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JPL Small-Body Database Browser
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74319 (1998 UH17)
Classification: Main-belt Asteroid          SPK-ID: 2074319
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 .1117463703500962 3.778e-08  
a 2.630143905213355 1.6161e-08 au
q 2.336234870307335 1.0529e-07 au
i 3.52668556227712 6.2837e-06 deg
node 333.5899084262353 5.9123e-05 deg
peri 80.46032293757365 6.9621e-05 deg
M 263.1884690252899 3.5078e-05 deg
tp 2459019.479024024113
(2020-Jun-18.97902402)
0.00015345 TDB
period 1558.000861365186
4.27
1.436e-05
3.932e-08
d
yr
n .2310653408012578 2.1297e-09 deg/d
Q 2.924052940119375 1.7967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      7690 days (21.05 yr)  
   first obs. used      1998-10-11  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54445  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:51:55  

Additional Information
 Earth MOID = 1.35016 au 
 Jupiter MOID = 2.39352 au 
 T_jup = 3.389 
[ 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 15.9   n/a MPO453156  
diameter diameter 3.752 km 0.902 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74319 (1998 UH17)          Discovered 1998-Oct-17 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UH17 = 2002 RC72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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