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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2235658478390684 3.2604e-08  
a 2.35357326758278 4.4402e-09 au
q 1.827394664564269 7.687e-08 au
i 10.86373777186698 3.8579e-06 deg
node 200.8109520968088 1.8502e-05 deg
peri 142.7273610958627 2.0153e-05 deg
M 260.1466815895837 9.4355e-06 deg
tp 2459366.305315827255
(2021-May-31.80531583)
3.5007e-05 TDB
period 1318.833623100448
3.61
3.7321e-06
1.022e-08
d
yr
n .2729684728189409 7.7247e-10 deg/d
Q 2.879751870601291 5.4329e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3461  
   data-arc span      44469 days (121.75 yr)  
   first obs. used      1898-09-15  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:09:22  

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. 2019-August); 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.]
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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