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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 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1911-Jul-12 11:13 < 00:01 Jupiter 1.92890314684812 1.92890250047143 1.92890379322642 0.657625809577824 n/a 2419229.967220508 0.986406218462511 148.726884587377 25.6730534299942 -82.3550408535644 11140085.2649644 F 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:59 2020-Nov-13 04:29
1996-Mar-05 03:04 < 00:01 Jupiter 1.8108173427798 1.81081698267372 1.8108177028869 1.56876853581507 1.2351197059538 2450147.627967392 0.232672048258946 124.592475237799 110.48710949071 58.063942821504 1639896.68137618 T 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:59 2020-Nov-13 04:29
2019-Feb-22 21:13 < 00:01 Jupiter 1.77062338150543 1.77062305394684 1.77062370906542 0.955721427271915 n/a 2458537.384049717 0.175191857133793 223.536286989703 15.2910340146233 -88.5242796730985 17312259.25733 F 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:59 2020-Nov-13 04:29
2042-Jan-29 16:24 < 00:01 Jupiter 1.93370168823577 1.93370125696756 1.93370211950432 0.708174951428236 n/a 2466914.183191693 0.388756876486437 172.790162207455 20.9018307305127 -88.3094504247794 13830457.7751604 F 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:59 2020-Nov-13 04:29
2126-Sep-21 10:14 00:01 Jupiter 1.79250358093524 1.79250309953935 1.79250406233672 1.64685370224248 1.3293062355395 2497828.926185413 1.05863300570574 219.796594631275 97.7149153018618 -78.8504652229876 1605461.89909653 T 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:59 2020-Nov-13 04:29
2149-Sep-13 05:42 00:01 Jupiter 1.76226512362892 1.76226472212497 1.76226552513337 1.09360828928941 0.484448846026447 2506221.737163085 1.27468752325478 2303.01942108014 264.479163826042 0.287592178873584 1049663.04543505 T 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:59 2020-Nov-13 04:29
2172-Aug-20 10:02 00:02 Jupiter 1.93604627232745 1.93604524927037 1.93604729541127 0.789747284622224 n/a 2514598.918128087 1.66808825170838 438.250850620862 28.8774312304865 -84.4811109578789 9980804.13270705 F 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:59 2020-Nov-13 04:29

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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