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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03896941623251463 5.4391e-08  
a 2.592037865984707 1.2869e-08 au
q 2.49102766349471 1.4222e-07 au
i 10.20392897427912 5.9646e-06 deg
node 41.38204220841646 2.2481e-05 deg
peri 174.4940209580045 6.1915e-05 deg
M 33.89491188127119 5.4978e-05 deg
tp 2459056.986601888116
(2020-Jul-26.48660189)
0.00023313 TDB
period 1524.264866102982
4.17
1.1352e-05
3.108e-08
d
yr
n .2361794252467391 1.7589e-09 deg/d
Q 2.693048068474704 1.337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      12053 days (33.00 yr)  
   first obs. used      1987-05-30  
   last obs. used      2020-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54088  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:48:03  

Additional Information
 Earth MOID = 1.48228 au 
 Jupiter MOID = 2.27001 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 14.86   n/a E2021B10  

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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