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46617 (1994 BD1)
Classification: Main-belt Asteroid          SPK-ID: 2046617
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453739439528543 3.0378e-08  
a 2.198232063969868 6.2872e-09 au
q 1.878666399106945 6.4897e-08 au
i 6.463780421812765 3.9975e-06 deg
node 7.458196816013048 3.4508e-05 deg
peri 45.71827925745215 3.9119e-05 deg
M 92.86439239125333 1.7428e-05 deg
tp 2458693.417226028771
(2019-Jul-28.91722603)
5.744e-05 TDB
period 1190.44335275331
3.26
5.1072e-06
1.398e-08
d
yr
n .3024083415371055 1.2974e-09 deg/d
Q 2.517797728832791 7.2011e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1314  
   data-arc span      9597 days (26.28 yr)  
   first obs. used      1994-01-19  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:34:09  

Additional Information
 Earth MOID = .895422 au 
 Jupiter MOID = 2.83919 au 
 T_jup = 3.645 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457199.5 (2015-Jun-26.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448107985850908 3.0374e-08  
q 1.880191156729302 6.488e-08 au
tp 2457501.484014462910
(2016-Apr-22.98401446)
5.7393e-05 TDB
node 7.500840693687814 3.4467e-05 deg
peri 45.35551569928346 3.9149e-05 deg
i 6.468239951314841 4e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1314  
   data-arc span      9597 days (26.28 yr)  
   first obs. used      1994-01-19  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:34:09  

Additional Information
 Jupiter MOID = 2.83919 au 
 T_jup = 3.645 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.225890178332474E-16 -1.964917482575982E-15 -1.729304473623389E-13 4.714327944244924E-15 -1.015873987841998E-13 -8.687259170609594E-16
q -1.964917482575982E-15 4.209441234838334E-15 3.989877123812612E-13 -9.383067741392919E-15 2.231607720855547E-13 1.71683972877187E-15
tp -1.729304473623389E-13 3.989877123812612E-13 3.294000269178469E-9 -9.82596841934996E-12 1.075038130354483E-9 -5.459887026861165E-12
node 4.714327944244924E-15 -9.383067741392919E-15 -9.82596841934996E-12 1.187985539935945E-9 -1.183558602956092E-9 -5.645523029068443E-11
peri -1.015873987841998E-13 2.231607720855547E-13 1.075038130354483E-9 -1.183558602956092E-9 1.532609691285168E-9 5.443629860825949E-11
i -8.687259170609594E-16 1.71683972877187E-15 -5.459887026861165E-12 -5.645523029068443E-11 5.443629860825949E-11 1.600015952777005E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO449295  
diameter diameter 2.373 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.314   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46617 (1994 BD1)          Discovered 1994-Jan-19 by Kobayashi, T. at Oizumi
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 BD1 = 1999 TE4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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