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11443 (1977 CP)
Classification: Main-belt Asteroid          SPK-ID: 2011443
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467716578047885 2.9747e-08  
a 2.310581703903241 6.8081e-09 au
q 1.97145379672795 6.9278e-08 au
i 1.074960309743677 3.1221e-06 deg
node 26.92685976373474 0.00018054 deg
peri 128.5729626044372 0.0001809 deg
M 164.6372749820584 1.1103e-05 deg
tp 2458613.813506094519
(2019-May-10.31350609)
3.9375e-05 TDB
period 1282.863420990111
3.51
5.6699e-06
1.552e-08
d
yr
n .2806222346897636 1.2403e-09 deg/d
Q 2.649709611078534 7.8073e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2066  
   data-arc span      15983 days (43.76 yr)  
   first obs. used      1977-02-11  
   last obs. used      2020-11-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47944  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:46:08  

Additional Information
 Earth MOID = .981207 au 
 Jupiter MOID = 2.33564 au 
 T_jup = 3.570 
[ 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 14.60   n/a MPCxxxxx  
diameter diameter 2.924 km 0.526 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.367 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.394   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11443 (1977 CP)          Discovered 1977-Feb-11 by Bowell, E. at Palomar
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1977 CP = 1984 CJ1 = 1991 CE5 = 1999 ND22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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