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JPL Small-Body Database Browser
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26317 (1998 UB17)
Classification: Main-belt Asteroid          SPK-ID: 2026317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2635656003952811 3.1577e-08  
a 2.274917290029171 9.0059e-09 au
q 1.675327348633027 7.2562e-08 au
i 24.37114732391046 5.129e-06 deg
node 97.19976379309358 9.3998e-06 deg
peri 241.9951956528988 1.309e-05 deg
M 149.6985798165601 1.0287e-05 deg
tp 2458479.350862247840
(2018-Dec-26.85086225)
3.4781e-05 TDB
period 1253.276349185668
3.43
7.4422e-06
2.038e-08
d
yr
n .2872471025515757 1.7057e-09 deg/d
Q 2.874507231425316 1.138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1143  
   data-arc span      15547 days (42.57 yr)  
   first obs. used      1977-07-12  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:42:42  

Additional Information
 Earth MOID = .766018 au 
 Jupiter MOID = 2.66171 au 
 T_jup = 3.449 
[ 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 14.6   n/a MPO400266  
diameter diameter 2.908 km 0.419 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.325   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

26317 (1998 UB17)          Discovered 1998-Oct-27 by CSS at Catalina
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UB17 = 1994 LD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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