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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 ]

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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 90 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04415521064215998 1.8767e-08  
a 2.579125966258222 5.1506e-09 au
q 2.465244115945425 4.8801e-08 au
i 8.063189649940552 2.7228e-07 deg
node 27.30974620480792 3.5215e-06 deg
peri 31.56753488309518 1.3064e-05 deg
M 108.0123369506766 1.1733e-05 deg
tp 2458942.581253131368
(2020-Apr-03.08125313)
4.9446e-05 TDB
period 1512.889670624646
4.14
4.5319e-06
1.241e-08
d
yr
n .2379552236954346 7.128e-10 deg/d
Q 2.693007816571018 5.378e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3432  
   data-arc span      46862 days (128.30 yr)  
   first obs. used      1893-03-17  
   last obs. used      2021-07-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42701  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:31:29  

Additional Information
 Earth MOID = 1.47878 au 
 Jupiter MOID = 2.44549 au 
 T_jup = 3.410 
[ 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 9.17   n/a E2021B10  
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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