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46499 (2409 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2046499
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500358336273379 3.4056e-08  
a 2.368747492486377 9.4432e-09 au
q 2.013350487798517 8.2249e-08 au
i 2.08576215637006 4.885e-06 deg
node 333.3256196754091 0.0001029 deg
peri 298.2782642365028 0.00010426 deg
M 36.57857188910903 1.6604e-05 deg
tp 2459065.199057123761
(2020-Aug-03.69905712)
6.1287e-05 TDB
period 1331.608559872418
3.65
7.9629e-06
2.18e-08
d
yr
n .2703497190153926 1.6167e-09 deg/d
Q 2.724144497174236 1.086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      15592 days (42.69 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:35  

Additional Information
 Earth MOID = .996341 au 
 Jupiter MOID = 2.3738 au 
 T_jup = 3.530 
[ 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 16.3   n/a MPO468328  
diameter diameter 3.295 km 0.664 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.054   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

46499 (2409 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2409 T-3 = 1999 TG180 = 2001 BY80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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