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JPL Small-Body Database Browser
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425755 (2011 CP4)
Classification: Aten [NEO, PHA]          SPK-ID: 2425755
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.


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Orbital Elements at Epoch 2456399.5 (2013-Apr-17.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8702761152619352 2.196e-08  
a .9114661716633674 1.0237e-08 au
q .1182389325955039 1.9512e-08 au
i 9.442594213576124 8.7276e-06 deg
node 148.0514376119117 8.7931e-06 deg
peri 159.8645558070872 9.7332e-06 deg
M 68.37106224365699 6.1344e-06 deg
tp 2456339.135850552351
(2013-Feb-15.63585055)
4.4476e-06 TDB
period 317.8405174357183
0.87
5.3547e-06
1.466e-08
d
yr
n 1.132643512238204 1.9082e-08 deg/d
Q 1.704693410731231 1.9146e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 5.829608821864336E-14 1.731E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      145  
   # delay obs. used      4  
   # Doppler obs. used      7  
   data-arc span      5869 days (16.07 yr)  
   first obs. used      2002-01-10  
   last obs. used      2018-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-14 16:01:04  

Additional Information
 Earth MOID = .0188923 au 
 Jupiter MOID = 3.58199 au 
 T_jup = 6.116 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

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 21.2   n/a MPO265010  

425755 (2011 CP4)          Discovered 2011-Feb-02 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2015-02-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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