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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2238825263557222 6.1641e-08  
a 2.523423638496146 8.7662e-09 au
q 1.958473179243881 1.5577e-07 au
i 14.46344296504601 6.3468e-06 deg
node 1.265946750725095 1.3933e-05 deg
peri 333.3100491274363 1.8361e-05 deg
M 77.30957963538872 1.2651e-05 deg
tp 2458286.076868665813
(2018-Jun-16.57686867)
5.1288e-05 TDB
period 1464.143613432523
4.01
7.6295e-06
2.089e-08
d
yr
n .2458775195938736 1.2812e-09 deg/d
Q 3.088374097748412 1.0729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      25039 days (68.55 yr)  
   first obs. used      1950-08-14  
   last obs. used      2019-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48005  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:40  

Additional Information
 Earth MOID = .959481 au 
 Jupiter MOID = 2.34354 au 
 T_jup = 3.376 
[ 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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