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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2236288370095814 3.2305e-08  
a 2.354177058348673 4.3637e-09 au
q 1.827715180675521 7.6284e-08 au
i 10.86264721825796 3.8372e-06 deg
node 200.8022468799576 1.829e-05 deg
peri 142.6731083688978 1.9962e-05 deg
M 314.7983639304662 9.4948e-06 deg
tp 2459366.156608274255
(2021-May-31.65660827)
3.4997e-05 TDB
period 1319.341160284396
3.61
3.6683e-06
1.004e-08
d
yr
n .2728634646116844 7.5867e-10 deg/d
Q 2.880638936021823 5.3396e-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 = .832503 au 
 Jupiter MOID = 2.60152 au 
 T_jup = 3.498 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455577.5 (2011-Jan-16.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2238782039353913 3.2274e-08  
q 1.826776698391323 7.6219e-08 au
tp 2455406.896613824437
(2010-Jul-29.39661382)
3.1458e-05 TDB
node 200.9240279771088 1.8335e-05 deg
peri 142.2698793117864 1.9978e-05 deg
i 10.84745012791449 3.8337e-06 deg
  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
 Jupiter MOID = 2.60152 au 
 T_jup = 3.498 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.041618580454662E-15 -2.45736353377834E-15 9.329740246788079E-16 -1.296413316614439E-15 1.20568486464569E-14 2.079557224578389E-16
q -2.45736353377834E-15 5.809324762816168E-15 1.671114848698258E-14 2.802093592182374E-15 -2.432842369455954E-14 -4.619985469392766E-16
tp 9.329740246788079E-16 1.671114848698258E-14 9.896032246899323E-10 -3.316099814626301E-12 2.598457064038359E-10 1.599326293563853E-14
node -1.296413316614439E-15 2.802093592182374E-15 -3.316099814626301E-12 3.361822270430711E-10 -3.306798079718886E-10 5.493741533476648E-13
peri 1.20568486464569E-14 -2.432842369455954E-14 2.598457064038359E-10 -3.306798079718886E-10 3.991179417570682E-10 -5.163126091661578E-13
i 2.079557224578389E-16 -4.619985469392766E-16 1.599326293563853E-14 5.493741533476648E-13 -5.163126091661578E-13 1.469709742553203E-11

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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