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101264 (1998 SW105)
Classification: Main-belt Asteroid          SPK-ID: 2101264
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469792613014463 4.058e-08  
a 3.067820720303025 1.9274e-08 au
q 2.616914697027615 1.218e-07 au
i 11.29704379693381 4.5553e-06 deg
node 178.1532724056541 2.0413e-05 deg
peri 221.1012694853403 2.5656e-05 deg
M 26.34507492508257 1.3763e-05 deg
tp 2459056.871597953781
(2020-Jul-26.37159795)
7.5193e-05 TDB
period 1962.652407847606
5.37
1.8496e-05
5.064e-08
d
yr
n .1834252456321613 1.7286e-09 deg/d
Q 3.518726743578434 2.2107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      9088 days (24.88 yr)  
   first obs. used      1996-03-27  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54341  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:59  

Additional Information
 Earth MOID = 1.63411 au 
 Jupiter MOID = 1.97297 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457697.5 (2016-Nov-05.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455335019868988 4.0591e-08  
q 2.623835531175462 1.2093e-07 au
tp 2457078.881454444398
(2015-Feb-25.38145444)
8.0804e-05 TDB
node 178.3866610004643 2.0272e-05 deg
peri 218.846812991103 2.5798e-05 deg
i 11.33005569002808 4.5687e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      9088 days (24.88 yr)  
   first obs. used      1996-03-27  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54341  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:59  

Additional Information
 Jupiter MOID = 1.97297 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.647654994123708E-15 -4.866958148762296E-15 -5.1018484659012E-13 1.268193482569556E-15 -8.142680961638841E-14 -3.771001314606042E-15
q -4.866958148762296E-15 1.462494133712985E-14 1.213356154809856E-12 -2.962153743809548E-15 2.012178509292891E-13 1.199563278673201E-14
tp -5.1018484659012E-13 1.213356154809856E-12 6.529270601833198E-9 -3.71291941113167E-12 1.304794380847622E-9 -3.67141207936512E-12
node 1.268193482569556E-15 -2.962153743809548E-15 -3.71291941113167E-12 4.109572531085543E-10 -4.032020455661784E-10 1.546937951288228E-11
peri -8.142680961638841E-14 2.012178509292891E-13 1.304794380847622E-9 -4.032020455661784E-10 6.655620928923693E-10 -1.598841710768972E-11
i -3.771001314606042E-15 1.199563278673201E-14 -3.67141207936512E-12 1.546937951288228E-11 -1.598841710768972E-11 2.087314210553414E-11

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 15.0   n/a MPO439693  
diameter diameter 3.089 km 0.486 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.203   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101264 (1998 SW105)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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