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17331 (2056 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2017331
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07580594482616076 3.952e-08  
a 2.268841107472295 7.72e-09 au
q 2.096849463659925 9.2306e-08 au
i 4.65414601718435 4.1167e-06 deg
node 350.8662436920444 4.1827e-05 deg
peri 6.251272598996545 4.7702e-05 deg
M 303.9537236541599 2.3874e-05 deg
tp 2459394.834010468422
(2021-Jun-29.33401047)
8.3119e-05 TDB
period 1248.258552217352
3.42
6.371e-06
1.744e-08
d
yr
n .2884017893252258 1.472e-09 deg/d
Q 2.440832751284665 8.3052e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      17099 days (46.81 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53393  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:21:37  

Additional Information
 Earth MOID = 1.09054 au 
 Jupiter MOID = 2.85217 au 
 T_jup = 3.606 
[ 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 15.35   n/a E2021B10  

17331 (2056 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2056 T-2 = 1990 RS16 = 1997 SJ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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