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85747 (1998 SL132)
Classification: Main-belt Asteroid          SPK-ID: 2085747
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727162460389114 4.4177e-08  
a 2.240168210443538 8.4225e-09 au
q 1.853254766640024 9.7919e-08 au
i 4.957282892089255 4.7539e-06 deg
node 336.3548101230954 4.1272e-05 deg
peri 345.4900079988415 4.2792e-05 deg
M 324.1209829703871 1.2514e-05 deg
tp 2459518.555514954698
(2021-Oct-31.05551495)
4.276e-05 TDB
period 1224.670824939976
3.35
6.9067e-06
1.891e-08
d
yr
n .2939565413568537 1.6578e-09 deg/d
Q 2.627081654247052 9.8772e-09 au
  Orbit Determination Parameters
   # obs. used (total)      780  
   data-arc span      8321 days (22.78 yr)  
   first obs. used      1998-09-26  
   last obs. used      2021-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48953  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:03:41  

Additional Information
 Earth MOID = .840612 au 
 Jupiter MOID = 2.68136 au 
 T_jup = 3.610 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.99   n/a E2021B10  
diameter diameter 2.619 km 0.571 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16.792 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.135   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85747 (1998 SL132)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 SL132 = 2000 DA28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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