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79742 (1998 SN142)
Classification: Main-belt Asteroid          SPK-ID: 2079742
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08867733780531314 4.3376e-08  
a 2.759907734510163 1.9132e-08 au
q 2.515166464025509 1.2189e-07 au
i 5.234492818893321 4.1713e-06 deg
node 112.2823385201364 5.3458e-05 deg
peri 272.0244394728324 5.8478e-05 deg
M 342.7821794398382 2.5824e-05 deg
tp 2459476.596944445351
(2021-Sep-19.09694445)
0.00012048 TDB
period 1674.712539811446
4.59
1.7414e-05
4.768e-08
d
yr
n .2149622645331908 2.2352e-09 deg/d
Q 3.004649004994818 2.0829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      741  
   data-arc span      8416 days (23.04 yr)  
   first obs. used      1996-04-21  
   last obs. used      2019-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:43:27  

Additional Information
 Earth MOID = 1.52473 au 
 Jupiter MOID = 2.40352 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456693.5 (2014-Feb-05.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09142039255864901 4.3374e-08  
q 2.506904232229351 1.2238e-07 au
tp 2456133.079534861291
(2012-Jul-24.57953486)
0.00010811 TDB
node 112.313957637358 5.3473e-05 deg
peri 273.1977517060064 5.8213e-05 deg
i 5.234206681104676 4.1729e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      741  
   data-arc span      8416 days (23.04 yr)  
   first obs. used      1996-04-21  
   last obs. used      2019-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:43:27  

Additional Information
 Jupiter MOID = 2.40352 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.881307729969621E-15 -5.256940779122763E-15 1.258003560860594E-13 2.663117944145403E-15 2.00039640277379E-14 4.962984626828152E-16
q -5.256940779122763E-15 1.497597567991663E-14 -1.349684148514173E-13 -6.99789989703722E-15 8.086769001617437E-15 -1.017384905361083E-15
tp 1.258003560860594E-13 -1.349684148514173E-13 1.168804199357614E-8 -1.787419969685448E-11 2.517888663773608E-9 -6.366595627101481E-13
node 2.663117944145403E-15 -6.99789989703722E-15 -1.787419969685448E-11 2.859409627664865E-9 -2.850965933806286E-9 -1.556150269241489E-11
peri 2.00039640277379E-14 8.086769001617437E-15 2.517888663773608E-9 -2.850965933806286E-9 3.388811485676924E-9 1.538282176057359E-11
i 4.962984626828152E-16 -1.017384905361083E-15 -6.366595627101481E-13 -1.556150269241489E-11 1.538282176057359E-11 1.74129939156954E-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 MPO436338  
diameter diameter 3.313 km 1.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79742 (1998 SN142)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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