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2981 Chagall (1981 EE20)
Classification: Main-belt Asteroid          SPK-ID: 2002981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717574208852989 3.0654e-08  
a 3.15102737445463 1.5247e-08 au
q 2.609815039479328 9.932e-08 au
i .8658682476369133 4.0548e-06 deg
node 185.8758803617961 0.00023944 deg
peri 99.06346679207108 0.00023974 deg
M 197.8558378575098 1.203e-05 deg
tp 2459520.685757785160
(2021-Nov-02.18575779)
6.95e-05 TDB
period 2043.039159877643
5.59
1.4829e-05
4.06e-08
d
yr
n .1762080762179616 1.2789e-09 deg/d
Q 3.692239709429932 1.7866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2286  
   data-arc span      23867 days (65.34 yr)  
   first obs. used      1954-06-07  
   last obs. used      2019-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5047  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:21:37  

Additional Information
 Earth MOID = 1.59294 au 
 Jupiter MOID = 1.46989 au 
 T_jup = 3.184 
[ 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 12.6   n/a MPO384778  
diameter diameter 15.489 km 0.617 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2981 Chagall (1981 EE20)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
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-Apr-26 06:50 00:02 Jupiter 1.5656179730852 1.56561688257676 1.56561906359551 1.29164949599782 0.765721093740268 2417691.785039387 2.29594123367203 549.777710622754 109.183632512854 -24.5785150711352 2301840.88898299 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
1917-Oct-01 18:14 00:02 Jupiter 1.48583504235095 1.48583437609574 1.48583570860422 1.31233511016221 0.762950517391153 2421503.259706018 2.04727013617548 590.605062324163 128.079410434604 -6.99899150815858 1217821.20935436 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
1928-Feb-17 14:33 00:02 Jupiter 1.87715407252094 1.87715290187855 1.8771552431643 3.15482966684247 3.0084042808798 2425294.106251777 1.78346578067088 96.5046325136663 14.8200733344446 -67.9923440240995 2526217.65384427 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
1991-Oct-02 12:30 < 00:01 Jupiter 1.96155575656989 1.96155516918164 1.96155634395802 2.52668960259315 2.34958233778895 2448532.020789599 0.576764773322828 44.8957610249104 13.9057734270644 -86.1067418042813 2480602.41633683 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
2002-Mar-05 18:12 < 00:01 Jupiter 1.53383129320909 1.53383094167532 1.53383164475115 1.20052566749916 0.580352116825849 2452339.258607291 0.346900411963389 711.093266055242 187.34312561631 -24.4952548232687 3680775.07712465 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
2012-Aug-12 06:16 < 00:01 Jupiter 1.51454182413747 1.51454143875983 1.51454220951442 1.4229703350217 0.9520109061924 2456151.761240562 0.209471887258369 170.513870496822 84.2930440890727 0.791935508927101 1944538.45153733 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
2023-Jan-02 00:30 < 00:01 Jupiter 1.92218194929689 1.9221814899509 1.92218240864287 3.40538286261065 3.27342616736694 2459946.521174618 0.313687100877111 34.1785010089226 15.2295242373207 -75.5189149759515 3235502.26412352 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
2086-Aug-16 23:28 00:01 Jupiter 1.91882562296634 1.91882465334821 1.91882659258415 2.33645174967899 2.13919416029813 2483184.478072125 1.46303678253209 62.0685797234375 12.289401088797 -81.6081346364948 1764255.3595423 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
2097-Jan-19 20:32 00:02 Jupiter 1.51850790469875 1.51850727983146 1.5185085295903 1.15565922263793 0.468988070974277 2486993.355866661 1.72479459403455 1701.22411025971 276.33695963432 -21.4095569775198 3645349.14994855 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
2107-Jun-26 13:49 00:02 Jupiter 1.55266792687348 1.55266704939604 1.55266880434863 1.56346968038067 1.16334996142824 2490802.075785001 2.07191932159812 175.993716397071 60.3007980053375 15.0837619502872 1139323.63437139 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
2117-Nov-17 10:37 00:02 Jupiter 1.97247948064976 1.97247805593338 1.97248090536782 3.67973066824102 3.56112024625704 2494598.942536568 2.22379277705211 121.30386952531 17.2289060137411 -63.4469297614054 2842108.81355797 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
2181-Jun-27 14:34 00:03 Jupiter 1.86874534492781 1.86874323583884 1.86874745401509 2.13137833442953 1.90689773056619 2517832.106615244 3.43307836854576 109.255708471886 7.42161983859069 -85.7875003442601 1301742.05300689 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21
2191-Dec-03 11:37 00:04 Jupiter 1.50416188431926 1.50416092095895 1.50416284774319 1.11836645695265 0.352852699021386 2521642.983891574 3.65725265841697 4500.84765600151 438.42056654258 -16.9526227170977 3807981.59161094 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:21:47 2019-Nov-07 02:21

Alternate Designations
 1981 EE20 = 1954 LF = 1977 RN3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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