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46481 (1198 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2046481
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05874391963353576 4.3163e-08  
a 2.649193156369218 1.3689e-08 au
q 2.493569166497752 1.1619e-07 au
i 1.049550587406717 3.8269e-06 deg
node 302.9752547413206 0.00025308 deg
peri 86.83053179733992 0.00025545 deg
M 181.1503017619502 3.6613e-05 deg
tp 2459382.946360023699
(2021-Jun-17.44636002)
0.00016307 TDB
period 1574.957589436989
4.31
1.2207e-05
3.342e-08
d
yr
n .2285775835581018 1.7717e-09 deg/d
Q 2.804817146240685 1.4493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      16670 days (45.64 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56291  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:33:42  

Additional Information
 Earth MOID = 1.49783 au 
 Jupiter MOID = 2.45029 au 
 T_jup = 3.388 
[ 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 15.0   n/a MPO436107  
diameter diameter 3.328 km 0.523 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.145   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46481 (1198 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1198 T-2 = 1999 TW5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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