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101282 (1998 SC118)
Classification: Main-belt Asteroid          SPK-ID: 2101282
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2085448516162534 4.058e-08  
a 2.362920603883584 8.3795e-09 au
q 1.870145677165695 9.4187e-08 au
i 1.251552394562238 5.3241e-06 deg
node 245.6920562297407 0.00019693 deg
peri 104.5300941426392 0.00019736 deg
M 2.608453033264334 1.3086e-05 deg
tp 2458990.887139469644
(2020-May-21.38713947)
4.8202e-05 TDB
period 1326.698141310678
3.63
7.0572e-06
1.932e-08
d
yr
n .2713503462395349 1.4434e-09 deg/d
Q 2.855695530601474 1.0127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      9623 days (26.35 yr)  
   first obs. used      1994-07-11  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:01  

Additional Information
 Earth MOID = .864626 au 
 Jupiter MOID = 2.57736 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457413.5 (2016-Jan-26.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094246405627561 4.0578e-08  
q 1.867795976829634 9.4274e-08 au
tp 2457665.055133695232
(2016-Oct-03.55513370)
4.5487e-05 TDB
node 245.7175214387864 0.00019698 deg
peri 104.7685884365518 0.00019741 deg
i 1.251238281901057 5.3258e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      9623 days (26.35 yr)  
   first obs. used      1994-07-11  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:01  

Additional Information
 Jupiter MOID = 2.57736 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.64659161934516E-15 -3.816959617624476E-15 4.721794850374164E-13 -3.505290648601182E-15 9.886318184802077E-14 -4.820302171769481E-16
q -3.816959617624476E-15 8.887655939202455E-15 -1.032653682683949E-12 5.874691524174392E-15 -2.129586693688852E-13 1.206138963884734E-15
tp 4.721794850374164E-13 -1.032653682683949E-12 2.069035860000521E-9 -2.3091085696755E-11 6.023454620738701E-10 -4.26330286067876E-13
node -3.505290648601182E-15 5.874691524174392E-15 -2.3091085696755E-11 3.880203912576861E-8 -3.879868721468608E-8 -1.189974855067288E-10
peri 9.886318184802077E-14 -2.129586693688852E-13 6.023454620738701E-10 -3.879868721468608E-8 3.89706228018556E-8 1.188862826108203E-10
i -4.820302171769481E-16 1.206138963884734E-15 -4.26330286067876E-13 -1.189974855067288E-10 1.188862826108203E-10 2.836458127239377E-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 16.5   n/a MPO436473  
diameter diameter 1.576 km 0.335 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.163   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101282 (1998 SC118)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SC118 = 1994 NT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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