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46951 (1998 SQ118)
Classification: Main-belt Asteroid          SPK-ID: 2046951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .220340523519286 4.4545e-08  
a 2.566705421937774 1.0543e-08 au
q 2.001156205548215 1.1543e-07 au
i 7.42492351873527 4.2401e-06 deg
node 194.1886263257935 3.4871e-05 deg
peri 122.4181256175568 3.6058e-05 deg
M 184.9884172660021 1.2991e-05 deg
tp 2459930.674665752034
(2022-Dec-17.17466575)
5.7692e-05 TDB
period 1501.974186875736
4.11
9.2542e-06
2.534e-08
d
yr
n .2396845452775975 1.4768e-09 deg/d
Q 3.132254638327332 1.2866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1372  
   data-arc span      8754 days (23.97 yr)  
   first obs. used      1997-04-01  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:41:04  

Additional Information
 Earth MOID = .998035 au 
 Jupiter MOID = 2.23685 au 
 T_jup = 3.386 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.36   n/a MPCxxxxx  
diameter diameter 3.245 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.384   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46951 (1998 SQ118)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SQ118 = 2000 AJ182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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