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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546194199170438 1.2993e-08  
a 2.927285921764232 8.6526e-09 au
q 2.474670670609718 3.7901e-08 au
i 9.206419441192457 1.0404e-06 deg
node 49.92313796711404 5.7021e-06 deg
peri 208.4801908141851 1.0105e-05 deg
M 20.36843713253723 6.2871e-06 deg
tp 2459096.997378625819
(2020-Sep-04.49737863)
3.1967e-05 TDB
period 1829.347212662828
5.01
8.1109e-06
2.221e-08
d
yr
n .1967915098391727 8.7253e-10 deg/d
Q 3.379901172918747 9.9905e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3385  
   data-arc span      37105 days (101.59 yr)  
   first obs. used      1919-03-01  
   last obs. used      2020-10-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41761  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:37:03  

Additional Information
 Earth MOID = 1.4628 au 
 Jupiter MOID = 1.68665 au 
 T_jup = 3.241 
[ 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

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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 1.69101110373975 1.69101075787738 1.69101144960453 2.50147534931135 2.29250622214317 2421552.529051646 1.2369977510136 110.356086608505 2.45071917309436 -79.2611187293423 7498813.85758124 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 11:38:07 2021-Apr-12 11:38
1952-May-23 01:38 < 00:01 Jupiter 1.75383701273811 1.75383665713063 1.75383736834769 2.86589027228073 2.69210310999377 2434155.568349357 0.795776225278219 111.61373006789 4.31799759111565 -83.2828718927487 7545307.1862485 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 11:38:07 2021-Apr-12 11:38
2013-Jan-29 03:48 < 00:01 Jupiter 1.73289156034033 1.73289142551049 1.73289169517037 2.37284699501157 2.15703964716857 2456321.658648469 0.145887756004005 32.8426502958084 3.70714219823049 -76.1636290306666 7455480.77812728 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 11:38:07 2021-Apr-12 11:38
2047-Jul-31 07:19 < 00:01 Jupiter 1.71384555908844 1.71384525878787 1.71384585938988 2.78937189241117 2.60617513488852 2468922.804585123 0.479112549015784 75.1351414053496 3.83919993744525 -82.9376164774251 6787426.90309633 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 11:38:07 2021-Apr-12 11:38
2108-Apr-12 03:35 00:01 Jupiter 1.78961980415546 1.78961924160436 1.78962036670899 2.23147682819678 2.00820664049178 2491092.649351549 1.30170586895889 115.22295411244 4.77241206747671 -71.6946252032031 7713178.40380691 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 11:38:07 2021-Apr-12 11:38
2142-Oct-09 13:22 00:02 Jupiter 1.68863022079078 1.68862987647046 1.68863056511129 2.67580776712844 2.48127801405922 2503691.057174345 1.67402330906552 55.7140042565503 3.03966927895735 -82.8968338809707 3544956.95771726 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 11:38:07 2021-Apr-12 11:38
2177-Apr-03 09:53 00:02 Jupiter 1.93540732378028 1.93540590091817 1.93540874665195 3.37649804653302 3.24429466081337 2516285.912088713 2.19406358205589 232.799937354109 7.52496452579467 -75.0033847719685 7472921.35877596 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 11:38:07 2021-Apr-12 11:38

Alternate Designations
 A919 EC = 1946 SJ = 1975 AH = A924 BD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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