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85558 (1998 AB3)
Classification: Main-belt Asteroid          SPK-ID: 2085558
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1525686529209116 5.0899e-08  
a 3.192170683735841 2.4908e-08 au
q 2.705145502624639 1.7214e-07 au
i 9.450993243548611 5.1659e-06 deg
node 304.6176657348499 3.6223e-05 deg
peri 105.3917841656608 4.1138e-05 deg
M 16.19479859717348 1.9109e-05 deg
tp 2458906.786828739162
(2020-Feb-27.28682874)
0.00011036 TDB
period 2083.183773572194
5.70
2.4382e-05
6.675e-08
d
yr
n .1728124059754366 2.0226e-09 deg/d
Q 3.679195864847044 2.8708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1998-01-03  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:34:26  

Additional Information
 Earth MOID = 1.73547 au 
 Jupiter MOID = 1.76699 au 
 T_jup = 3.157 
[ 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 14.0   n/a MPO337903  
diameter diameter 7.918 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85558 (1998 AB3)          Discovered 1998-Jan-03 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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
1961-Mar-23 10:30 00:02 Jupiter 1.89833844749729 1.89833769037596 1.89833920461884 4.04872205850747 3.93697437998805 2437381.937325398 2.25005896991683 105.923407666529 30.8649994831129 -84.9582853600282 2163689.4753377 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 20:34:40 2020-Feb-23 20:34
1972-Mar-24 19:53 00:02 Jupiter 1.85195770194994 1.85195716260491 1.85195824129539 3.22793874099923 3.0829947265259 2441401.328579513 1.80468424228506 128.967177227859 18.2073809638683 81.5951859701232 2430917.90860179 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 20:34:40 2020-Feb-23 20:34
1983-Mar-21 05:45 00:01 Jupiter 1.89606039873835 1.89605968816883 1.89606110930841 2.38127336888975 2.18563666987796 2445414.739791530 1.40287858483354 85.706357759822 23.4775640177348 61.697027084033 2282837.9602547 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 20:34:40 2020-Feb-23 20:34
1994-Feb-28 13:16 < 00:01 Jupiter 1.97809059410761 1.97808985161653 1.97809133659859 2.01615990750205 1.79122768054075 2449412.052909114 0.96008011352525 53.7421375712186 21.4852746442042 68.0185486501172 1977260.78589378 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 20:34:40 2020-Feb-23 20:34
2103-Oct-17 15:31 00:03 Jupiter 1.88949743538324 1.88949660306751 1.88949826769908 4.0838557167925 3.97257082902981 2489454.146366479 2.56401199753706 98.8548723445996 34.9412537006004 -84.6720938188942 2004503.69355859 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 20:34:40 2020-Feb-23 20:34
2114-Oct-21 04:41 00:03 Jupiter 1.8189430746755 1.81894256790457 1.81894358144642 3.39731795320403 3.25736618287668 2493475.694987509 2.90419033353041 193.79686087505 18.7958455064184 86.2148868154487 2320466.6709605 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 20:34:40 2020-Feb-23 20:34
2125-Oct-24 02:29 00:03 Jupiter 1.85783798891301 1.85783718781687 1.8578387900139 2.64027024519346 2.46154223522315 2497496.603473580 3.47530516835792 202.080484007191 18.2920216686323 70.7097782456827 2163966.15506329 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 20:34:40 2020-Feb-23 20:34
2136-Oct-10 14:51 00:04 Jupiter 1.96389851101139 1.96389742739881 1.9638995946252 2.09627738778396 1.87930463884506 2501501.118752026 4.21124429312998 116.213372940443 29.4764919183592 48.6023972469487 2209393.51049296 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 20:34:40 2020-Feb-23 20:34

Alternate Designations
 1998 AB3 = 2002 XF15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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