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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 ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 81 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940294114108741 3.301e-08  
a 2.199438600256706 4.5996e-09 au
q 1.772682823214541 7.2867e-08 au
i 5.666422999725701 3.7465e-06 deg
node 29.02988250076364 3.374e-05 deg
peri 293.7235762470225 3.4774e-05 deg
M 78.85508558323974 8.584e-06 deg
tp 2458739.528310262420
(2019-Sep-13.02831026)
2.8262e-05 TDB
period 1191.423579223119
3.26
3.7374e-06
1.023e-08
d
yr
n .3021595394601322 9.4784e-10 deg/d
Q 2.626194377298872 5.4921e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3041  
   data-arc span      46787 days (128.10 yr)  
   first obs. used      1892-09-25  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41672  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:30:42  

Additional Information
 Earth MOID = .770069 au 
 Jupiter MOID = 2.70974 au 
 T_jup = 3.635 
[ 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 11.3   n/a MPO502156 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. 2019-August); 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2167-Jun-22 06:08 00:03 Amphi 0.0466703502906547 0.0466655388085535 0.0466751630332293 3.38998117026127 3.38998113392547 2512712.755655300 2.61504308222485 454.205454441814 32.1842536681053 58.3574584842039 184724.564418417 T 81 CATAB v2.0f-lin.ifort 2020-Nov-13 04:30:49 2020-Nov-13 04:30

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