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 ]  
146844 (2002 AP79)
Classification: Main-belt Asteroid          SPK-ID: 2146844
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051567294108153 5.0725e-08  
a 3.002858922261889 3.0161e-08 au
q 2.687088099114743 1.6539e-07 au
i 3.901150402001301 5.4817e-06 deg
node 88.92885080705749 8.1715e-05 deg
peri 190.0718003352521 8.6809e-05 deg
M 22.85556709948991 2.934e-05 deg
tp 2458879.832498282914
(2020-Jan-31.33249828)
0.00015478 TDB
period 1900.644181308473
5.20
2.8635e-05
7.84e-08
d
yr
n .1894094662958759 2.8537e-09 deg/d
Q 3.318629745409035 3.3333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7812 days (21.39 yr)  
   first obs. used      1998-03-29  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58719  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:50  

Additional Information
 Earth MOID = 1.67075 au 
 Jupiter MOID = 1.7905 au 
 T_jup = 3.240 
[ 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 15.4   n/a MPO436737  
diameter diameter 3.398 km 0.744 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146844 (2002 AP79)          Discovered 2002-Jan-08 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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-Jul-09 03:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin