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88710 (2001 SL9)
Classification: Apollo [NEO]          SPK-ID: 2088710
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 186 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2700979113694348 5.9877e-08  
a 1.061400014388462 1.5496e-09 au
q .7747180873746505 6.3309e-08 au
i 21.90040548039975 9.3391e-06 deg
node 202.8457512125611 8.4395e-06 deg
peri 329.3295477496165 1.8119e-05 deg
M 241.3246484299603 2.5032e-05 deg
tp 2459132.166438054420
(2020-Oct-09.66643805)
2.7851e-05 TDB
period 399.4082770558875
1.09
8.7469e-07
2.395e-09
d
yr
n .9013333490573275 1.9739e-09 deg/d
Q 1.348081941402274 1.9682e-09 au
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      22318 days (61.10 yr)  
   first obs. used      1954-11-27  
   last obs. used      2016-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 14:48:20  

Additional Information
 Earth MOID = .197663 au 
 Jupiter MOID = 3.63747 au 
 T_jup = 5.709 
[ 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 17.6   n/a MPO263984  
diameter diameter 0.760 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 2.4004 h n/a LCDB (Rev. 2019-August); 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 Bull. 41, 113-124.]
geometric albedo albedo 0.281   0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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