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52169 (1494 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2052169
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01239031272187885 3.1307e-08  
a 2.579878343483839 1.071e-08 au
q 2.547912844023672 8.3453e-08 au
i 1.554333225069199 3.3037e-06 deg
node 74.18216176645456 0.00013325 deg
peri 146.9874574956988 0.00019462 deg
M 285.0744511137495 0.00014271 deg
tp 2459515.510260331305
(2021-Oct-28.01026033)
0.00060018 TDB
period 1513.551724411598
4.14
9.4247e-06
2.58e-08
d
yr
n .2378511379516627 1.4811e-09 deg/d
Q 2.611843842944007 1.0842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      17351 days (47.50 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53009  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:13  

Additional Information
 Earth MOID = 1.53596 au 
 Jupiter MOID = 2.34522 au 
 T_jup = 3.425 
[ 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 15.58   n/a MPCxxxxx  

52169 (1494 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1494 T-2 = 1992 DP6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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