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 ]  
146867 (2002 AC176)
Classification: Main-belt Asteroid          SPK-ID: 2146867
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06808928032596824 4.7642e-08  
a 3.044845510116509 2.3122e-08 au
q 2.83752417062892 1.3695e-07 au
i 2.536622383939756 4.8099e-06 deg
node 316.4988081354799 9.8153e-05 deg
peri 233.9738871077892 0.00010351 deg
M 144.1273536839239 3.2461e-05 deg
tp 2458423.555078838705
(2018-Nov-01.05507884)
0.00017518 TDB
period 1940.645994454724
5.31
2.2105e-05
6.052e-08
d
yr
n .1855052395071939 2.113e-09 deg/d
Q 3.252166849604098 2.4696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      9584 days (26.24 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55862  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:03:01  

Additional Information
 Earth MOID = 1.8379 au 
 Jupiter MOID = 1.71779 au 
 T_jup = 3.234 
[ 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 15.45   n/a E2021B55  
diameter diameter 6.250 km 1.652 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146867 (2002 AC176)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2002 AC176 = 1994 RW9 
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-25 08:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin