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526 Jena (A904 EE)
Classification: Main-belt Asteroid          SPK-ID: 2000526
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335196573382354 3.0513e-08  
a 3.120829717267734 1.0758e-08 au
q 2.704137602807164 9.3174e-08 au
i 2.173689314437754 3.373e-06 deg
node 137.7655104142702 9.3223e-05 deg
peri 357.3869228470512 9.4149e-05 deg
M 64.9560172669466 1.3524e-05 deg
tp 2458637.153966238322
(2019-Jun-02.65396624)
7.5161e-05 TDB
period 2013.740645714822
5.51
1.0412e-05
2.851e-08
d
yr
n .1787717801525578 9.2434e-10 deg/d
Q 3.537521831728304 1.2194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3426  
   data-arc span      43422 days (118.88 yr)  
   first obs. used      1901-10-11  
   last obs. used      2020-08-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:28:39  

Additional Information
 Earth MOID = 1.71814 au 
 Jupiter MOID = 1.49655 au 
 T_jup = 3.201 
[ 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 10.1   n/a MPO473768 IRAS observations used: 10
diameter diameter 44.840 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.474 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Barucci, M.A.; Di Martino, M.; Dotto, E.; Fulchignoni, M.; et al. (1994) Icarus 109, 267-273.]
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hamanowa, H.; Hamanowa, H. (2011) http://www2.ocn.ne.jp/~hamaten/astlcdata.htm]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.077   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.643   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=19.05 deg.
U-B UB 0.367   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=19.05 deg.
Tholen spectral type spec_T B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

526 Jena (A904 EE)          Discovered 1904-Mar-14 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
1940-Oct-23 11:36 00:01 Jupiter 1.89483891374284 1.89483815298776 1.89483967449792 3.23804961029512 3.09692333114158 2429925.983390412 1.21519252557637 49.3378180514232 16.9033154417675 62.3027979113745 2567914.09044513 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:48 2020-Nov-13 04:28
1950-Dec-14 10:19 00:01 Jupiter 1.51097652630536 1.51097612989805 1.51097692271216 1.5060369621951 1.07097538023791 2433629.929515065 1.07248844984988 120.623992324032 104.055278809794 10.2544140761973 1925632.58895493 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:48 2020-Nov-13 04:28
1961-Feb-04 14:10 < 00:01 Jupiter 1.73265827178218 1.73265780873332 1.73265873483085 1.98869201587038 1.72545109539802 2437335.089936658 0.865703814820696 42.9912597075708 9.49164516528057 -87.5186381193792 2724611.84423874 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:48 2020-Nov-13 04:28
2023-May-15 13:27 < 00:01 Jupiter 1.73285774073077 1.7328573860928 1.73285809536874 2.47347174551557 2.26725838161983 2460080.060740989 0.27783066345025 35.5679274849974 4.91396219034363 84.9852241188337 3196102.04224841 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:48 2020-Nov-13 04:28
2033-Jul-01 09:12 < 00:01 Jupiter 1.50949916230724 1.50949882137774 1.5094995032364 1.42260810722818 0.949503801571993 2463779.883367073 0.446723069700975 160.383583034744 80.9955743543571 31.5376036960106 2653314.84813514 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:48 2020-Nov-13 04:28
2043-Aug-25 13:44 < 00:01 Jupiter 1.90701909411075 1.90701855325102 1.90701963497037 2.60202074500105 2.42532286465857 2467487.072198224 0.609519905852315 36.4380372528599 14.0811196362428 -89.4223910999921 2656236.14836257 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:48 2020-Nov-13 04:28
2105-Nov-28 17:23 00:02 Jupiter 1.59194871495686 1.59194802755245 1.59194940236145 1.8613558976565 1.54935885435695 2490227.224070441 1.74250585994546 98.5976319879958 32.1482576816107 -77.9348529927659 1881367.15595989 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:48 2020-Nov-13 04:28
2116-Jan-17 16:57 00:02 Jupiter 1.59072453931183 1.59072364391532 1.59072543470807 1.61008822485593 1.23589329948231 2493929.206395387 1.92187947403314 125.726071521574 45.4609753031382 52.3947596122064 2156629.21775213 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:48 2020-Nov-13 04:28
2178-Apr-24 18:43 00:03 Jupiter 1.90108463528088 1.90108289839946 1.90108637216241 3.21693827436057 3.0753207805566 2516672.279522051 2.87944020229149 92.962234902786 20.3058625693823 49.0693991761236 1875302.92867417 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:48 2020-Nov-13 04:28
2188-Jun-13 12:18 00:03 Jupiter 1.49960768388684 1.49960718600091 1.49960818177506 1.48930447442726 1.04324925476507 2520375.012353274 3.18322695677827 240.918369971828 126.993094465996 -58.0519123719194 1809525.3116668 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:48 2020-Nov-13 04:28
2198-Aug-04 12:26 00:03 Jupiter 1.72223142416417 1.72222947662254 1.72223337170297 2.01390211029498 1.7527600847951 2524079.017924595 3.36364894836179 69.6881920101929 9.59731410763151 87.1012068769316 1091544.53767828 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:48 2020-Nov-13 04:28

Alternate Designations
 A904 EE = A901 TF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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