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469355 (2001 CH25)
Classification: Main-belt Asteroid          SPK-ID: 2469355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094562851017432 8.3461e-08  
a 2.733491647630238 3.1685e-08 au
q 2.434293806523989 2.303e-07 au
i 24.83414266430005 1.1386e-05 deg
node 320.9149158455963 1.6512e-05 deg
peri 226.7297558053794 4.7926e-05 deg
M 59.6689945275031 4.793e-05 deg
tp 2458726.896736926969
(2019-Aug-31.39673693)
0.0002181 TDB
period 1650.726235396694
4.52
2.8702e-05
7.858e-08
d
yr
n .2180858293037832 3.7919e-09 deg/d
Q 3.032689488736487 3.5153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      6642 days (18.18 yr)  
   first obs. used      2001-01-17  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52182  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:31:28  

Additional Information
 Earth MOID = 1.48567 au 
 Jupiter MOID = 2.08249 au 
 T_jup = 3.211 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457441.5 (2016-Feb-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096408967032018 8.3743e-08  
q 2.433168260936595 2.3161e-07 au
tp 2457073.961920370195
(2015-Feb-20.46192037)
0.00020812 TDB
node 320.9441553048453 1.6513e-05 deg
peri 226.1448111657741 4.7714e-05 deg
i 24.83515989647619 1.1386e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      6642 days (18.18 yr)  
   first obs. used      2001-01-17  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52182  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:31:28  

Additional Information
 Jupiter MOID = 2.08249 au 
 T_jup = 3.211 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.012927504576988E-15 -1.924748258771828E-14 -8.535650029547387E-12 -3.031288699739017E-15 -1.813878633490565E-12 6.067107320933405E-15
q -1.924748258771828E-14 5.364310696174477E-14 2.475910218690003E-11 7.92180234000387E-15 5.289423841507737E-12 -1.37119268345844E-14
tp -8.535650029547387E-12 2.475910218690003E-11 4.331534894870037E-8 1.973884919121611E-11 9.346757902304171E-9 1.495358064815826E-11
node -3.031288699739017E-15 7.92180234000387E-15 1.973884919121611E-11 2.726713458135434E-10 -2.425535523910364E-10 7.860818121456549E-12
peri -1.813878633490565E-12 5.289423841507737E-12 9.346757902304171E-9 -2.425535523910364E-10 2.276656444283863E-9 -4.415073073852204E-12
i 6.067107320933405E-15 -1.37119268345844E-14 1.495358064815826E-11 7.860818121456549E-12 -4.415073073852204E-12 1.296439532737046E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO472611  

469355 (2001 CH25)          Discovered 2001-Feb-01 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22

Alternate Designations
 2001 CH25 = 2010 CE2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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