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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1867457600709326 3.8996e-08  
a 2.301473547648087 5.6913e-09 au
q 1.8716831207094 8.9062e-08 au
i 2.356866903693215 3.1095e-06 deg
node 121.8081795486148 8.5848e-05 deg
peri 257.5556704678586 8.6228e-05 deg
M 119.611927809936 8.4856e-06 deg
tp 2458576.779576584148
(2019-Apr-03.27957658)
2.9445e-05 TDB
period 1275.285460427431
3.49
4.7305e-06
1.295e-08
d
yr
n .2822897391767806 1.0471e-09 deg/d
Q 2.731263974586775 6.7541e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1399  
   data-arc span      17015 days (46.58 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:13:35  

Additional Information
 Earth MOID = .875603 au 
 Jupiter MOID = 2.72913 au 
 T_jup = 3.566 
[ 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 15.3   n/a MPO449064  

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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