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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 ]

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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457121.5 (2015-Apr-09.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09286646746715393 3.2292e-08  
q 2.375650568567081 8.2753e-08 au
tp 2456974.771157098962
(2014-Nov-13.27115710)		 0.00012179 TDB
node 352.4711687857229 3.8433e-05 deg
peri 283.471594688948 4.8489e-05 deg
i 4.543376429603643 4.8541e-06 deg
   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
 Jupiter MOID = 2.24311 au 
 T_jup = 3.396 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.042788899157419E-15 -2.653920003333724E-15 2.460944601132287E-13 -1.300710994538856E-15 1.486712522066679E-14 -3.726640413961672E-16
q -2.653920003333724E-15 6.848065963048043E-15 -1.066343681143726E-12 2.47125470557579E-15 -1.420047452753673E-13 1.374906317944963E-15
tp 2.460944601132287E-13 -1.066343681143726E-12 1.483266348907893E-8 2.049531257945933E-13 3.602850772887114E-9 -2.245166955658105E-12
node -1.300710994538856E-15 2.47125470557579E-15 2.049531257945933E-13 1.477115573071265E-9 -1.471951993140521E-9 -3.280156239801075E-12
peri 1.486712522066679E-14 -1.420047452753673E-13 3.602850772887114E-9 -1.471951993140521E-9 2.351150126399307E-9 2.7854208057335E-12
i -3.726640413961672E-16 1.374906317944963E-15 -2.245166955658105E-12 -3.280156239801075E-12 2.7854208057335E-12 2.356243035054335E-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 15.1   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1935-Jan-22 17:13 < 00:01 Psych 0.0402814473651835 0.0402765060367453 0.0402863894926475 3.69235366991079 3.69235358856318 2427825.217211741 0.64986155307356 377.315150528084 38.0045299303909 49.6263742934227 121109.153380957 T 26 CATAB v2.0f-lin.ifort 2020-Dec-18 02:38:46 2020-Dec-18 02:38
1949-Jan-05 21:40 < 00:01 Inter 0.0193872489069185 0.0193815842583649 0.0193929135606487 5.54374330760796 5.54374317140097 2432922.402797637 0.531447225697693 282.78848626334 31.1470874116284 -3.23237811206035 11499.7907646586 T 26 CATAB v2.0f-lin.ifort 2020-Dec-18 02:38:46 2020-Dec-18 02:38
2050-Oct-01 03:24 < 00:01 Inter 0.00581372120009507 0.00581218164085598 0.00581526307859805 5.53345991546002 5.53345946040097 2470080.641414748 0.514741706005385 214.223360936861 30.9495362449317 70.6365917172165 26528.7396717574 T 26 CATAB v2.0f-lin.ifort 2020-Dec-18 02:38:46 2020-Dec-18 02:38
2084-Mar-18 00:15 00:02 Thisb 0.0258262484662579 0.0258254348617955 0.0258270621113586 2.55479903035798 2.55479892702078 2482302.510687455 1.95739079998637 377.064007407414 40.141440549291 -89.1503205806836 96105.7199443348 T 26 CATAB v2.0f-lin.ifort 2020-Dec-18 02:38:46 2020-Dec-18 02:38
2102-Sep-27 18:19 < 00:01 Juno 0.0376115251197533 0.0376090162040406 0.0376140358763694 8.13504132677459 8.13504128701286 2489069.263309520 0.755256964230641 456.537935759332 40.9856873143321 74.9303126788403 132565.790783632 T 26 CATAB v2.0f-lin.ifort 2020-Dec-18 02:38:46 2020-Dec-18 02:38
2152-Jun-26 18:50 < 00:01 Inter 0.0193553199092006 0.0193426521225443 0.0193679891816286 5.56091609362827 5.5609159576179 2507239.284708875 0.864504946195793 685.8236696034 30.9816687008767 -22.9933716467649 36692.1734344371 T 26 CATAB v2.0f-lin.ifort 2020-Dec-18 02:38:46 2020-Dec-18 02:38

Alternate Designations
 2175 P-L = 1996 AC2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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