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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 ]

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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 56 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2997831090058091 3.4305e-08  
a 2.792874441843798 7.5806e-09 au
q 1.955617858605 9.4706e-08 au
i 8.218210373837385 3.9308e-06 deg
node 126.3357689697748 2.6008e-05 deg
peri 298.988837104591 2.6708e-05 deg
M 288.2683195512369 7.7437e-06 deg
tp 2459340.191006479347
(2021-May-05.69100648)
3.7208e-05 TDB
period 1704.808273938513
4.67
6.941e-06
1.9e-08
d
yr
n .2111674406461638 8.5975e-10 deg/d
Q 3.630131025082596 9.8532e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2769  
   data-arc span      44033 days (120.56 yr)  
   first obs. used      1899-10-04  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:05:23  

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

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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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