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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .29938479474557 3.4413e-08  
a 2.798750750237847 7.6561e-09 au
q 1.960847331333879 9.487e-08 au
i 8.190715851735817 3.942e-06 deg
node 126.4537715014252 2.6249e-05 deg
peri 298.3842046117621 2.6919e-05 deg
M 204.6189489097223 7.5794e-06 deg
tp 2459338.642677028737
(2021-May-04.14267703)
3.7297e-05 TDB
period 1710.191570115929
4.68
7.0175e-06
1.921e-08
d
yr
n .2105027333140209 8.6376e-10 deg/d
Q 3.636654169141815 9.9483e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2703  
   data-arc span      43848 days (120.05 yr)  
   first obs. used      1899-10-04  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47725  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:53:11  

Additional Information
 Earth MOID = .989757 au 
 Jupiter MOID = 1.75784 au 
 T_jup = 3.244 
[ 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 9.21   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 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-January); 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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