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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 ]

[ hide orbit diagram ]

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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094562300889933 8.3312e-08  
a 2.733491648890691 3.1682e-08 au
q 2.43429395802337 2.2987e-07 au
i 24.83414249590844 1.1362e-05 deg
node 320.9149082078567 1.6505e-05 deg
peri 226.7297572583645 4.7766e-05 deg
M 59.66899846382093 4.7734e-05 deg
tp 2458726.896718688328
(2019-Aug-31.39671869)		 0.0002172 TDB
period 1650.726236538455
4.52		 2.8699e-05
7.857e-08		 d
yr
n .2180858291529394 3.7915e-09 deg/d
Q 3.032689339758012 3.515e-08 au
   Orbit Determination Parameters
   # obs. used (total)      222  
   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      .50331  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:20:56  

Additional Information
 Earth MOID = 1.48567 au 
 Jupiter MOID = 2.08249 au 
 T_jup = 3.211 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457440.5 (2016-Feb-22.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096409343582718 8.3592e-08  
q 2.433165777521694 2.3117e-07 au
tp 2457073.960132085703
(2015-Feb-20.46013209)		 0.00020724 TDB
node 320.9441365821185 1.6506e-05 deg
peri 226.1443044868007 4.7555e-05 deg
i 24.83516504149141 1.1363e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      222  
   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      .50331  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:20:56  

Additional Information
 Jupiter MOID = 2.08249 au 
 T_jup = 3.211 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.987566497173014E-15 -1.917573213583384E-14 -8.43940242706808E-12 -2.859021033130938E-15 -1.794546372870655E-12 5.86872856898164E-15
q -1.917573213583384E-14 5.344011092805225E-14 2.44867445881432E-11 7.452666377848411E-15 5.234701464626536E-12 -1.318223409760626E-14
tp -8.43940242706808E-12 2.44867445881432E-11 4.294832487003046E-8 1.97539739993965E-11 9.27243681506958E-9 1.464219324024413E-11
node -2.859021033130938E-15 7.452666377848411E-15 1.97539739993965E-11 2.724589571896118E-10 -2.423618325597878E-10 8.196908288340767E-12
peri -1.794546372870655E-12 5.234701464626536E-12 9.27243681506958E-9 -2.423618325597878E-10 2.261439456816287E-9 -4.77673784129347E-12
i 5.86872856898164E-15 -1.318223409760626E-14 1.464219324024413E-11 8.196908288340767E-12 -4.77673784129347E-12 1.291119736700027E-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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