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 ]  
9479 Madresplazamayo (2175 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2009479
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09253687837983879 3.2448e-08  
a 2.61823387984947 1.0864e-08 au
q 2.375950689739866 8.3005e-08 au
i 4.540343001328768 4.852e-06 deg
node 352.3933730388489 3.8479e-05 deg
peri 282.7371578862461 4.8536e-05 deg
M 111.9773104396822 2.7496e-05 deg
tp 2458519.174782632213
(2019-Feb-04.67478263)
0.00011891 TDB
period 1547.430256826366
4.24
9.6314e-06
2.637e-08
d
yr
n .2326437643389022 1.448e-09 deg/d
Q 2.860517069959074 1.1869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      21967 days (60.14 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:38:44  

Additional Information
 Earth MOID = 1.36484 au 
 Jupiter MOID = 2.24311 au 
 T_jup = 3.396 
[ 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 15.1   n/a MPO435790  
diameter diameter 2.687 km 0.446 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.223   0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9479 Madresplazamayo (2175 P-L)          Discovered 1960-Sep-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2175 P-L = 1996 AC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-23 02:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin