Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184362817958841 6.1438e-08  
a 2.54517986336832 1.177e-08 au
q 2.075943331545639 1.6073e-07 au
i 12.16004276206415 4.0109e-06 deg
node 281.9646657843796 2.6398e-05 deg
peri 104.0527667732123 3.112e-05 deg
M 222.8887700096202 1.8064e-05 deg
tp 2459961.367607595985
(2023-Jan-16.86760760)
7.6929e-05 TDB
period 1483.1194990288
4.06
1.0288e-05
2.817e-08
d
yr
n .2427316209083225 1.6838e-09 deg/d
Q 3.014416395191001 1.394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1362  
   data-arc span      8248 days (22.58 yr)  
   first obs. used      1998-11-14  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:02:42  

Additional Information
 Earth MOID = 1.11957 au 
 Jupiter MOID = 2.54162 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 14.59   n/a E2021B10  
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. 2020-October); 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-18 09:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin