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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 60 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2997831480290877 2.8692e-08  
a 2.792874449111185 6.773e-09 au
q 1.95561775470663 8.0348e-08 au
i 8.218207852957839 3.7474e-06 deg
node 126.335789930873 2.4108e-05 deg
peri 298.988818995576 2.4886e-05 deg
M 288.2683121411467 6.8987e-06 deg
tp 2459340.191042896285
(2021-May-05.69104290)
3.2954e-05 TDB
period 1704.808280592679
4.67
6.2015e-06
1.698e-08
d
yr
n .2111674398219402 7.6816e-10 deg/d
Q 3.63013114351574 8.8035e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3137  
   data-arc span      44233 days (121.10 yr)  
   first obs. used      1899-10-04  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:53:27  

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. 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

[ 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 1.92890314510669 1.92890249972517 1.92890379048983 0.657625781940186 n/a 2419229.967226267 0.98103576714663 147.323736459231 25.4162911357944 -82.1811469754231 11248125.3611614 F 60 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:37 2020-Dec-18 01:53
1996-Mar-05 03:04 < 00:01 Jupiter 1.81081734572799 1.81081698990506 1.81081770155195 1.56876842513089 1.23511956598654 2450147.627960146 0.232099062656776 122.820755165811 108.540285992743 58.8508348667414 1668934.11349974 T 60 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:37 2020-Dec-18 01:53
2019-Feb-22 21:13 < 00:01 Jupiter 1.77062338346252 1.77062306127535 1.77062370565098 0.955721379112487 n/a 2458537.384047927 0.173319695689644 219.301440257061 15.0798594900792 -88.5483141359634 17554883.3695407 F 60 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:37 2020-Dec-18 01:53
2042-Jan-29 16:24 < 00:01 Jupiter 1.93370168916803 1.93370126278593 1.93370211555048 0.708174944914005 n/a 2466914.183191206 0.384657987257438 170.18628327747 20.6363343038827 -88.2632530649244 14008060.7210053 F 60 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:37 2020-Dec-18 01:53
2126-Sep-21 10:14 00:01 Jupiter 1.79250357993979 1.79250309867005 1.79250406121514 1.64685363118673 1.3293061473124 2497828.926175162 1.05033702550634 219.651369406341 96.1243056875613 -78.7738652322952 1629639.54082029 T 60 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:37 2020-Dec-18 01:53
2149-Sep-13 05:41 00:01 Jupiter 1.7622651289294 1.76226473672072 1.76226552113848 1.09360822133194 0.484448695601508 2506221.737151029 1.26385569724627 2274.46523499129 261.915943574334 0.17608768319873 1062537.32431213 T 60 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:37 2020-Dec-18 01:53
2172-Aug-20 10:02 00:02 Jupiter 1.93604628424041 1.93604527257687 1.93604729593015 0.789747263482175 n/a 2514598.918120441 1.65409821629142 432.819099998784 28.4158259255436 -84.4613844981928 10142600.7980604 F 60 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:37 2020-Dec-18 01:53

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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