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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077753140746427 4.3767e-08  
a 2.547128201812697 9.9684e-09 au
q 2.272610659873953 1.1165e-07 au
i 9.300594886312439 4.4175e-06 deg
node 359.1685178153322 1.9682e-05 deg
peri 345.9193012190819 2.4986e-05 deg
M 150.2153996700887 1.493e-05 deg
tp 2458380.935407493697
(2018-Sep-19.43540749)
6.0725e-05 TDB
period 1484.822819711753
4.07
8.7165e-06
2.386e-08
d
yr
n .2424531703182515 1.4233e-09 deg/d
Q 2.82164574375144 1.1043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1517  
   data-arc span      10197 days (27.92 yr)  
   first obs. used      1992-03-04  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:38:35  

Additional Information
 Earth MOID = 1.26699 au 
 Jupiter MOID = 2.5845 au 
 T_jup = 3.416 
[ show covariance matrix ]

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 14.6   n/a MPO309516  
diameter diameter 3.532 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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

[ show close-approach data ]
Alternate Designations
 1998 SE140 = 1996 BN10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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