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JPL Small-Body Database Browser
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46331 (2001 QB264)
Classification: Main-belt Asteroid          SPK-ID: 2046331
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03908262189046692 6.0293e-08  
a 2.592671944553948 1.5415e-08 au
q 2.491343527258925 1.5432e-07 au
i 10.20393293929622 6.5709e-06 deg
node 41.39136050195274 2.3926e-05 deg
peri 173.8630836091826 6.2554e-05 deg
M 252.8063541450157 5.5393e-05 deg
tp 2459054.531851410458
(2020-Jul-24.03185141)
0.00023358 TDB
period 1524.824211398578
4.17
1.3599e-05
3.723e-08
d
yr
n .2360927884728469 2.1056e-09 deg/d
Q 2.694000361848972 1.6017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      11562 days (31.66 yr)  
   first obs. used      1987-05-30  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57148  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:37:08  

Additional Information
 Earth MOID = 1.48397 au 
 Jupiter MOID = 2.27092 au 
 T_jup = 3.395 
[ 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 14.8   n/a MPO385112  

46331 (2001 QB264)          Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 QB264 = 1987 KN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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