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46476 (4208 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2046476
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140678393780541 3.9599e-08  
a 2.237180275820408 9.628e-09 au
q 1.981989955458375 8.9144e-08 au
i 2.25801134309442 4.9868e-06 deg
node 138.0683277793895 0.00012856 deg
peri 343.2634131348212 0.00013141 deg
M 303.3205511051402 2.8973e-05 deg
tp 2459192.930105305227
(2020-Dec-09.43010531)
9.9003e-05 TDB
period 1222.221444643652
3.35
7.89e-06
2.16e-08
d
yr
n .2945456419355829 1.9014e-09 deg/d
Q 2.492370596182441 1.0726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      17754 days (48.61 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54285  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:27:21  

Additional Information
 Earth MOID = .997923 au 
 Jupiter MOID = 2.56081 au 
 T_jup = 3.628 
[ 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 16.1   n/a MPO426238  

46476 (4208 T-1)          Discovered 1971-Mar-26 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
 4208 T-1 = 2001 DL69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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