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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .321487287681172 5.4429e-08  
a 3.106335400154014 2.0988e-08 au
q 2.107688057730492 1.7192e-07 au
i 2.264944470726698 4.7692e-06 deg
node 27.62512004209212 0.00012951 deg
peri 321.2909102596396 0.00012963 deg
M 301.9437965585987 6.4633e-06 deg
tp 2458922.990612416286
(2020-Mar-14.49061242)
3.8065e-05 TDB
period 1999.728083959962
5.47
2.0267e-05
5.549e-08
d
yr
n .1800244757712809 1.8245e-09 deg/d
Q 4.104982742577537 2.7736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      15185 days (41.57 yr)  
   first obs. used      1976-09-25  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60609  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:29:44  

Additional Information
 Earth MOID = 1.10118 au 
 Jupiter MOID = 1.3267 au 
 T_jup = 3.137 
[ 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 14.7   n/a MPO449469  
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. 2019-January); 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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