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JPL Small-Body Database Browser
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11954 (1994 BY)
Classification: Main-belt Asteroid          SPK-ID: 2011954
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100779629361351 4.3115e-08  
a 2.224756443528672 7.0616e-09 au
q 1.979859786195995 9.7762e-08 au
i 5.160674429417766 4.5109e-06 deg
node 35.77740779213632 4.5156e-05 deg
peri 108.4705874228597 4.9577e-05 deg
M 201.3000014224934 2.1741e-05 deg
tp 2459134.814006463616
(2020-Oct-12.31400646)
7.4297e-05 TDB
period 1212.054467870455
3.32
5.7708e-06
1.58e-08
d
yr
n .2970163549106087 1.4141e-09 deg/d
Q 2.469653100861349 7.839e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1408  
   data-arc span      11017 days (30.16 yr)  
   first obs. used      1989-09-30  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50159  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:20:41  

Additional Information
 Earth MOID = .999291 au 
 Jupiter MOID = 2.53721 au 
 T_jup = 3.633 
[ 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 14.6   n/a MPO279642  

11954 (1994 BY)          Discovered 1994-Jan-22 by Shiozawa, H., Urata, T. at Fujieda
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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