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52649 Chrismith (1997 YX11)
Classification: Main-belt Asteroid          SPK-ID: 2052649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05472458042840256 3.4252e-08  
a 3.038398605890697 1.999e-08 au
q 2.872123517009086 9.9371e-08 au
i 9.143219568503188 4.554e-06 deg
node 252.6369790040811 2.8903e-05 deg
peri 214.8867239980007 5.7475e-05 deg
M 168.0377178826829 4.9121e-05 deg
tp 2458493.537274210226
(2019-Jan-10.03727421)
0.00026365 TDB
period 1934.485812948656
5.30
1.9091e-05
5.227e-08
d
yr
n .1860959628601603 1.8365e-09 deg/d
Q 3.204673694772308 2.1084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      11293 days (30.92 yr)  
   first obs. used      1990-08-18  
   last obs. used      2021-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:14:14  

Additional Information
 Earth MOID = 1.89443 au 
 Jupiter MOID = 1.97849 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456985.5 (2014-Nov-24.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05667235780321458 3.4185e-08  
q 2.865209351040932 9.9427e-08 au
tp 2456562.791131023372
(2013-Sep-27.29113102)
0.00025506 TDB
node 252.6654807479857 2.8894e-05 deg
peri 215.4579780354543 5.5969e-05 deg
i 9.146019695819911 4.5553e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      11293 days (30.92 yr)  
   first obs. used      1990-08-18  
   last obs. used      2021-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:14:14  

Additional Information
 Jupiter MOID = 1.97849 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.168603229289938E-15 -3.341922480282837E-15 -1.205130714281309E-12 2.411938740046461E-15 -2.278470655842484E-13 -1.095914521119521E-16
q -3.341922480282837E-15 9.885685903865226E-15 3.258420846778313E-12 -9.957094489317134E-15 6.32634304274237E-13 1.024838141479828E-15
tp -1.205130714281309E-12 3.258420846778313E-12 6.505743872679163E-8 -5.157254645071185E-12 1.225497744337574E-8 6.390139128086073E-14
node 2.411938740046461E-15 -9.957094489317134E-15 -5.157254645071185E-12 8.348455123649945E-10 -8.253936069832678E-10 -4.81259088116558E-11
peri -2.278470655842484E-13 6.32634304274237E-13 1.225497744337574E-8 -8.253936069832678E-10 3.132579207961616E-9 4.761128678921945E-11
i -1.095914521119521E-16 1.024838141479828E-15 6.390139128086073E-14 -4.81259088116558E-11 4.761128678921945E-11 2.0750978429179E-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 13.96   n/a E2021B10  

52649 Chrismith           Discovered 1997 Dec. 27 by R. Tucker at Goodricke-Pigott Observatory.
Christine Elizabeth Smith (b. 1941) has for 21 years as an elementary school teacher inspired her students both with an enthusiasm for learning and with a sense of wonder and awareness of the natural world around them.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

[ 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
1927-Jan-28 21:14 00:03 Jupiter 1.99087174436746 1.99087123270124 1.99087225603403 3.00548396219683 2.86042439009296 2424909.385027016 2.87951630683725 193.365166154133 21.0810131561873 88.4438713003116 3491375.74463604 T 29 CATAB v2.0g-lin.ifort 2021-Aug-25 17:14:17 2021-Aug-25 17:14
1975-Jan-15 22:10 00:01 Jupiter 1.99619327896378 1.99619278627207 1.99619377165537 3.15204982536627 3.01442868995552 2442428.423513257 1.28829837214928 75.8086946188785 17.8006198282394 -86.291647280356 2990723.9251083 T 29 CATAB v2.0g-lin.ifort 2021-Aug-25 17:14:17 2021-Aug-25 17:14
2080-Mar-31 13:21 00:02 Jupiter 1.99541498921059 1.99541448254496 1.99541549587646 3.45282793995703 3.32761957055154 2480855.056396306 2.10671411573363 77.3630223021872 18.5482579030493 -83.9958925124446 2521780.53902224 T 29 CATAB v2.0g-lin.ifort 2021-Aug-25 17:14:17 2021-Aug-25 17:14
2128-Mar-11 02:44 00:04 Jupiter 1.98639217962276 1.98639167056643 1.98639268868124 3.10381159847219 2.96324507636333 2498365.614167514 3.76379610554178 218.918790819745 21.2574310865059 89.4572041582295 3803945.05671844 T 29 CATAB v2.0g-lin.ifort 2021-Aug-25 17:14:17 2021-Aug-25 17:14
2176-Feb-25 15:37 00:05 Jupiter 1.98711875272441 1.98711825370303 1.98711925174851 2.94477156375829 2.79627722780519 2515883.150861699 5.45420327282596 339.690287629276 19.1368087107533 -88.7592882895372 3589181.90097024 T 29 CATAB v2.0g-lin.ifort 2021-Aug-25 17:14:17 2021-Aug-25 17:14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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