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91152 (1998 QW41)
Classification: Main-belt Asteroid          SPK-ID: 2091152
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575425389450318 7.2514e-08  
a 3.130972742062831 2.0395e-08 au
q 2.637711346910565 2.2853e-07 au
i 18.06042317981068 7.5238e-06 deg
node 345.1094260255317 1.6775e-05 deg
peri 13.11764504955525 2.5754e-05 deg
M 323.9384324969367 1.7869e-05 deg
tp 2459203.202664101243
(2020-Dec-19.70266410)
0.00010086 TDB
period 2023.565921538181
5.54
1.9772e-05
5.413e-08
d
yr
n .1779037668940144 1.7383e-09 deg/d
Q 3.624234137215097 2.3608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1998-07-31  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:15:33  

Additional Information
 Earth MOID = 1.63566 au 
 Jupiter MOID = 1.82535 au 
 T_jup = 3.118 
[ 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 13.7   n/a MPO359380  
diameter diameter 11.561 km 1.862 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.053   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91152 (1998 QW41)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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