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JPL Small-Body Database Browser

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+ Center for Near-Earth Object Studies 26289 (1998 SL74) Classification:           SPK-ID: 2026289 [ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units  .05118346778813784 3.9003e-08   2.740053971785623 1.5925e-08 au 2.599808507582975 1.0438e-07 au 12.26648107180045 4.7709e-06 deg 36.83418696835609 1.9768e-05 deg 96.19813177401629 5.3711e-05 deg 174.3443371180975 4.842e-05 deg 2458198.189552086969
(2018-Mar-20.68955209) 0.00022376 TDB 1656.674177223446
4.54 1.4442e-05
3.954e-08 d
yr .2173028377875444 1.8944e-09 deg/d 2.880299435988272 1.674e-08 au Orbit Determination Parameters        1272           8497 days (23.26 yr)           1996-04-15           2019-07-21           DE431           SB431-N16           0           .4952           ORB           Otto Matic           2020-Feb-23 00:42:20  
Additional Information  = 1.64698 au    = 2.16039 au    = 3.315  [ 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 H 14.0   n/a MPO395259   diameter 8.470 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   albedo 0.074   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
26289 (1998 SL74)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla Reference: 20010705/Numbers.arc Last Updated: 2004-04-19
[ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB)Time Uncertainty
(days_HH:MM)BodyNominal 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-sigmaBPOrbit Ref.ReferenceModified 2005-Oct-18 09:19 < 00:01 Hygie 0.0322371490290531 0.0322354443124815 0.0322388537545742 4.78280925453906 4.78280900394962 2453661.887983431 0.616583165905485 89.9937231870219 37.6608698605914 -21.416003964474 68285.6391777086 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 00:42:38 2020-Feb-23 00:42 2078-Apr-17 08:04 < 00:01 Hygie 0.0213013984097167 0.0212921926378484 0.021310608280709 4.95285620194229 4.9528558357252 2480140.835862576 0.706568786138493 654.624602551212 38.6481044328306 45.6257436724142 58960.94836965 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 00:42:38 2020-Feb-23 00:42
Alternate Designations
 1998 SL74 = 1996 GU11  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-13 11:44 UT
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