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46630 (1994 SA11)
Classification: Main-belt Asteroid          SPK-ID: 2046630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101817440575089 5.6227e-08  
a 2.59202727447299 1.2586e-08 au
q 2.328113691485326 1.4829e-07 au
i 1.239806993654666 3.9723e-06 deg
node 101.2569338043721 0.0002811 deg
peri 274.496407683587 0.00028189 deg
M 47.62657613331 1.9778e-05 deg
tp 2458798.847022953830
(2019-Nov-11.34702295)
8.389e-05 TDB
period 1524.255523500636
4.17
1.1102e-05
3.04e-08
d
yr
n .2361808728586508 1.7202e-09 deg/d
Q 2.855940857460653 1.3868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      9258 days (25.35 yr)  
   first obs. used      1994-09-29  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:31:44  

Additional Information
 Earth MOID = 1.32954 au 
 Jupiter MOID = 2.60309 au 
 T_jup = 3.411 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO493181  

46630 (1994 SA11)          Discovered 1994-Sep-29 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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