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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05691196675554128 3.5675e-08  
a 2.649564745495601 1.1895e-08 au
q 2.498772804783301 1.0014e-07 au
i 1.050094144287814 3.4832e-06 deg
node 302.9196358683564 0.00018773 deg
peri 87.23364415123059 0.00019072 deg
M 317.7297833331762 3.5164e-05 deg
tp 2459385.466127778669
(2021-Jun-19.96612778)
0.00015443 TDB
period 1575.288968239023
4.31
1.0608e-05
2.904e-08
d
yr
n .2285294998303931 1.5389e-09 deg/d
Q 2.800356686207901 1.2572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1289  
   data-arc span      17243 days (47.21 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53655  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:27  

Additional Information
 Earth MOID = 1.50257 au 
 Jupiter MOID = 2.44322 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 15.08   n/a E2021B10  
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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