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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04390187384790283 3.3721e-08  
a 2.578979570006168 6.491e-09 au
q 2.465757534267439 8.5934e-08 au
i 8.063041651135505 4.3852e-06 deg
node 27.32292939126406 2.6913e-05 deg
peri 31.67210500092536 5.9319e-05 deg
M 13.69100131834713 5.1756e-05 deg
tp 2458942.968858509908
(2020-Apr-03.46885851)
0.00021752 TDB
period 1512.760860571848
4.14
5.7112e-06
1.564e-08
d
yr
n .2379754853413608 8.9844e-10 deg/d
Q 2.692201605744898 6.776e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2767  
   data-arc span      43948 days (120.32 yr)  
   first obs. used      1899-10-09  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46223  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:25:24  

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. 2019-August); 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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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