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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 188 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2701480284335366 1.6238e-08  
a 1.061419407497893 1.0797e-09 au
q .7746790472212446 1.6982e-08 au
i 21.90150687335654 1.5777e-06 deg
node 202.8382315352112 2.3237e-06 deg
peri 329.3392946399264 6.4761e-06 deg
M 238.2268028216386 8.1265e-06 deg
tp 2459531.607099659101
(2021-Nov-13.10709966)
9.1091e-06 TDB
period 399.419223641106
1.09
6.0947e-07
1.669e-09
d
yr
n .9013086468854445 1.3753e-09 deg/d
Q 1.348159767774542 1.3714e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      22361 days (61.22 yr)  
   first obs. used      1954-11-27  
   last obs. used      2016-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42196  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:31:40  

Additional Information
 Earth MOID = .197073 au 
 Jupiter MOID = 3.63545 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. 2020-October); 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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