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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2236288388705823 3.2229e-08  
a 2.354177055471818 4.3576e-09 au
q 1.827715174060889 7.6093e-08 au
i 10.8626472763858 3.8161e-06 deg
node 200.8022470104395 1.8282e-05 deg
peri 142.6731079123469 1.9945e-05 deg
M 314.7983653861961 9.4907e-06 deg
tp 2459366.156602635589
(2021-May-31.65660264)
3.4982e-05 TDB
period 1319.341157866002
3.61
3.6632e-06
1.003e-08
d
yr
n .2728634651118518 7.5761e-10 deg/d
Q 2.880638936882747 5.3321e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3612  
   data-arc span      44573 days (122.03 yr)  
   first obs. used      1898-09-15  
   last obs. used      2020-09-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40923  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:30:37  

Additional Information
 Earth MOID = .832503 au 
 Jupiter MOID = 2.60152 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 9.28   n/a E2021B10 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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