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JPL Small-Body Database Browser
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52681 Kelleghan (1998 DK34)
Classification: Main-belt Asteroid          SPK-ID: 2052681
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367797509620815 4.4977e-08  
a 3.180958873090272 2.203e-08 au
q 2.745868110608361 1.4727e-07 au
i .9240909755461381 4.6426e-06 deg
node 122.5842565897025 0.00030287 deg
peri 20.30257149818814 0.00030336 deg
M 353.5210082318412 1.7195e-05 deg
tp 2459037.794126141635
(2020-Jul-07.29412614)
9.9063e-05 TDB
period 2072.218315968598
5.67
2.1527e-05
5.894e-08
d
yr
n .1737268690397269 1.8047e-09 deg/d
Q 3.616049635572183 2.5043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1039  
   data-arc span      10676 days (29.23 yr)  
   first obs. used      1990-11-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:33:07  

Additional Information
 Earth MOID = 1.75851 au 
 Jupiter MOID = 1.39972 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 14.3   n/a MPO319709  
diameter diameter 7.507 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.363 h n/a LCDB (Rev. 2019-August); 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 0.065   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52681 Kelleghan           Discovered 1998 Feb. 27 by E. W. Elst at the European Southern Observatory.
Deirdre Kelleghan (b. 1957) is an Irish astronomer, artist and educator. She invents, designs and enacts creative workshops to help children understand our solar system through drawing. Her activities take place in schools, libraries, science centres and observatories throughout Ireland.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-10-26Last Updated: 2019-04-09

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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
1904-Aug-17 10:02 00:04 Jupiter 1.66467902043906 1.6646768561621 1.66468118471612 2.33763050820517 2.10876166224813 2416709.917734757 4.32470903424666 147.208428857746 8.51314527626792 81.6081965844053 1229571.71593597 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
1915-Aug-04 21:36 00:03 Jupiter 1.48537302439233 1.48537218516583 1.48537386361757 1.57461262277032 1.15711725015615 2420714.400176090 3.48713615156262 197.521622942122 132.07924792279 -49.803355819712 1136867.16794598 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
1926-Aug-11 01:51 00:03 Jupiter 1.48854388398567 1.4885431152584 1.48854465271886 1.47688839808049 1.02134430601431 2424738.577361811 2.83407576308193 283.897908122648 109.914161548191 56.2888217886509 2051579.49463505 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
1937-Aug-11 04:57 00:02 Jupiter 1.66367122411595 1.66366992902198 1.6636725192085 1.95790197367573 1.67783284065195 2428756.706382392 2.43121723964164 73.7586204902009 19.4319813743342 82.5884447649392 1221256.4400551 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
1948-Jul-25 23:12 00:02 Jupiter 1.93882772526295 1.93882647552487 1.93882897500071 2.91218328591541 2.75809072135886 2432758.466952110 2.01270150259662 56.312468455173 35.3888371970937 59.3573273949093 1355385.09005872 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
2036-Jun-09 15:36 < 00:01 Jupiter 1.9987053727597 1.99870482192547 1.99870592359381 3.81513044842842 3.70238425590328 2464854.150015658 0.724315703825931 42.6265744926892 22.2510342451966 83.4714393600198 2905055.0107165 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
2047-May-07 02:17 00:01 Jupiter 1.69640277683049 1.69640204736587 1.69640350629482 2.46125261953692 2.24925638980242 2468837.595431122 1.14370638288093 57.8193267880103 9.1026654989624 85.3092066724569 1674661.46807188 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
2058-Apr-19 07:00 00:02 Jupiter 1.49011805603618 1.49011743278179 1.49011867928921 1.61279749418452 1.21006729499151 2472837.791812230 1.56636634132969 119.137444327051 112.5411625454 55.3847486991479 1327835.15942121 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
2069-Apr-24 21:27 00:02 Jupiter 1.45854267068877 1.45854210279682 1.45854323858395 1.42379174471831 0.930440098335617 2476861.393424345 2.0968825091854 265.291820181611 151.093869879303 48.6098046707141 1973189.65275783 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
2080-Apr-24 23:45 00:03 Jupiter 1.61548076621205 1.61547935516251 1.61548217726094 1.84997898418206 1.54071091225835 2480879.489876308 2.80727768585394 112.361970849328 28.3026847744675 77.012164374688 1569869.31233411 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
2091-Apr-06 23:25 00:03 Jupiter 1.89543366095309 1.89543157865047 1.89543574325441 2.81218300155025 2.64851328156305 2484878.476018300 3.40052098058653 70.4174990063808 46.6829552994852 16.3906685944114 803881.499796547 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
2190-Jan-11 00:42 00:07 Jupiter 1.72097196844499 1.72096814707179 1.72097578981476 2.54335960187831 2.3418634500273 2520951.529085902 6.82915267419304 176.628929709308 22.7227364288655 63.2582386086694 994211.332686553 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
2200-Dec-23 19:30 00:07 Jupiter 1.49490389493683 1.49490167854528 1.4949061113226 1.64320692023235 1.25176501208108 2524950.312267899 6.89236781113353 349.426295014432 107.017649047373 -37.0673323268257 767888.268611181 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:33:15 2020-Feb-23 10:33
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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