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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 64 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2997375098242281 1.8459e-08  
a 2.791593471160823 6.1652e-09 au
q 1.954848195673505 5.3134e-08 au
i 8.218835725694328 1.165e-06 deg
node 126.3380117965058 2.5073e-06 deg
peri 299.0696602292109 4.98e-06 deg
M 330.4434810960299 4.8228e-06 deg
tp 2459340.370932282702
(2021-May-05.87093228)
2.2987e-05 TDB
period 1703.635525731994
4.66
5.6437e-06
1.545e-08
d
yr
n .2113128040373074 7.0003e-10 deg/d
Q 3.628338746648141 8.0132e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3389  
   data-arc span      44335 days (121.38 yr)  
   first obs. used      1899-10-04  
   last obs. used      2021-02-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:51:00  

Additional Information
 Earth MOID = .983502 au 
 Jupiter MOID = 1.76401 au 
 T_jup = 3.247 
[ show covariance matrix ]

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 9.38   n/a E2021B10 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. 2020-October); 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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