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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2243323992549795 5.4075e-08  
a 2.522685103460259 8.4963e-09 au
q 1.956765101636223 1.3641e-07 au
i 14.46750631194712 5.1725e-06 deg
node 1.248054444380406 1.259e-05 deg
peri 333.3567945488019 1.566e-05 deg
M 224.7990867572623 1.091e-05 deg
tp 2459750.129602410199
(2022-Jun-19.62960241)
4.5293e-05 TDB
period 1463.500890060003
4.01
7.3935e-06
2.024e-08
d
yr
n .2459855012354931 1.2427e-09 deg/d
Q 3.088605105284294 1.0402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1576  
   data-arc span      25784 days (70.59 yr)  
   first obs. used      1950-08-14  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47662  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:40:29  

Additional Information
 Earth MOID = .956848 au 
 Jupiter MOID = 2.34739 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 14.43   n/a E2021B10  
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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