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3032 Evans (1984 CA1)
Classification: Main-belt Asteroid          SPK-ID: 2003032
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08187119329928592 4.3675e-08  
a 2.892711612303648 1.3037e-08 au
q 2.655881860733647 1.2883e-07 au
i 3.222614042554613 3.5537e-06 deg
node 88.36514640196876 8.1072e-05 deg
peri 274.1408513894711 8.3916e-05 deg
M 6.281370591266526 2.3655e-05 deg
tp 2459365.144910016011
(2021-May-30.64491002)
0.000118 TDB
period 1797.033343316878
4.92
1.2149e-05
3.326e-08
d
yr
n .2003301726920265 1.3543e-09 deg/d
Q 3.129541363873649 1.4105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2823  
   data-arc span      31502 days (86.25 yr)  
   first obs. used      1935-03-29  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44829  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:27:19  

Additional Information
 Earth MOID = 1.65473 au 
 Jupiter MOID = 2.2709 au 
 T_jup = 3.283 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.60   n/a MPCxxxxx  
diameter diameter 13.747 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.3970 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Slivan, S.M.; Neugent, K.F., Melton, C.; Beck, M. (2018) Minor Planet Bull. 45, 72-75.]
geometric albedo albedo 0.257   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3032 Evans (1984 CA1)          Discovered 1984-Feb-08 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 CA1 = 1935 FD = 1952 VA = 1957 TL = 1957 UO = 1969 BF = 1972 XT1 = 1976 PK = 1979 FV2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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