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17666 (1996 XR)
Classification: Main-belt Asteroid          SPK-ID: 2017666
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1119448751992414 4.0825e-08  
a 2.635020935644349 1.1891e-08 au
q 2.340043845856254 1.0671e-07 au
i 1.660952797071017 4.3851e-06 deg
node 51.68020668386979 0.00014193 deg
peri 272.4831859589565 0.00014348 deg
M 265.9437656411632 2.1946e-05 deg
tp 2459408.687422424538
(2021-Jul-13.18742242)
9.5442e-05 TDB
period 1562.336330755172
4.28
1.0576e-05
2.896e-08
d
yr
n .2304241365404273 1.5598e-09 deg/d
Q 2.929998025432444 1.3223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1504  
   data-arc span      9360 days (25.63 yr)  
   first obs. used      1994-06-14  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:09:07  

Additional Information
 Earth MOID = 1.32857 au 
 Jupiter MOID = 2.35118 au 
 T_jup = 3.388 
[ 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 MPO474001  
diameter diameter 3.489 km 0.594 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.230   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17666 (1996 XR)          Discovered 1996-Dec-01 by Sato, N. at Chichibu
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 XR = 1998 AD6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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