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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09008461353336274 4.344e-08  
a 2.761873655401964 1.8674e-08 au
q 2.513071334527102 1.2271e-07 au
i 5.235170612861739 4.1744e-06 deg
node 112.2906865472551 5.3527e-05 deg
peri 271.9282125228128 5.8403e-05 deg
M 257.9259172878397 2.5168e-05 deg
tp 2459475.853967587478
(2021-Sep-18.35396759)
0.00011915 TDB
period 1676.502240182319
4.59
1.7003e-05
4.655e-08
d
yr
n .2147327879268745 2.1778e-09 deg/d
Q 3.010675976276826 2.0356e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:48:53  

Additional Information
 Earth MOID = 1.52337 au 
 Jupiter MOID = 2.40214 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456699.5 (2014-Feb-11.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09142435351839327 4.3487e-08  
q 2.506863591177029 1.2286e-07 au
tp 2456133.052073568882
(2012-Jul-24.55207357)
0.00010812 TDB
node 112.3140115453871 5.3579e-05 deg
peri 273.1901149156074 5.8309e-05 deg
i 5.234211120821526 4.174e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:48:53  

Additional Information
 Jupiter MOID = 2.40214 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.891130828207507E-15 -5.2908738024215E-15 1.302856060128823E-13 2.632627848224381E-15 2.010075396559103E-14 4.918554473888308E-16
q -5.2908738024215E-15 1.509351564316339E-14 -1.501520392583294E-13 -6.895861176132473E-15 7.869428924760598E-15 -1.001855900550172E-15
tp 1.302856060128823E-13 -1.501520392583294E-13 1.168917048664536E-8 -1.781844360797587E-11 2.517755350535345E-9 -6.404245038393834E-13
node 2.632627848224381E-15 -6.895861176132473E-15 -1.781844360797587E-11 2.870670450238402E-9 -2.862164610814311E-9 -1.588044087684624E-11
peri 2.010075396559103E-14 7.869428924760598E-15 2.517755350535345E-9 -2.862164610814311E-9 3.399949570500866E-9 1.570001018187996E-11
i 4.918554473888308E-16 -1.001855900550172E-15 -6.404245038393834E-13 -1.588044087684624E-11 1.570001018187996E-11 1.742215936749413E-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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