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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 58 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2997831254509147 3.2313e-08  
a 2.792874444836978 7.2844e-09 au
q 1.95561781477176 8.9591e-08 au
i 8.218209922514578 3.9059e-06 deg
node 126.3357746536368 2.5276e-05 deg
peri 298.9888323468533 2.5993e-05 deg
M 288.268316692474 7.472e-06 deg
tp 2459340.191020563323
(2021-May-05.69102056)
3.5836e-05 TDB
period 1704.808276679129
4.67
6.6697e-06
1.826e-08
d
yr
n .2111674403066953 8.2615e-10 deg/d
Q 3.630131074902195 9.4681e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2921  
   data-arc span      44133 days (120.83 yr)  
   first obs. used      1899-10-04  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4614  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:15:43  

Additional Information
 Earth MOID = .98482 au 
 Jupiter MOID = 1.7621 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 9.4   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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