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74327 (1998 UT38)
Classification: Main-belt Asteroid          SPK-ID: 2074327
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128835851033478 4.625e-08  
a 2.619195088751129 1.1923e-08 au
q 2.061611448172708 1.2456e-07 au
i 2.04034185096599 4.8735e-06 deg
node 153.9544113220618 0.00013435 deg
peri 256.4965104363978 0.00013486 deg
M 19.20162858205598 1.085e-05 deg
tp 2458917.917930407115
(2020-Mar-09.41793041)
4.6478e-05 TDB
period 1548.28247647812
4.24
1.0572e-05
2.894e-08
d
yr
n .2325157104528447 1.5876e-09 deg/d
Q 3.176778729329551 1.4461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      10533 days (28.84 yr)  
   first obs. used      1991-01-14  
   last obs. used      2019-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:25:10  

Additional Information
 Earth MOID = 1.07332 au 
 Jupiter MOID = 2.20622 au 
 T_jup = 3.372 
[ 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 MPO493388  
diameter diameter 4.008 km 0.806 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.050   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74327 (1998 UT38)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UT38 = 1998 VH8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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