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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724692022133993 4.5048e-08  
a 2.240332116199312 8.6051e-09 au
q 1.85394382342536 9.9604e-08 au
i 4.957010134248321 4.7861e-06 deg
node 336.3539716887113 4.1338e-05 deg
peri 345.4593072079455 4.2883e-05 deg
M 207.7287336706144 1.2543e-05 deg
tp 2459518.562900438760
(2021-Oct-31.06290044)
4.3498e-05 TDB
period 1224.805235115864
3.35
7.0567e-06
1.932e-08
d
yr
n .293924282554152 1.6934e-09 deg/d
Q 2.626720408973264 1.0089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      7878 days (21.57 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49133  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:40:10  

Additional Information
 Earth MOID = .841991 au 
 Jupiter MOID = 2.68246 au 
 T_jup = 3.610 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457470.5 (2016-Mar-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1731282486036879 4.5139e-08  
q 1.852082866678068 9.9855e-08 au
tp 2457068.221521354732
(2015-Feb-14.72152135)
4.1176e-05 TDB
node 336.4113487545926 4.129e-05 deg
peri 345.2601872586936 4.2825e-05 deg
i 4.961034932381168 4.7886e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      7878 days (21.57 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49133  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:40:10  

Additional Information
 Jupiter MOID = 2.68246 au 
 T_jup = 3.610 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.037511866842591E-15 -4.496518580801406E-15 7.990917513009543E-13 1.524345836433662E-14 1.816259191485043E-13 2.638662575043749E-16
q -4.496518580801406E-15 9.970986460300543E-15 -1.794325743392154E-12 -3.421237409561853E-14 -4.05853707400148E-13 -4.654658787387392E-16
tp 7.990917513009543E-13 -1.794325743392154E-12 1.69550074014316E-9 2.290994887147537E-12 4.758534925276795E-10 -4.075536208925439E-13
node 1.524345836433662E-14 -3.421237409561853E-14 2.290994887147537E-12 1.704904619026134E-9 -1.697395926666408E-9 3.098583114306127E-11
peri 1.816259191485043E-13 -4.05853707400148E-13 4.758534925276795E-10 -1.697395926666408E-9 1.834015075875083E-9 -3.099458705115843E-11
i 2.638662575043749E-16 -4.654658787387392E-16 -4.075536208925439E-13 3.098583114306127E-11 -3.099458705115843E-11 2.293089899867867E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO459397  
diameter diameter 2.619 km 0.571 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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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