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46867 (1998 QN91)
Classification: Main-belt Asteroid          SPK-ID: 2046867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2241561519874448 5.725e-08  
a 2.523097165629552 8.6001e-09 au
q 1.957529413891603 1.4413e-07 au
i 14.46544819628978 5.1892e-06 deg
node 1.250367687237512 1.2862e-05 deg
peri 333.3292454704343 1.5894e-05 deg
M 175.64018878173 1.0986e-05 deg
tp 2458286.298455730813
(2018-Jun-16.79845573)
4.3702e-05 TDB
period 1463.859482959358
4.01
7.4845e-06
2.049e-08
d
yr
n .2459252436389723 1.2574e-09 deg/d
Q 3.088664917367502 1.0528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1521  
   data-arc span      25461 days (69.71 yr)  
   first obs. used      1950-08-14  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:54  

Additional Information
 Earth MOID = .959426 au 
 Jupiter MOID = 2.34675 au 
 T_jup = 3.377 
[ 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 14.4   n/a MPO365800  
diameter diameter 8.630 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46867 (1998 QN91)          Discovered 1998-Aug-28 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QN91 = 1986 TM17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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