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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09236285099809273 3.2419e-08  
a 2.618817873659166 1.0317e-08 au
q 2.376936388603243 8.3026e-08 au
i 4.540151569531618 4.4857e-06 deg
node 352.3885025452716 3.8431e-05 deg
peri 282.8392588680337 4.6311e-05 deg
M 158.4005189172882 2.4534e-05 deg
tp 2458519.400642444958
(2019-Feb-04.90064244)
0.00010593 TDB
period 1547.948014285538
4.24
9.1472e-06
2.504e-08
d
yr
n .2325659496815593 1.3743e-09 deg/d
Q 2.86069935871509 1.127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      22059 days (60.39 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56036  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:24:46  

Additional Information
 Earth MOID = 1.36397 au 
 Jupiter MOID = 2.24204 au 
 T_jup = 3.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457215.5 (2015-Jul-12.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09291685941232349 3.2272e-08  
q 2.375587147677328 8.2741e-08 au
tp 2456974.748975519452
(2014-Nov-13.24897552)
0.00010727 TDB
node 352.4711446611163 3.8386e-05 deg
peri 283.4631582657429 4.6228e-05 deg
i 4.543371643910645 4.4879e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      22059 days (60.39 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56036  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:24:46  

Additional Information
 Jupiter MOID = 2.24204 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.0415073178513E-15 -2.653862190441289E-15 3.054790817504116E-13 -1.537513025859464E-15 3.005898982478592E-14 -4.115561741776227E-17
q -2.653862190441289E-15 6.846148714697397E-15 -1.0373079144031E-12 3.218572192727837E-15 -1.353490046294956E-13 4.673597829836894E-16
tp 3.054790817504116E-13 -1.0373079144031E-12 1.150764468530353E-8 -2.086713271202839E-12 2.766369417058538E-9 -2.01172372594635E-12
node -1.537513025859464E-15 3.218572192727837E-15 -2.086713271202839E-12 1.473462961914518E-9 -1.468872035519514E-9 -1.484904162310149E-12
peri 3.005898982478592E-14 -1.353490046294956E-13 2.766369417058538E-9 -1.468872035519514E-9 2.137037034023678E-9 1.036045511051889E-12
i -4.115561741776227E-17 4.673597829836894E-16 -2.01172372594635E-12 -1.484904162310149E-12 1.036045511051889E-12 2.014158049098185E-11

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 15.13   n/a MPCxxxxx  
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-May-08 14:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin