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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1760325049790918 1.9517e-08  
a 3.121822583943088 9.9026e-09 au
q 2.572280334391285 6.0523e-08 au
i 2.038574657910739 9.7122e-07 deg
node 121.0903674868039 2.041e-05 deg
peri 300.2861230727783 2.1439e-05 deg
M 68.19633885550239 4.9143e-06 deg
tp 2459014.846443973929
(2020-Jun-14.34644397)
2.6763e-05 TDB
period 2014.701705035885
5.52
9.5861e-06
2.625e-08
d
yr
n .1786865018777496 8.5021e-10 deg/d
Q 3.671364833494891 1.1646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3458  
   data-arc span      42996 days (117.72 yr)  
   first obs. used      1903-09-20  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:10:27  

Additional Information
 Earth MOID = 1.58561 au 
 Jupiter MOID = 1.66623 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 10.88   n/a E2021B10 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. 2020-October); 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 1.80835634348758 1.80835578555649 1.80835690141867 2.35364919492393 2.14543174262723 2420037.604707602 1.5993933963709 38.5175883154651 2.85927308004833 -89.2734006920724 7622795.22873897 T 49 CATAB v2.0g-lin.ifort 2021-Jul-08 11:11:31 2021-Jul-08 11:11
1923-Nov-28 12:22 00:01 Jupiter 1.71653279962384 1.71653255902615 1.71653304022144 1.58369055210381 1.23335982687948 2423752.015589331 1.40607333988447 35.9643113584923 28.2686185484561 -78.708604979118 4741685.98385685 T 49 CATAB v2.0g-lin.ifort 2021-Jul-08 11:11:31 2021-Jul-08 11:11
1934-Feb-09 08:31 00:01 Jupiter 1.9880118276124 1.98801126824335 1.9880123869819 2.50242159463549 2.3259371410211 2427477.855075985 1.20780647374644 62.4389756721018 4.53841976364242 81.2876872475779 4513439.79833338 T 49 CATAB v2.0g-lin.ifort 2021-Jul-08 11:11:31 2021-Jul-08 11:11
1985-Dec-21 08:04 < 00:01 Jupiter 1.99402169598032 1.99402133654 1.99402205542063 3.57778641396326 3.45702092022989 2446420.835981620 0.497972988181837 23.2607882285712 7.98889250448191 59.1734159139882 6707149.87835121 T 49 CATAB v2.0g-lin.ifort 2021-Jul-08 11:11:31 2021-Jul-08 11:11
1996-Feb-24 13:34 < 00:01 Jupiter 1.71797816334563 1.71797803228326 1.717978294408 1.80389120087024 1.50597292710731 2450138.065384514 0.367863632997059 12.9093302509487 9.65431202540647 -86.852460753423 7073021.54666535 T 49 CATAB v2.0g-lin.ifort 2021-Jul-08 11:11:31 2021-Jul-08 11:11
2006-Apr-30 14:08 < 00:01 Jupiter 1.79777245626071 1.79777217043758 1.79777274208373 1.79448323136684 1.50926068730781 2453856.089174435 0.210965156613462 22.9967454243752 11.6627226200374 -56.7455729661493 4235295.86762818 T 49 CATAB v2.0g-lin.ifort 2021-Jul-08 11:11:31 2021-Jul-08 11:11
2068-May-24 22:22 < 00:01 Jupiter 1.84218483673032 1.84218452240724 1.84218515105339 2.63791362612504 2.45743841868264 2476526.432161643 0.773137014363443 25.8141994295269 4.73145039452766 82.0576018276175 7797230.93206239 T 49 CATAB v2.0g-lin.ifort 2021-Jul-08 11:11:31 2021-Jul-08 11:11
2078-Jul-24 18:25 < 00:01 Jupiter 1.68849163541005 1.68849144580204 1.68849182501797 1.56388867391552 1.20102407186651 2480239.267164196 0.931503686578612 27.8435401891037 18.866407238489 14.8095819243887 5591480.82868647 T 49 CATAB v2.0g-lin.ifort 2021-Jul-08 11:11:31 2021-Jul-08 11:11
2088-Oct-02 02:50 00:01 Jupiter 1.93206707587045 1.93206651318037 1.93206763856075 2.27351736595856 2.0717327908969 2483961.618181245 1.07884132548486 55.5303835609204 1.86090951761152 83.604421502659 4374783.6584994 T 49 CATAB v2.0g-lin.ifort 2021-Jul-08 11:11:31 2021-Jul-08 11:11
2150-Oct-22 21:39 00:02 Jupiter 1.72448250308215 1.72448208463259 1.7244829215318 1.94987837733818 1.67918905959443 2506626.402107167 2.0343922849687 54.4280097973209 6.78776295037741 -58.8940218425201 6907984.89328372 T 49 CATAB v2.0g-lin.ifort 2021-Jul-08 11:11:31 2021-Jul-08 11:11
2160-Dec-24 13:17 00:02 Jupiter 1.74718237880797 1.74718171055844 1.74718304705769 1.66475729393348 1.3423226209664 2510342.053354668 2.16543161427176 80.2877486588611 21.79742973726 -67.078617461625 4065064.40081734 T 49 CATAB v2.0g-lin.ifort 2021-Jul-08 11:11:31 2021-Jul-08 11:11

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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