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46975 (1998 SC140)
Classification: Main-belt Asteroid          SPK-ID: 2046975
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1491975424875402 4.3011e-08  
a 2.616002861493646 1.2536e-08 au
q 2.225701663418421 1.1732e-07 au
i 13.64343548015714 6.0322e-06 deg
node 216.8215192957026 1.6e-05 deg
peri 218.0736336514773 2.5378e-05 deg
M 3.181783581892758 1.9094e-05 deg
tp 2458986.840843383702
(2020-May-17.34084338)
8.1936e-05 TDB
period 1545.452811388879
4.23
1.1109e-05
3.041e-08
d
yr
n .2329414378407792 1.6744e-09 deg/d
Q 3.006304059568871 1.4406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      8031 days (21.99 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 17:57:29  

Additional Information
 Earth MOID = 1.25454 au 
 Jupiter MOID = 2.3728 au 
 T_jup = 3.352 
[ 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 14.5   n/a MPO502469  
diameter diameter 3.606 km 0.757 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.284   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46975 (1998 SC140)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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