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341 California (A892 SE)
Classification: Main-belt Asteroid          SPK-ID: 2000341
[ 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 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940504300446844 1.6491e-08  
a 2.199761526411285 3.9792e-09 au
q 1.772896856215424 3.6714e-08 au
i 5.666257939213937 3.6501e-07 deg
node 29.01581430405621 3.652e-06 deg
peri 293.81414332 4.1045e-06 deg
M 198.3902239287817 2.247e-06 deg
tp 2459931.466956502886
(2022-Dec-17.96695650)		 8.3382e-06 TDB
period 1191.685979789794
3.26		 3.2335e-06
8.853e-09		 d
yr
n .3020930061319523 8.1969e-10 deg/d
Q 2.626626196607146 4.7514e-09 au
   Orbit Determination Parameters
   # obs. used (total)      3565  
   data-arc span      47010 days (128.71 yr)  
   first obs. used      1892-09-25  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 10:54:52  

Additional Information
 Earth MOID = .769589 au 
 Jupiter MOID = 2.7088 au 
 T_jup = 3.635 
[ 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 11.33   n/a E2021B10 IRAS observations used: 21
diameter diameter 15.830 km 0.820 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 318. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Skiff, B.A. (2014) Posting on CALL web site. http://www.minorplanet.info/call.html]
[Pilcher, F.; Franco, L.; Pravec, P. (2017) Minor Planet Bull. 44, 87-90.]
[Polakis, T.; Skiff, B.A. (2017) Minor Planet Bull. 44, 299-302.]
geometric albedo albedo 0.425   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.920   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=9.18 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 1 color indices; used ground-based radiometric albedo

341 California (A892 SE)          Discovered 1892-Sep-25 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A892 SE = 1979 FY2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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