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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194528278979215 3.6376e-08  
a 2.313181216348403 7.0951e-09 au
q 2.036865178615233 8.5739e-08 au
i 9.177803701230024 3.8041e-06 deg
node 48.78797957017003 2.105e-05 deg
peri 203.0621905308414 2.7001e-05 deg
M 22.7164974925556 1.7957e-05 deg
tp 2459119.412897330858
(2020-Sep-26.91289733)
6.4028e-05 TDB
period 1285.028951776458
3.52
5.9123e-06
1.619e-08
d
yr
n .2801493301005603 1.2889e-09 deg/d
Q 2.589497254081573 7.9426e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1552  
   data-arc span      10299 days (28.20 yr)  
   first obs. used      1992-05-07  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50028  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:06:02  

Additional Information
 Earth MOID = 1.02489 au 
 Jupiter MOID = 2.43529 au 
 T_jup = 3.556 
[ 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 14.84   n/a E2021B10  
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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