Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
910 Anneliese (A919 EC)
Classification: Main-belt Asteroid          SPK-ID: 2000910
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1551860786777831 1.2952e-08  
a 2.928006075250992 8.9587e-09 au
q 2.473620294088064 3.79e-08 au
i 9.205147626075647 1.0386e-06 deg
node 49.85499004424928 5.6992e-06 deg
peri 208.4320106623471 1.0072e-05 deg
M 58.98146453001483 6.2523e-06 deg
tp 2459096.673898147695
(2020-Sep-04.17389815)
3.1821e-05 TDB
period 1830.022321875411
5.01
8.3989e-06
2.299e-08
d
yr
n .1967189119480637 9.0284e-10 deg/d
Q 3.382391856413919 1.0349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3461  
   data-arc span      37373 days (102.32 yr)  
   first obs. used      1919-03-01  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:42:54  

Additional Information
 Earth MOID = 1.4635 au 
 Jupiter MOID = 1.68281 au 
 T_jup = 3.240 
[ 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 10.54   n/a E2021B10  
diameter diameter 48.590 km 0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.2863 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Alvarez, E.M. (2015) Minor Planet Bull. 42, 252-253.]
[Oey, J.; Groom, R. (2018) Minor Planet Bull. 45, 363-366.]
geometric albedo albedo 0.057   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Ch   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)

910 Anneliese (A919 EC)          Discovered 1919-Mar-01 by Reinmuth, K. 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
1917-Nov-20 00:42 00:01 Jupiter 1.69101110193702 1.69101075660082 1.69101144727562 2.50147533481372 2.29250620609112 2421552.529049412 1.23360242909734 110.174638311189 2.44959627217795 -79.2631799417256 7502960.23311845 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:43:58 2021-Jul-08 11:43
1952-May-23 01:38 < 00:01 Jupiter 1.7538370132282 1.75383665789668 1.75383736856192 2.86589022558144 2.69210306032996 2434155.568356578 0.793847024594929 111.445666696382 4.31387310015335 -83.2793711569781 7552257.04948511 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:43:58 2021-Jul-08 11:43
2013-Jan-29 03:48 < 00:01 Jupiter 1.73289156109873 1.73289142642128 1.73289169577639 2.37284697811926 2.1570396286854 2456321.658651992 0.145657228129537 32.7794026592359 3.70589423260569 -76.1647426994038 7458910.25031696 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:43:58 2021-Jul-08 11:43
2047-Jul-31 07:19 < 00:01 Jupiter 1.71384555607465 1.71384525652617 1.713845855624 2.7893719112564 2.60617515472497 2468922.804581315 0.477044251694504 75.0378078934102 3.82669047907827 -82.9474177518437 6796789.21257934 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:43:58 2021-Jul-08 11:43
2108-Apr-12 03:35 00:01 Jupiter 1.78961981130301 1.7896192514475 1.78962037116086 2.23147685254369 2.00820666848684 2491092.649345758 1.29684243311003 114.712913158244 4.76941608444322 -71.6899250702551 7720602.87052219 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:43:58 2021-Jul-08 11:44
2142-Oct-09 13:22 00:02 Jupiter 1.68863021700401 1.68862987354738 1.68863056046082 2.67580773663797 2.481277980725 2503691.057189784 1.66801983145251 55.6995432842725 3.02663136423006 -82.9002487274781 3556560.04958301 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:43:58 2021-Jul-08 11:44
2177-Apr-03 09:53 00:02 Jupiter 1.9354073034235 1.93540588609188 1.9354087207647 3.37649794752283 3.24429455634971 2516285.912114949 2.18627984503564 231.948673313095 7.51689737572724 -75.0077793901645 7477705.5922826 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:43:58 2021-Jul-08 11:44

Alternate Designations
 A919 EC = 1946 SJ = 1975 AH = A924 BD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-03 17:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin