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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
3362 Khufu (1984 QA)
Classification: Aten [NEO, PHA]          SPK-ID: 2003362
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4684786225760869 5.7403e-07  
a .9895240677031433 1.2893e-08 au
q .5259531954596882 5.7478e-07 au
i 9.91690600813587 1.2111e-05 deg
node 152.4336909462086 5.8629e-05 deg
peri 55.05400164486407 4.8035e-05 deg
M 197.8283040201547 0.00017923 deg
tp 2459162.461029004874
(2020-Nov-08.96102900)
0.00018212 TDB
period 359.5323468097726
0.98
7.0267e-06
1.924e-08
d
yr
n 1.001300726330682 1.9569e-08 deg/d
Q 1.453094939946598 1.8933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7394 days (20.24 yr)  
   first obs. used      1984-08-30  
   last obs. used      2004-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .64205  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:30:43  

Additional Information
 Earth MOID = .0135341 au 
 Jupiter MOID = 3.52067 au 
 T_jup = 6.017 
[ 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 18.3   n/a PDS3 (MPC 28110)  
diameter diameter 0.7 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
geometric albedo albedo 0.21   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  

3362 Khufu (1984 QA)          Discovered 1984-Aug-30 by Dunbar, R. S. and Barucci, M. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-17 21:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin