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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498098251087676 3.4123e-08  
a 2.368324183457695 9.7232e-09 au
q 2.013525951733033 8.2262e-08 au
i 2.085509261394129 5.1696e-06 deg
node 333.3340793674257 0.0001036 deg
peri 298.3635925391093 0.00010511 deg
M 342.4367126299408 1.8123e-05 deg
tp 2459065.447652437416
(2020-Aug-03.94765244)
6.7114e-05 TDB
period 1331.251626465341
3.64
8.1982e-06
2.245e-08
d
yr
n .2704222048207747 1.6653e-09 deg/d
Q 2.723122415182357 1.118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      15579 days (42.65 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:40:47  

Additional Information
 Earth MOID = .998326 au 
 Jupiter MOID = 2.37601 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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