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46976 (1998 SE140)
Classification: Main-belt Asteroid          SPK-ID: 2046976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081274897304344 3.7059e-08  
a 2.546268382020703 9.3236e-09 au
q 2.27094677369283 9.6273e-08 au
i 9.30236954425787 4.0506e-06 deg
node 359.1672498576888 1.7062e-05 deg
peri 346.0052775530659 2.1933e-05 deg
M 246.15886182005 1.4464e-05 deg
tp 2459865.800936848637
(2022-Oct-13.30093685)
6.0805e-05 TDB
period 1484.071048186911
4.06
8.1513e-06
2.232e-08
d
yr
n .2425759874770227 1.3323e-09 deg/d
Q 2.821589990348577 1.0332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      10707 days (29.31 yr)  
   first obs. used      1992-03-04  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5077  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:27:03  

Additional Information
 Earth MOID = 1.26452 au 
 Jupiter MOID = 2.58488 au 
 T_jup = 3.416 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457432.5 (2016-Feb-14.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081850584939414 3.7158e-08  
q 2.271159457813571 9.654e-08 au
tp 2456891.960500363611
(2014-Aug-22.46050036)
5.4668e-05 TDB
node 359.2115762041635 1.7046e-05 deg
peri 344.9888969691019 2.1903e-05 deg
i 9.308311191821588 4.0515e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      10707 days (29.31 yr)  
   first obs. used      1992-03-04  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5077  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:27:03  

Additional Information
 Jupiter MOID = 2.58488 au 
 T_jup = 3.416 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.380722154048696E-15 -3.574321422421266E-15 2.816448358115858E-13 -2.607994729395628E-15 6.287474004132304E-14 2.521800230068825E-15
q -3.574321422421266E-15 9.319924766957924E-15 -6.054686521090564E-13 6.05821697989244E-15 -1.271441524506496E-13 -6.529073958233313E-15
tp 2.816448358115858E-13 -6.054686521090564E-13 2.98858251335952E-9 -1.174228535290735E-11 7.566660798194296E-10 -9.364263656351801E-13
node -2.607994729395628E-15 6.05821697989244E-15 -1.174228535290735E-11 2.905508738093561E-10 -2.894021152497028E-10 9.517515802283766E-13
peri 6.287474004132304E-14 -1.271441524506496E-13 7.566660798194296E-10 -2.894021152497028E-10 4.797392139823216E-10 -1.177260361398817E-12
i 2.521800230068825E-15 -6.529073958233313E-15 -9.364263656351801E-13 9.517515802283766E-13 -1.177260361398817E-12 1.641445596629629E-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 14.66   n/a E2021B10  
diameter diameter 3.532 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.7515 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.224   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46976 (1998 SE140)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SE140 = 1996 BN10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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