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415 Palatia (A896 CA)
Classification: Main-belt Asteroid          SPK-ID: 2000415
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2997831492034613 2.9255e-08  
a 2.792874449290924 6.8478e-09 au
q 1.955617751552608 8.1782e-08 au
i 8.218208059277428 3.7926e-06 deg
node 126.3357889059647 2.4263e-05 deg
peri 298.9888200761064 2.5031e-05 deg
M 288.2683119525666 6.997e-06 deg
tp 2459340.191043822112
(2021-May-05.69104382)
3.3446e-05 TDB
period 1704.808280757252
4.67
6.27e-06
1.717e-08
d
yr
n .2111674398015553 7.7664e-10 deg/d
Q 3.630131147029239 8.9007e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3099  
   data-arc span      44220 days (121.07 yr)  
   first obs. used      1899-10-04  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45361  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:29:50  

Additional Information
 Earth MOID = .98482 au 
 Jupiter MOID = 1.7621 au 
 T_jup = 3.247 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456080.5 (2012-Jun-02.0) TDB
Reference: JPL 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3015598670962065 2.9131e-08  
q 1.949267867592297 8.1407e-08 au
tp 2455920.479442386956
(2011-Dec-24.97944239)
2.9919e-05 TDB
node 126.998955801066 2.4547e-05 deg
peri 297.0236670575696 2.523e-05 deg
i 8.171773547977015 3.7733e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3099  
   data-arc span      44220 days (121.07 yr)  
   first obs. used      1899-10-04  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45361  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:29:50  

Additional Information
 Jupiter MOID = 1.7621 au 
 T_jup = 3.247 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.485907081921009E-16 -2.367939533870162E-15 8.636095246814707E-14 5.587597933871891E-15 1.384930306219172E-14 1.469872933215008E-15
q -2.367939533870162E-15 6.627128924578314E-15 -2.221761825622267E-13 -1.765481457590906E-14 -3.255561556887846E-14 -4.190187158339932E-15
tp 8.636095246814707E-14 -2.221761825622267E-13 8.951722848148849E-10 -3.45777646592892E-12 1.892675353107485E-10 5.05310891449158E-13
node 5.587597933871891E-15 -1.765481457590906E-14 -3.45777646592892E-12 6.025356865491722E-10 -5.96652008094154E-10 -1.678345861830967E-12
peri 1.384930306219172E-14 -3.255561556887846E-14 1.892675353107485E-10 -5.96652008094154E-10 6.365474390054651E-10 1.710037457892377E-12
i 1.469872933215008E-15 -4.190187158339932E-15 5.05310891449158E-13 -1.678345861830967E-12 1.710037457892377E-12 1.423783861152268E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.4   n/a MPO492753 IRAS observations used: 31
diameter diameter 83.560 km 1.358 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 20.73 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Slivan, S.M.; Nielsen, E.D.; Rivkin, T.E. (1998) Minor Planet Bull. 25, 23-25.]
geometric albedo albedo 0.063   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.714   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=15.28, mean=16.45, max.=17.64) deg.
U-B UB 0.231   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=15.28, mean=16.45, max.=17.64) deg.
Tholen spectral type spec_T DP   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo

415 Palatia (A896 CA)          Discovered 1896-Feb-07 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A896 CA = 1954 MG = 1959 OF = A899 TB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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