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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1008126858341306 4.244e-08  
a 2.776949832321399 1.7355e-08 au
q 2.49699806129844 1.1915e-07 au
i 4.284080077895976 4.6425e-06 deg
node 58.87118644473412 6.2652e-05 deg
peri 282.8461815589579 6.6582e-05 deg
M 188.3257103575365 2.4392e-05 deg
tp 2459406.533767179526
(2021-Jul-11.03376718)
0.00011688 TDB
period 1690.248183283325
4.63
1.5845e-05
4.338e-08
d
yr
n .212986473560762 1.9966e-09 deg/d
Q 3.056901603344357 1.9104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      7506 days (20.55 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59992  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:40:08  

Additional Information
 Earth MOID = 1.49232 au 
 Jupiter MOID = 2.2984 au 
 T_jup = 3.323 
[ 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 14.9   n/a MPO436110  
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

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