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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720336207167776 2.9919e-08  
a 3.149666656107489 1.4762e-08 au
q 2.607818097206412 9.7593e-08 au
i .8660190594810359 3.9613e-06 deg
node 185.8668597248351 0.00022925 deg
peri 99.20273249786483 0.00022954 deg
M 268.2206855681753 1.2034e-05 deg
tp 2459521.020243915867
(2021-Nov-02.52024392)
6.9118e-05 TDB
period 2041.71592444076
5.59
1.4353e-05
3.93e-08
d
yr
n .1763222766157376 1.2396e-09 deg/d
Q 3.691515215008565 1.7301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2389  
   data-arc span      23980 days (65.65 yr)  
   first obs. used      1954-06-07  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:35:46  

Additional Information
 Earth MOID = 1.59156 au 
 Jupiter MOID = 1.47257 au 
 T_jup = 3.185 
[ 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 1.56561776938419 1.56561669900256 1.5656188397675 1.29164930150939 0.765720673741555 2417691.784660490 2.2652860936675 533.167709401782 108.41905097059 -24.4337410441924 2311293.79189973 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
1917-Oct-01 18:14 00:02 Jupiter 1.48583536232182 1.48583469688825 1.48583602775352 1.3123362393806 0.762952620638166 2421503.259379047 2.02157314252274 587.811387008357 121.143960829925 -7.30881370546433 1250737.21540167 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
1928-Feb-17 14:33 00:02 Jupiter 1.87715443527956 1.87715327006273 1.87715560049725 3.15483167128929 3.00840641187241 2425294.105969545 1.75945263225131 94.9056501899441 14.4141612599844 -67.6495155657134 2597198.93492668 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
1991-Oct-02 12:30 < 00:01 Jupiter 1.96155551873229 1.96155493200376 1.96155610546072 2.52668892668236 2.34958158864569 2448532.020656071 0.575203745050696 42.9104071080241 13.7536519287364 -85.2863800361094 2490810.12760253 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
2002-Mar-05 18:12 < 00:01 Jupiter 1.53383130509806 1.53383095950983 1.53383165069415 1.20052609189624 0.580353002115419 2452339.258530441 0.346693081169054 691.546174456549 184.53202590652 -24.4315381796614 3739897.98686017 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
2012-Aug-12 06:16 < 00:01 Jupiter 1.51454203724988 1.51454167491017 1.51454239958908 1.42297112814876 0.952012174339317 2456151.761187879 0.203670145511001 160.303325429342 80.4411608342809 0.603389708939498 2069454.15800217 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
2023-Jan-02 00:30 < 00:01 Jupiter 1.92218204405923 1.92218159727109 1.92218249084738 3.40538355967483 3.2734268991673 2459946.521173226 0.304408898382474 33.2807198840379 14.8336947299375 -75.3754361198343 3347799.72208073 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
2086-Aug-16 23:29 00:01 Jupiter 1.91882565629289 1.91882471608246 1.918826596503 2.33645205384727 2.13919449609808 2483184.478210008 1.4270824427591 59.3582672817414 11.6108436566229 -81.5420284840768 1811289.81169121 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
2097-Jan-19 20:33 00:02 Jupiter 1.51850807420437 1.5185074517166 1.51850869671683 1.1556599839871 0.468990079817664 2486993.356072723 1.68733412302249 1691.27460857975 270.832433881491 -21.4363118803476 3729668.32323186 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
2107-Jun-26 13:49 00:02 Jupiter 1.55266798107504 1.55266714786809 1.55266881427997 1.56346981386543 1.16335015719304 2490802.076024168 2.02718129102911 166.608749955197 58.2530118298657 15.9378555699163 1215337.49088629 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
2117-Nov-17 10:38 00:02 Jupiter 1.9724793185295 1.97247792905613 1.97248070800444 3.67972992443197 3.56111946776283 2494598.942814472 2.18097166580819 119.083176583668 16.8096196696621 -63.6110373870086 2930428.28515699 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
2181-Jun-27 14:34 00:03 Jupiter 1.86874564173453 1.8687435791557 1.86874770431178 2.13137958256069 1.9068991633797 2517832.107032111 3.36527205699619 106.090287380476 6.95501751529556 -85.8380901861585 1345316.42531663 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36
2191-Dec-03 11:37 00:04 Jupiter 1.50416215543333 1.50416119740481 1.50416311352742 1.11836735788694 0.352855842169284 2521642.984373091 3.5884102693567 4483.77028270217 426.463611995712 -16.9619149110153 3945472.27564218 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 16:36:01 2020-Feb-22 16:36

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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