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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1119749963907317 3.7728e-08  
a 2.63012251365129 1.6097e-08 au
q 2.335614554678004 1.0522e-07 au
i 3.526923730558976 6.2839e-06 deg
node 333.5856900112825 5.9118e-05 deg
peri 80.53633227247016 6.9577e-05 deg
M 355.5713084447395 3.5368e-05 deg
tp 2459019.666169667294
(2020-Jun-19.16616967)
0.00015314 TDB
period 1557.981854037702
4.27
1.4303e-05
3.916e-08
d
yr
n .2310681597908317 2.1213e-09 deg/d
Q 2.924630472624576 1.7899e-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 = 1.35 au 
 Jupiter MOID = 2.39227 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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