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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 188 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2700827272923023 1.6237e-08  
a 1.061445877696999 1.0777e-09 au
q .7747676801754216 1.6982e-08 au
i 21.89993393629674 1.5776e-06 deg
node 202.8440434102968 2.3239e-06 deg
peri 329.3260964096394 6.4787e-06 deg
M 61.58863806279138 8.0135e-06 deg
tp 2459132.164982709753
(2020-Oct-09.66498271)
8.8487e-06 TDB
period 399.4341651037619
1.09
6.0833e-07
1.666e-09
d
yr
n .9012749320191026 1.3726e-09 deg/d
Q 1.348124075218575 1.3688e-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 = .198482 au 
 Jupiter MOID = 3.63638 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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