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576 Emanuela (A905 SK)
Classification: Main-belt Asteroid          SPK-ID: 2000576
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 56 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1919086002007485 1.9315e-08  
a 2.990088678650624 9.4341e-09 au
q 2.416264945854677 5.4487e-08 au
i 10.20385308117805 5.8726e-07 deg
node 299.60891315 1.4156e-06 deg
peri 27.1387994673995 4.1811e-06 deg
M 132.8194023192367 7.3359e-06 deg
tp 2458503.739454287073
(2019-Jan-20.23945429)
3.5976e-05 TDB
period 1888.532790215128
5.17
8.9378e-06
2.447e-08
d
yr
n .1906241723020289 9.0216e-10 deg/d
Q 3.563912411446571 1.1245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3585  
   data-arc span      35425 days (96.99 yr)  
   first obs. used      1924-03-08  
   last obs. used      2021-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:24:17  

Additional Information
 Earth MOID = 1.40717 au 
 Jupiter MOID = 1.78951 au 
 T_jup = 3.205 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456503.5 (2013-Jul-30.0) TDB
Reference: JPL 56 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1960798686163868 1.9529e-08  
q 2.40056805365001 5.5389e-08 au
tp 2456614.212505779166
(2013-Nov-17.71250578)
2.9924e-05 TDB
node 299.94838497288 1.4177e-06 deg
peri 26.28968888377322 4.1278e-06 deg
i 10.22826387712815 5.8775e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3585  
   data-arc span      35425 days (96.99 yr)  
   first obs. used      1924-03-08  
   last obs. used      2021-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:24:17  

Additional Information
 Jupiter MOID = 1.78951 au 
 T_jup = 3.205 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.81380336922532E-16 -1.074007531895944E-15 4.521702420530296E-13 8.706860320823718E-16 4.880686833880363E-14 -7.010242184722259E-18
q -1.074007531895944E-15 3.0678863655194E-15 -1.224087783700218E-12 -2.297100377360966E-15 -1.276435367323408E-13 4.014386387051825E-17
tp 4.521702420530296E-13 -1.224087783700218E-12 8.954206788960802E-10 3.512596628222424E-12 1.141079661681869E-10 -4.32167242252179E-13
node 8.706860320823718E-16 -2.297100377360966E-15 3.512596628222424E-12 2.009821722879378E-12 -1.300094770843174E-12 -2.450853790451532E-13
peri 4.880686833880363E-14 -1.276435367323408E-13 1.141079661681869E-10 -1.300094770843174E-12 1.70386077566773E-11 1.254250296805653E-13
i -7.010242184722259E-18 4.014386387051825E-17 -4.32167242252179E-13 -2.450853790451532E-13 1.254250296805653E-13 3.454510128534865E-13

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 9.41   n/a E2021B10  
diameter diameter 74.378 km 0.319 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 20.372 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2017) Minor Planet Bull. 44, 249-251.]
[Pilcher, F. (2018) Minor Planet Bull. 45, 18-19.]
[Pilcher, F. (2020) Minor Planet Bull. 47, 133-135.]
geometric albedo albedo 0.055   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

576 Emanuela (A905 SK)          Discovered 1905-Sep-22 by Gotz, P. 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
1907-Jun-27 01:47 00:01 Jupiter 1.79151119649548 1.79151089300267 1.7915114999948 3.22871838241188 3.0788028247599 2417753.574478898 1.40593354975517 181.364757288808 2.97927224900677 -85.7129866068026 15845013.0023344 T 56 CATAB v2.0f-lin.ifort 2021-Mar-16 11:26:23 2021-Mar-16 11:26
1944-Jan-26 19:29 < 00:01 Jupiter 1.8198229578948 1.81982253563346 1.81982338015635 2.9634120425645 2.80195046494159 2431116.312072585 0.923110679818976 67.2751573680868 20.8333504074392 -83.2014664104729 14169485.6803213 T 56 CATAB v2.0f-lin.ifort 2021-Mar-16 11:26:23 2021-Mar-16 11:26
1989-Aug-17 19:41 < 00:01 Jupiter 1.98504894596227 1.98504871661001 1.98504917531463 3.46943852473277 3.34418921867257 2447756.319843679 0.33973317607935 26.2823720872913 3.6695964065157 -67.8615206915272 18336527.8037689 T 56 CATAB v2.0f-lin.ifort 2021-Mar-16 11:26:23 2021-Mar-16 11:26
2026-Apr-01 20:58 < 00:01 Jupiter 1.78713354237584 1.78713341439016 1.78713367036172 3.22663534428275 3.07624183252408 2461132.373306280 0.18480330530556 39.0647645211329 2.03652192000256 -82.7669118072948 16065981.0104423 T 56 CATAB v2.0f-lin.ifort 2021-Mar-16 11:26:23 2021-Mar-16 11:26
2062-Nov-02 22:58 < 00:01 Jupiter 1.84430748541172 1.84430728894028 1.84430768188327 2.85171078069672 2.68583842067784 2474496.456966196 0.694231487399803 75.2484404341633 11.6867690643863 -89.6062248405813 11377746.3062558 T 56 CATAB v2.0f-lin.ifort 2021-Mar-16 11:26:23 2021-Mar-16 11:26
2108-May-27 15:55 00:01 Jupiter 1.96148700101149 1.96148635158927 1.96148765043594 3.52600381110303 3.40133053638177 2491138.163416752 1.33004534043262 112.413152841696 3.40526424304824 -74.5177584395078 19327052.3628106 T 56 CATAB v2.0f-lin.ifort 2021-Mar-16 11:26:23 2021-Mar-16 11:26
2145-Jan-05 17:29 00:02 Jupiter 1.7884407680482 1.78844051975588 1.78844101634976 3.19824958639326 3.04656879810842 2504510.228761830 1.74700649935331 222.291323039824 3.64854432319573 -88.0543280694707 15686792.5407572 T 56 CATAB v2.0f-lin.ifort 2021-Mar-16 11:26:23 2021-Mar-16 11:26
2181-Aug-12 08:05 00:02 Jupiter 1.87240063977412 1.87239983915022 1.87240144040165 2.71153388721341 2.53922647021044 2517877.837125558 2.36065962689079 151.403536520218 23.3930998310629 -71.247439712617 5805944.37284458 T 56 CATAB v2.0f-lin.ifort 2021-Mar-16 11:26:23 2021-Mar-16 11:26

Alternate Designations
 A905 SK = 1972 JG = A923 BA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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