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79823 (1998 VK54)
Classification: Main-belt Asteroid          SPK-ID: 2079823
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184003762954949 9.038e-08  
a 2.545951199319854 1.2353e-08 au
q 2.077486598345335 2.3527e-07 au
i 12.15984354464461 4.5577e-06 deg
node 281.9703112241077 2.9809e-05 deg
peri 104.0873462246676 3.8969e-05 deg
M 126.7357821129572 2.5996e-05 deg
tp 2458478.139549577388
(2018-Dec-25.63954958)
0.00010488 TDB
period 1483.793755930233
4.06
1.0799e-05
2.957e-08
d
yr
n .2426213202213576 1.7659e-09 deg/d
Q 3.014415800294372 1.4627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      7831 days (21.44 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48538  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:43:34  

Additional Information
 Earth MOID = 1.12173 au 
 Jupiter MOID = 2.53921 au 
 T_jup = 3.388 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO453220  
diameter diameter 3.672 km 0.626 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 40.838 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.228   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

79823 (1998 VK54)          Discovered 1998-Nov-14 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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