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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 171 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .270059543077045 5.2004e-08  
a 1.06132235131313 1.5253e-09 AU
q .7747021220600513 5.5011e-08 AU
i 21.89981536992563 7.1964e-06 deg
node 202.8640273774436 7.7651e-06 deg
peri 329.2909741564467 1.6014e-05 deg
M 238.4996837745964 2.0782e-05 deg
tp 2457135.285849490961
(2015-Apr-22.78584949)
2.3099e-05 JED
period 399.3644405560874
1.09
8.6093e-07
2.357e-09
d
yr
n .9014322845036601 1.9433e-09 deg/d
Q 1.347942580566209 1.9372e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      22160 days (60.67 yr)  
   first obs. used      1954-11-27  
   last obs. used      2015-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47695  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-30 06:15:58  

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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