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160517 (1994 TB4)
Classification: Main-belt Asteroid          SPK-ID: 2160517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2158812048891003 4.8329e-08  
a 2.697132349258844 1.3517e-08 au
q 2.114872167955475 1.3258e-07 au
i 1.967473365189337 5.4668e-06 deg
node 189.1988929910639 0.00013399 deg
peri 184.5648625002225 0.00013444 deg
M 192.3643417894738 1.2164e-05 deg
tp 2459353.882828065874
(2021-May-19.38282807)
5.8133e-05 TDB
period 1617.900517103016
4.43
1.2163e-05
3.33e-08
d
yr
n .2225105908517847 1.6727e-09 deg/d
Q 3.279392530562213 1.6435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      8987 days (24.61 yr)  
   first obs. used      1994-10-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58254  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:33:13  

Additional Information
 Earth MOID = 1.11478 au 
 Jupiter MOID = 2.18192 au 
 T_jup = 3.334 
[ 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 16.1   n/a MPO436809  
diameter diameter 3.302 km 0.750 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.054   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

160517 (1994 TB4)          Discovered 1994-Oct-02 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1994 TB4 = 2003 SU201 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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