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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05472458002589609 3.4279e-08  
a 3.038398605336495 2.0091e-08 au
q 2.872123517708187 9.9396e-08 au
i 9.143219767126237 4.5711e-06 deg
node 252.6369772967221 2.9111e-05 deg
peri 214.8867276829204 5.8041e-05 deg
M 168.0377161020505 4.955e-05 deg
tp 2458493.537284025632
(2019-Jan-10.03728403)
0.00026608 TDB
period 1934.485812419382
5.30
1.9187e-05
5.253e-08
d
yr
n .186095962911076 1.8458e-09 deg/d
Q 3.204673692964803 2.1191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1193  
   data-arc span      10903 days (29.85 yr)  
   first obs. used      1990-08-18  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:46:46  

Additional Information
 Earth MOID = 1.89443 au 
 Jupiter MOID = 1.97849 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456973.5 (2014-Nov-12.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05668148615854626 3.4206e-08  
q 2.865211046121845 9.9447e-08 au
tp 2456562.834981814769
(2013-Sep-27.33498181)
0.00025763 TDB
node 252.6657334120644 2.9102e-05 deg
peri 215.4661983099311 5.6512e-05 deg
i 9.145997032504242 4.5725e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1193  
   data-arc span      10903 days (29.85 yr)  
   first obs. used      1990-08-18  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:46:46  

Additional Information
 Jupiter MOID = 1.97849 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.170034652157271E-15 -3.344110710941942E-15 -1.249982756468416E-12 2.706819135957388E-15 -2.367964565121588E-13 -1.422907190424961E-16
q -3.344110710941942E-15 9.889730326510164E-15 3.321748323318869E-12 -1.083428654602576E-14 6.457100251022835E-13 1.11601776291449E-15
tp -1.249982756468416E-12 3.321748323318869E-12 6.637331536102603E-8 -6.05258349843707E-12 1.250948139542396E-8 1.121796395855166E-13
node 2.706819135957388E-15 -1.083428654602576E-14 -6.05258349843707E-12 8.46952240223427E-10 -8.375203148410068E-10 -4.9502136990567E-11
peri -2.367964565121588E-13 6.457100251022835E-13 1.250948139542396E-8 -8.375203148410068E-10 3.19360468781612E-9 4.897920338554176E-11
i -1.422907190424961E-16 1.11601776291449E-15 1.121796395855166E-13 -4.9502136990567E-11 4.897920338554176E-11 2.090746929650689E-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

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