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362 Havnia (A893 EG)
Classification: Main-belt Asteroid          SPK-ID: 2000362
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 82 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04390187661988627 3.3217e-08  
a 2.5789795691805 6.4315e-09 au
q 2.46575752632913 8.4485e-08 au
i 8.063042381033023 4.269e-06 deg
node 27.32292759955953 2.671e-05 deg
peri 31.67210243505338 5.9014e-05 deg
M 13.69100650492112 5.1419e-05 deg
tp 2458942.968836742964
(2020-Apr-03.46883674)		 0.00021611 TDB
period 1512.760859845376
4.14		 5.6588e-06
1.549e-08		 d
yr
n .2379754854556435 8.902e-10 deg/d
Q 2.69220161203187 6.7139e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2929  
   data-arc span      44233 days (121.10 yr)  
   first obs. used      1899-10-09  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:53:00  

Additional Information
 Earth MOID = 1.47985 au 
 Jupiter MOID = 2.4468 au 
 T_jup = 3.410 
[ 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 9.1   n/a MPO502156  
diameter diameter 98 km n/a J.G. Williams (E-mail September 1990) based on assumed albedo of 0.048 for C-type
rotation period rot_per 16.92 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2009) Minor Planet Bull. 36, 157-158.]
[Shevchenko, V.G.; Velichko, F.P.; Checha, V.A.; Krugly, Y.N. (2014) Minor Planet Bull. 41, 195-198.]
[Wang, X.; Muinonen, K.; Wang, Y. (2015) Planet. Space Sci. 118, 242-249.]
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.715   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=9.43, mean=15.13, max.=18.54) deg.
U-B UB 0.346   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=9.43, mean=15.13, max.=18.54) deg.
Tholen spectral type spec_T XC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

362 Havnia (A893 EG)          Discovered 1893-Mar-12 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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