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74338 (1998 VK15)
Classification: Main-belt Asteroid          SPK-ID: 2074338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3208630966735369 4.1345e-08  
a 3.104605250489865 1.6368e-08 au
q 2.108451995868765 1.2518e-07 au
i 2.263821080621594 3.8838e-06 deg
node 27.56267460121706 0.00010502 deg
peri 321.4841153048374 0.00010519 deg
M 85.23177086700098 6.3335e-06 deg
tp 2458923.450029814068
(2020-Mar-14.95002981)
3.2991e-05 TDB
period 1998.057620235011
5.47
1.5802e-05
4.326e-08
d
yr
n .1801749841216576 1.4249e-09 deg/d
Q 4.100758505110965 2.1621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      16211 days (44.38 yr)  
   first obs. used      1976-09-25  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55259  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:12:49  

Additional Information
 Earth MOID = 1.10205 au 
 Jupiter MOID = 1.33591 au 
 T_jup = 3.138 
[ 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 14.81   n/a MPCxxxxx  
diameter diameter 7.333 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.480 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Clark, M. (2015) Minor Planet Bull. 42, 15-20.]
geometric albedo albedo 0.047   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74338 (1998 VK15)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 VK15 = 1976 ST6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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