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219 Thusnelda (A880 SA)
Classification: Main-belt Asteroid          SPK-ID: 2000219
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2235658471341924 3.2302e-08  
a 2.353573267506315 4.4114e-09 au
q 1.827394666163876 7.6212e-08 au
i 10.86373776557117 3.8375e-06 deg
node 200.810952188443 1.8289e-05 deg
peri 142.7273610416912 1.9961e-05 deg
M 260.1466816507287 9.4331e-06 deg
tp 2459366.305315585428
(2021-May-31.80531559)		 3.4997e-05 TDB
period 1318.833623036177
3.61		 3.7079e-06
1.015e-08		 d
yr
n .2729684728322435 7.6745e-10 deg/d
Q 2.879751868848753 5.3976e-09 au
   Orbit Determination Parameters
   # obs. used (total)      3587  
   data-arc span      44573 days (122.03 yr)  
   first obs. used      1898-09-15  
   last obs. used      2020-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:32:05  

Additional Information
 Earth MOID = .833871 au 
 Jupiter MOID = 2.60175 au 
 T_jup = 3.498 
[ 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 9.2   n/a MPO473763 IRAS observations used: 17
diameter diameter 37.674 km 0.509 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 59.74 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Santana-Ros, T.; et al. (2015) Planet. Space Sci. 118, 256-266.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.189   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.905   0.005 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=8.00, mean=8.81, max.=10.81) deg.
U-B UB 0.482   0.014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=7; phase (min.=8.00, mean=8.98, max.=10.81) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

219 Thusnelda (A880 SA)          Discovered 1880-Sep-30 by Palisa, J. at Pola
Reference: DISCOVERY.DBLast Updated: 2003-08-29
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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