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 ]  
277507 (2005 WQ164)
Classification: Main-belt Asteroid          SPK-ID: 2277507
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1474181375327306 7.5451e-08  
a 2.53724219409719 2.2139e-08 au
q 2.163206675373924 1.9934e-07 au
i 4.557534776971118 1.0337e-05 deg
node 225.8319282693823 6.6879e-05 deg
peri 115.5549777546167 7.6514e-05 deg
M 273.4091227090257 3.4971e-05 deg
tp 2459355.567525399820
(2021-May-21.06752540)
0.00014233 TDB
period 1476.186789451306
4.04
1.9321e-05
5.29e-08
d
yr
n .2438715768035093 3.1918e-09 deg/d
Q 2.911277712820457 2.5402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5287 days (14.48 yr)  
   first obs. used      2005-10-30  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:26:43  

Additional Information
 Earth MOID = 1.1599 au 
 Jupiter MOID = 2.49493 au 
 T_jup = 3.428 
[ 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 17.5   n/a MPO427524  

277507 (2005 WQ164)          Discovered 2005-Nov-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 WQ164 = 2005 US472 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-08 04:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin