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
JPL Small-Body Database Browser
Search: [ help ]  
8074 Slade (1984 WC2)
Classification: Main-belt Asteroid          SPK-ID: 2008074
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468683614208027 1.9166e-08  
a 2.791175229064066 1.3131e-08 au
q 2.381239896733093 5.6877e-08 au
i 7.722639186399644 4.1197e-07 deg
node 270.9128656721264 1.9335e-06 deg
peri 141.775859671991 6.3791e-06 deg
M 270.8008393854404 7.9449e-06 deg
tp 2459622.524191944734
(2022-Feb-12.02419194)
3.8812e-05 TDB
period 1703.25267696864
4.66
1.202e-05
3.291e-08
d
yr
n .2113603018905622 1.4916e-09 deg/d
Q 3.201110561395039 1.506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1626  
   data-arc span      25204 days (69.00 yr)  
   first obs. used      1951-08-11  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48732  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 20:17:35  

Additional Information
 Earth MOID = 1.39769 au 
 Jupiter MOID = 2.15479 au 
 T_jup = 3.300 
[ 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 13.35   n/a E2021B10  
diameter diameter 4.620 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.77306 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.292   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8074 Slade           Discovered 1984 Nov. 20 by E. Bowell at Palomar.
Martin A. Slade (b. 1942) is a scientist at the Jet Propulsion Laboratory. His three decades of contributions to planetary science include analysis of the moon's orbit, radar ranging of Mercury for testing physical theories and the discovery of radar brightness anomalies at Mercury's poles.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010109/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1984 WC2 = 1995 AO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-23 20:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin