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15660 (3025 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2015660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869228797231429 3.8462e-08  
a 2.301116061239462 5.663e-09 au
q 1.870984820495406 8.7885e-08 au
i 2.356912889090432 3.0753e-06 deg
node 121.8089943067517 8.5812e-05 deg
peri 257.5353941224201 8.6179e-05 deg
M 176.0927174844263 8.5416e-06 deg
tp 2458576.843996639859
(2019-Apr-03.34399664)
2.9301e-05 TDB
period 1274.988338058369
3.49
4.7066e-06
1.289e-08
d
yr
n .2823555237754019 1.0423e-09 deg/d
Q 2.731247301983518 6.7215e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1405  
   data-arc span      17344 days (47.49 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5377  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:05:21  

Additional Information
 Earth MOID = .873534 au 
 Jupiter MOID = 2.73034 au 
 T_jup = 3.567 
[ 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 15.40   n/a E2021B10  

15660 (3025 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3025 T-2 = 1980 RF2 = 1987 SB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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