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17551 (1993 TZ31)
Classification: Main-belt Asteroid          SPK-ID: 2017551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119222266650449 3.6414e-08  
a 2.312621267928661 7.337e-09 au
q 2.03690531846217 8.5841e-08 au
i 9.178888809196568 3.816e-06 deg
node 48.7926019961867 2.1968e-05 deg
peri 203.0403163448406 2.7873e-05 deg
M 326.6884414040392 1.8477e-05 deg
tp 2459119.363264085126
(2020-Sep-26.86326409)
6.6059e-05 TDB
period 1284.562382374809
3.52
6.1131e-06
1.674e-08
d
yr
n .2802510839017854 1.3337e-09 deg/d
Q 2.588337217395151 8.2117e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1409  
   data-arc span      10218 days (27.98 yr)  
   first obs. used      1992-05-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:37:34  

Additional Information
 Earth MOID = 1.02645 au 
 Jupiter MOID = 2.43744 au 
 T_jup = 3.557 
[ 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 14.8   n/a MPO365463  
diameter diameter 2.890 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.306   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17551 (1993 TZ31)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TZ31 = 1996 OG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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