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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1551860783999793 1.2879e-08  
a 2.928006075950369 8.7756e-09 au
q 2.473620295492319 3.7491e-08 au
i 9.205147430495145 1.0316e-06 deg
node 49.85498920554027 5.6713e-06 deg
peri 208.432010668605 1.0029e-05 deg
M 58.98146497369815 6.2299e-06 deg
tp 2459096.673895784853
(2020-Sep-04.17389578)
3.1684e-05 TDB
period 1830.022322531083
5.01
8.2272e-06
2.252e-08
d
yr
n .196718911877582 8.8439e-10 deg/d
Q 3.382391856408418 1.0137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3554  
   data-arc span      37416 days (102.44 yr)  
   first obs. used      1919-03-01  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:08:20  

Additional Information
 Earth MOID = 1.4635 au 
 Jupiter MOID = 1.68281 au 
 T_jup = 3.240 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456690.5 (2014-Feb-02.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527816314560403 1.2996e-08  
q 2.481425232767849 3.7472e-08 au
tp 2457265.456979986822
(2015-Aug-30.95697999)
3.3585e-05 TDB
node 50.00088265033374 5.665e-06 deg
peri 207.7170540138913 1.0141e-05 deg
i 9.207916694588704 1.0327e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3554  
   data-arc span      37416 days (102.44 yr)  
   first obs. used      1919-03-01  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:08:20  

Additional Information
 Jupiter MOID = 1.68281 au 
 T_jup = 3.240 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.689051742888676E-16 -4.778920178378994E-16 -1.295416679857381E-13 1.128139818091745E-14 -3.839566425699014E-14 -1.310084820828551E-15
q -4.778920178378994E-16 1.404120997703767E-15 3.078512746316859E-13 -3.515090537236003E-14 9.585566928467106E-14 2.952115290819339E-15
tp -1.295416679857381E-13 3.078512746316859E-13 1.127939464034757E-9 -1.341970641574681E-11 2.929616453253204E-10 1.101920170180441E-11
node 1.128139818091745E-14 -3.515090537236003E-14 -1.341970641574681E-11 3.209248905333922E-11 -3.231426666920435E-11 3.613274140484683E-12
peri -3.839566425699014E-14 9.585566928467106E-14 2.929616453253204E-10 -3.231426666920435E-11 1.028311960496408E-10 -7.351136025413308E-13
i -1.310084820828551E-15 2.952115290819339E-15 1.101920170180441E-11 3.613274140484683E-12 -7.351136025413308E-13 1.066515651779417E-12

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 10.55   n/a MPO636074  
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 1.69101109600097 1.69101075368611 1.69101143831824 2.50147530693819 2.29250617490766 2421552.529030574 1.21528424250656 109.159818987001 2.44560922035512 -79.2721378922343 7526642.80331483 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 07:09:20 2021-Aug-25 07:09
1952-May-23 01:38 < 00:01 Jupiter 1.75383701222612 1.75383665801785 1.75383736643649 2.86589020765456 2.69210304114331 2434155.568343067 0.783608095139687 110.654401320281 4.28605470330201 -83.2588392279105 7599841.74552854 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 07:09:20 2021-Aug-25 07:09
2013-Jan-29 03:48 < 00:01 Jupiter 1.73289156351867 1.73289142968775 1.73289169734969 2.37284691327321 2.15703955766807 2456321.658661029 0.144024296432817 32.4032895542558 3.69940279351719 -76.1878146430283 7479196.31469378 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 07:09:20 2021-Aug-25 07:09
2047-Jul-31 07:19 < 00:01 Jupiter 1.71384554601576 1.7138452513427 1.71384584068959 2.78937184158534 2.60617507904349 2468922.804594229 0.46500518577808 74.3796039776132 3.75263936758084 -83.0082097617751 6857433.9158057 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 07:09:20 2021-Aug-25 07:09
2108-Apr-12 03:35 00:01 Jupiter 1.78961982847124 1.78961928382916 1.78962037311555 2.23147676945356 2.00820657841979 2491092.649381561 1.26931169597234 111.836905080264 4.75464548848603 -71.6693400680673 7762600.18233974 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 07:09:20 2021-Aug-25 07:09
2142-Oct-09 13:22 00:02 Jupiter 1.68863020749987 1.68862986939301 1.68863054560691 2.67580769240931 2.48127793189106 2503691.057209282 1.63427308299937 55.5819747503208 2.9538711982226 -82.9260811846236 3625389.74539268 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 07:09:20 2021-Aug-25 07:09
2177-Apr-03 09:53 00:02 Jupiter 1.93540726430439 1.9354058787191 1.93540864989881 3.37649787113491 3.24429447412244 2516285.912143144 2.14272412040666 227.137039677198 7.46084242243312 -75.0369874714433 7512477.26767702 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 07:09:20 2021-Aug-25 07:09

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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