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17490 (1991 UC3)
Classification: Main-belt Asteroid          SPK-ID: 2017490
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1936400341264855 3.8394e-08  
a 2.73481328085898 1.1527e-08 au
q 2.205243943823882 1.0469e-07 au
i 3.116789967382652 4.2761e-06 deg
node 190.1120044851392 6.851e-05 deg
peri 182.8090173991217 6.9159e-05 deg
M 131.6025172372436 9.311e-06 deg
tp 2458396.618614409068
(2018-Oct-05.11861441)
4.2067e-05 TDB
period 1651.923560252478
4.52
1.0444e-05
2.859e-08
d
yr
n .2179277592874685 1.3779e-09 deg/d
Q 3.264382617894079 1.376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1375  
   data-arc span      23432 days (64.15 yr)  
   first obs. used      1955-12-11  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:05:34  

Additional Information
 Earth MOID = 1.2057 au 
 Jupiter MOID = 2.2002 au 
 T_jup = 3.323 
[ 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 14.5   n/a MPO467893  
diameter diameter 6.881 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17490 (1991 UC3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 UC3 = 1982 UD11 = 1982 VU8 = 1986 QP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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