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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03893734242403175 5.4787e-08  
a 2.591887679563929 1.3169e-08 au
q 2.490966461460119 1.4308e-07 au
i 10.2042658897057 5.9955e-06 deg
node 41.38334331769277 2.297e-05 deg
peri 174.2983057571742 6.2447e-05 deg
M 346.8382697313445 5.5474e-05 deg
tp 2459056.222831728297
(2020-Jul-25.72283173)
0.00023473 TDB
period 1524.132390857451
4.17
1.1616e-05
3.18e-08
d
yr
n .2361999535994837 1.8002e-09 deg/d
Q 2.692808897667738 1.3682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      12023 days (32.92 yr)  
   first obs. used      1987-05-30  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:32:09  

Additional Information
 Earth MOID = 1.48337 au 
 Jupiter MOID = 2.27131 au 
 T_jup = 3.396 
[ 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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