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43181 (1999 XY206)
Classification: Main-belt Asteroid          SPK-ID: 2043181
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2066246429427151 4.074e-08  
a 3.160206533580124 2.2533e-08 au
q 2.507229986953895 1.3603e-07 au
i 14.19621616019324 4.3319e-06 deg
node 63.49145339287882 1.5373e-05 deg
peri 327.4947981916516 1.8382e-05 deg
M 8.387721962155274 9.5754e-06 deg
tp 2459348.690615567347
(2021-May-14.19061557)
5.4404e-05 TDB
period 2051.97292821716
5.62
2.1946e-05
6.008e-08
d
yr
n .1754409110615231 1.8764e-09 deg/d
Q 3.813183080206353 2.7189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1295  
   data-arc span      9006 days (24.66 yr)  
   first obs. used      1996-06-08  
   last obs. used      2021-02-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50883  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:32:50  

Additional Information
 Earth MOID = 1.52612 au 
 Jupiter MOID = 1.65603 au 
 T_jup = 3.125 
[ 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 13.54   n/a MPCxxxxx  
diameter diameter 12.767 km 3.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 17.059 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.039   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

43181 (1999 XY206)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ 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
1924-Mar-24 05:31 00:03 Jupiter 1.75171605358415 1.75171476839184 1.75171733881698 3.45959467012757 3.31688375929235 2423868.729987114 2.8328013573507 444.795932378856 9.01949951585495 82.1086336681852 3119006.63750105 T 29 CATAB v2.0g-lin.ifort 2021-Jul-09 10:32:55 2021-Jul-09 10:32
1934-Nov-23 07:23 00:02 Jupiter 1.68417185179849 1.68417099052722 1.68417271307101 3.03231100516542 2.86165121957049 2427764.807522292 2.38556099330808 179.448783611969 46.0427725608434 -84.2218834930186 2728034.27189358 T 29 CATAB v2.0g-lin.ifort 2021-Jul-09 10:32:55 2021-Jul-09 10:32
2019-Jul-02 15:25 < 00:01 Jupiter 1.82941299847587 1.8294125063944 1.82941349055848 3.45583284276744 3.31915289554746 2458667.142558113 0.282235255380706 97.8923509706112 9.82046189548355 77.6814660353932 3251291.33706268 T 29 CATAB v2.0g-lin.ifort 2021-Jul-09 10:32:55 2021-Jul-09 10:32
2030-Feb-25 06:13 < 00:01 Jupiter 1.63870368413184 1.63870329186035 1.63870407640482 3.21947015383085 3.05470402148549 2462557.758882450 0.546997815883988 152.149687977311 13.64810647967 85.0263678484007 2890145.75332326 T 29 CATAB v2.0g-lin.ifort 2021-Jul-09 10:32:55 2021-Jul-09 10:32
2040-Oct-02 14:20 00:01 Jupiter 1.90571651451589 1.90571571677663 1.90571731226934 2.53133638551383 2.34919896223359 2466430.097434723 1.11915187986368 511.40077262411 32.8642838884759 85.7048973499731 2903551.96935039 T 29 CATAB v2.0g-lin.ifort 2021-Jul-09 10:32:55 2021-Jul-09 10:32
2114-Oct-19 06:19 00:03 Jupiter 1.94135783769145 1.94135562944339 1.94136004596887 3.38893901476568 3.25765242390704 2493473.763115915 3.43265909082559 403.855915593882 11.4415377679386 74.6783614602866 3202408.72548463 T 29 CATAB v2.0g-lin.ifort 2021-Jul-09 10:32:55 2021-Jul-09 10:32
2125-May-26 05:18 00:03 Jupiter 1.63510607771182 1.6351054339148 1.63510672155568 3.31338748421376 3.15317152642449 2497345.720868266 3.3124924499137 507.019272784347 12.7331721209346 87.1059221206445 2890911.85892598 T 29 CATAB v2.0g-lin.ifort 2021-Jul-09 10:32:55 2021-Jul-09 10:32
2136-Jan-22 08:17 00:04 Jupiter 1.80383499798993 1.80383275349769 1.80383724249581 2.89206476711332 2.72486758806091 2501238.845472038 4.09809786023314 354.269368162822 79.3946982239832 72.4633756591551 3163746.72027547 T 29 CATAB v2.0g-lin.ifort 2021-Jul-09 10:32:55 2021-Jul-09 10:32
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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