7.0392e-06 deg
node 202.8640278351873 7.7516e-06 deg
peri 329.2909724376929 1.5827e-05 deg
M 238.4996853142588 2.0275e-05 deg
tp 2457135.285847792324
(2015-Apr-22.78584779)
2.2532e-05 JED
period 399.3644405838807
1.09
8.559e-07
2.343e-09
d
yr
n .9014322844409258 1.9319e-09 deg/d
Q 1.347942577434377 1.9259e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      22189 days (60.75 yr)  
   first obs. used      1954-11-27  
   last obs. used      2015-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46926  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Aug-29 06:14:39  

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-July); Warner et al., 2009 Published Reference List:
[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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