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46981 (1998 SQ160)
Classification: Main-belt Asteroid          SPK-ID: 2046981
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007067285991223 3.6522e-08  
a 2.779330897161519 1.5167e-08 au
q 2.499433574813919 1.0673e-07 au
i 4.280656228376118 4.4487e-06 deg
node 58.80306927499959 5.0361e-05 deg
peri 281.9933798504132 5.4971e-05 deg
M 358.6313321195245 2.2896e-05 deg
tp 2459402.934345611242
(2021-Jul-07.43434561)		 0.00010765 TDB
period 1692.422576061502
4.63		 1.3853e-05
3.793e-08		 d
yr
n .2127128325348679 1.7411e-09 deg/d
Q 3.059228219509119 1.6694e-08 au
   Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      8308 days (22.75 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56996  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:48:57  

Additional Information
 Earth MOID = 1.49466 au 
 Jupiter MOID = 2.29241 au 
 T_jup = 3.322 
[ 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 14.93   n/a MPO614063  
diameter diameter 3.544 km 1.427 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.185   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46981 (1998 SQ160)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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