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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940237784165142 3.216e-08  
a 2.199772875126006 4.3664e-09 au
q 1.7729646302359 7.0737e-08 au
i 5.666058652409169 3.2405e-06 deg
node 29.02327493783983 3.3482e-05 deg
peri 293.7779518975538 3.4252e-05 deg
M 139.2225425555901 8.233e-06 deg
tp 2458739.636566824128
(2019-Sep-13.13656682)
2.6814e-05 TDB
period 1191.695201781475
3.26
3.5481e-06
9.714e-09
d
yr
n .3020906683704297 8.9944e-10 deg/d
Q 2.626581120016113 5.2135e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3277  
   data-arc span      46869 days (128.32 yr)  
   first obs. used      1892-09-25  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40358  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:45:43  

Additional Information
 Earth MOID = .768429 au 
 Jupiter MOID = 2.70937 au 
 T_jup = 3.635 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456616.5 (2013-Nov-20.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935907743823355 3.2018e-08  
q 1.773795183587517 7.034e-08 au
tp 2456355.761378724762
(2013-Mar-04.26137872)
2.581e-05 TDB
node 29.15884292275497 3.347e-05 deg
peri 293.4323393169651 3.4251e-05 deg
i 5.667493063214558 3.2399e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3277  
   data-arc span      46869 days (128.32 yr)  
   first obs. used      1892-09-25  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40358  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:45:43  

Additional Information
 Jupiter MOID = 2.70937 au 
 T_jup = 3.635 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.025135984335874E-15 -2.24929875585278E-15 1.065115138510339E-13 5.553885113157586E-15 1.762031985898325E-14 -6.915160673275213E-16
q -2.24929875585278E-15 4.947686262252716E-15 -2.300144478164587E-13 -1.193084217625277E-14 -3.797059199748371E-14 1.525771279915783E-15
tp 1.065115138510339E-13 -2.300144478164587E-13 6.661771654397609E-10 2.671743403643746E-12 1.981391553249629E-10 2.71728405481047E-13
node 5.553885113157586E-15 -1.193084217625277E-14 2.671743403643746E-12 1.120220856611842E-9 -1.113541311581691E-9 -1.909787009716444E-11
peri 1.762031985898325E-14 -3.797059199748371E-14 1.981391553249629E-10 -1.113541311581691E-9 1.173165229024832E-9 1.908735517470823E-11
i -6.915160673275213E-16 1.525771279915783E-15 2.71728405481047E-13 -1.909787009716444E-11 1.908735517470823E-11 1.049679135105812E-11

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 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

[ show close-approach data ]
Alternate Designations
 A892 SE = 1979 FY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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