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JPL Small-Body Database Browser
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515 Athalia (A903 SH)
Classification: Main-belt Asteroid          SPK-ID: 2000515
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756921448772098 3.5501e-08  
a 3.120856744539803 1.2575e-08 au
q 2.572546729237099 1.1522e-07 au
i 2.038477875050232 3.6342e-06 deg
node 121.0914050907187 0.00011473 deg
peri 300.3011747203087 0.00011521 deg
M 357.4314030343795 1.072e-05 deg
tp 2459014.868209180834
(2020-Jun-14.36820918)
5.9993e-05 TDB
period 2013.766805120689
5.51
1.2171e-05
3.332e-08
d
yr
n .178769457856082 1.0805e-09 deg/d
Q 3.669166759842508 1.4784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2799  
   data-arc span      42475 days (116.29 yr)  
   first obs. used      1903-09-20  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:30:47  

Additional Information
 Earth MOID = 1.58623 au 
 Jupiter MOID = 1.66671 au 
 T_jup = 3.191 
[ 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 10.8   n/a MPO502158 IRAS observations used: 8
diameter diameter 41.190 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.636 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2015) Minor Planet Bull. 42, 91-94.]
geometric albedo albedo 0.039   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.875   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=9.50 deg.
U-B UB 0.415   0.050 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=9.50 deg.
Tholen spectral type spec_T I   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Cb   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

515 Athalia (A903 SH)          Discovered 1903-Sep-20 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
1913-Sep-27 02:31 00:02 Jupiter 1.80835632163372 1.80835559854097 1.80835704472636 2.35364910194026 2.14543163677487 2420037.604858106 1.97231910899623 62.9797147712987 4.20235615539115 -89.8164974967896 1900165.71151742 T 37 CATAB v2.0f-lin.ifort 2020-Jan-28 17:31:28 2020-Jan-28 17:31
1923-Nov-28 12:23 00:02 Jupiter 1.71653269982524 1.7165322637859 1.71653313586428 1.58369022772036 1.23335938488519 2423752.015750989 1.71547930241684 84.030050910733 50.8071353066082 -71.2662688138534 2486138.69012986 T 37 CATAB v2.0f-lin.ifort 2020-Jan-28 17:31:28 2020-Jan-28 17:31
1934-Feb-09 08:31 00:01 Jupiter 1.98801177037451 1.98801101376847 1.98801252698099 2.50242124552126 2.32593675913125 2427477.855200124 1.45130667658959 82.2133621724011 8.67840531235255 82.2922451964306 2848046.26563967 T 37 CATAB v2.0f-lin.ifort 2020-Jan-28 17:31:28 2020-Jan-28 17:31
1985-Dec-21 08:04 < 00:01 Jupiter 1.99402169649831 1.99402119830244 1.99402219469419 3.57778645145092 3.45702095838024 2446420.836010290 0.593106664581966 41.9795881513679 16.867317553816 76.4726102271948 3175907.35110354 T 37 CATAB v2.0f-lin.ifort 2020-Jan-28 17:31:28 2020-Jan-28 17:31
1996-Feb-24 13:34 < 00:01 Jupiter 1.71797812116937 1.7179777940833 1.71797844825525 1.80389111486039 1.50597281423673 2450138.065388727 0.422053002402059 51.6847882660393 23.5751049877525 88.6254495300182 2842219.5843471 T 37 CATAB v2.0f-lin.ifort 2020-Jan-28 17:31:28 2020-Jan-28 17:31
2006-Apr-30 14:08 < 00:01 Jupiter 1.79777240626339 1.7977720322079 1.79777278031867 1.79448304204211 1.50926045179788 2453856.089188817 0.24506574285442 60.1721728407651 22.6949586123758 -80.678246785725 2704140.65098072 T 37 CATAB v2.0f-lin.ifort 2020-Jan-28 17:31:28 2020-Jan-28 17:31
2068-May-24 22:22 00:01 Jupiter 1.84218472062154 1.84218424222682 1.84218519901626 2.6379125688764 2.45743727096297 2476526.431865029 1.00519335129985 48.1175650430993 8.28267809682546 87.6061400722759 2472959.93856735 T 37 CATAB v2.0f-lin.ifort 2020-Jan-28 17:31:28 2020-Jan-28 17:31
2078-Jul-24 18:24 00:01 Jupiter 1.68849164567117 1.68849133844443 1.68849195289753 1.56388836457619 1.20102366929755 2480239.266651704 1.22697358366231 70.7373987474963 64.2211259123107 83.8102735883431 2567139.07880448 T 37 CATAB v2.0f-lin.ifort 2020-Jan-28 17:31:28 2020-Jan-28 17:31
2088-Oct-02 02:49 00:01 Jupiter 1.93206751828447 1.93206687166981 1.93206816489957 2.27351879325962 2.07173440450219 2483961.617442927 1.43315084665707 83.0666512609243 6.28391088005056 85.0485035357423 3012457.92924765 T 37 CATAB v2.0f-lin.ifort 2020-Jan-28 17:31:28 2020-Jan-28 17:31
2150-Oct-22 21:36 00:03 Jupiter 1.72448181764269 1.72448114480659 1.72448249047839 1.94987386015308 1.67918369634535 2506626.399850798 2.60476865788552 80.5046249290865 27.7199829497984 -64.4508474216567 1598863.47785333 T 37 CATAB v2.0f-lin.ifort 2020-Jan-28 17:31:28 2020-Jan-28 17:31
2160-Dec-24 13:13 00:03 Jupiter 1.74718330160015 1.74718256800867 1.74718403519212 1.66475948698402 1.34232552955581 2510342.050873915 2.7844269899942 111.989683674277 36.0202048139278 -78.8977462623798 2451094.30354902 T 37 CATAB v2.0f-lin.ifort 2020-Jan-28 17:31:28 2020-Jan-28 17:31

Alternate Designations
 A903 SH = 1931 TQ = 1937 WO = 1937 WQ = 1937 WR = 1937 YH = 1953 TD = 1974 QA3 = 1977 CF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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