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85243 (1993 QG8)
Classification: Main-belt Asteroid          SPK-ID: 2085243
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2396694834759122 5.2548e-08  
a 3.189476631031159 2.8797e-08 au
q 2.425056414313429 1.7692e-07 au
i 9.297033056395513 4.0397e-06 deg
node 151.7644546341048 3.3415e-05 deg
peri 258.3996274264286 3.413e-05 deg
M 217.7965429261928 1.0082e-05 deg
tp 2459822.336106006825
(2022-Aug-30.83610601)
6.5708e-05 TDB
period 2080.547155818426
5.70
2.8177e-05
7.714e-08
d
yr
n .1730314061823735 2.3434e-09 deg/d
Q 3.95389684774889 3.5699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      9887 days (27.07 yr)  
   first obs. used      1993-08-15  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:35  

Additional Information
 Earth MOID = 1.45614 au 
 Jupiter MOID = 1.58843 au 
 T_jup = 3.132 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457481.5 (2016-Apr-03.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2420808557883737 5.2538e-08  
q 2.414819306197748 1.7692e-07 au
tp 2457745.229707130098
(2016-Dec-22.72970713)
4.9324e-05 TDB
node 151.8525853673358 3.3425e-05 deg
peri 258.4376714754628 3.4123e-05 deg
i 9.300833050172351 4.0432e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      9887 days (27.07 yr)  
   first obs. used      1993-08-15  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:35  

Additional Information
 Jupiter MOID = 1.58843 au 
 T_jup = 3.132 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.760217790404601E-15 -9.231456162305481E-15 -5.342454638383045E-13 1.791337285728794E-14 -1.161869206948401E-13 -1.662306250352724E-16
q -9.231456162305481E-15 3.13020932140894E-14 2.088755199776226E-12 -5.950440183910849E-14 4.160078714079557E-13 1.382335770144595E-15
tp -5.342454638383045E-13 2.088755199776226E-12 2.432898017005758E-9 -7.36350311387891E-12 3.969847613815484E-10 6.610293445650262E-13
node 1.791337285728794E-14 -5.950440183910849E-14 -7.36350311387891E-12 1.117262213645802E-9 -1.103937844041002E-9 3.043067425736707E-11
peri -1.161869206948401E-13 4.160078714079557E-13 3.969847613815484E-10 -1.103937844041002E-9 1.164371583415059E-9 -2.997040409225217E-11
i -1.662306250352724E-16 1.382335770144595E-15 6.610293445650262E-13 3.043067425736707E-11 -2.997040409225217E-11 1.634717230458215E-11

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 14.9   n/a MPO436372  
diameter diameter 3.077 km 0.801 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.204   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85243 (1993 QG8)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla
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
1900-Mar-31 07:12 00:05 Jupiter 1.63212249001268 1.6321217324035 1.63212324762258 0.867831991517688 n/a 2415109.799892644 5.10994822092598 83.5798304900376 26.0050178063859 69.8179441876275 8867264.32462361 F 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01
1911-May-20 10:01 00:04 Jupiter 1.63108311785049 1.63108228800387 1.63108394770323 1.34188559811464 0.872957998770448 2419176.917342398 3.90594337839513 1114.62716081036 142.971307237924 18.4082564631478 1141714.33015337 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01
1922-Jul-11 08:57 00:03 Jupiter 1.73397462058738 1.73397321568789 1.73397602549012 2.07825908309653 1.82816536400145 2423246.872721433 3.21172997144331 202.42148155201 46.4980375904888 -79.9072140744245 1192794.05533098 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01
1933-Aug-14 15:58 00:03 Jupiter 1.92812618043203 1.92812459022508 1.92812777064304 2.97790385802632 2.82653760393946 2427299.164997189 2.7418847147633 180.519575024192 25.7706948434417 75.0649487976928 2062181.20073883 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01
2032-Aug-22 23:01 < 00:01 Jupiter 1.85056087556519 1.85056037798212 1.85056137314826 3.12991421027371 2.98009068330006 2463467.459169786 0.761760720816941 72.7368316393103 19.2099469518009 -89.9989400472827 2398625.83143673 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01
2043-Sep-01 21:09 00:01 Jupiter 1.68526057682129 1.68526000250781 1.68526115113438 1.77891594810096 1.46946569548565 2467494.381370053 1.40835960884807 139.553407791703 87.7748992969062 -41.4167870353279 1133605.67676547 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01
2054-Oct-03 11:51 00:02 Jupiter 1.61485673436984 1.61485615831872 1.61485731042097 0.875305346790478 n/a 2471543.993813408 2.18648411006879 152.584965620253 28.7030285972304 89.567216988378 8413773.49542041 F 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01
2065-Nov-16 22:34 00:03 Jupiter 1.64373167431715 1.64373088564875 1.64373246298629 0.988257479255948 n/a 2475606.440301972 3.0742179620762 107.667525117126 32.8266936229006 -77.8064579845589 7335515.63428171 F 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01
2076-Dec-27 21:23 00:04 Jupiter 1.76771330107765 1.76771177207291 1.76771483008309 1.83527217562738 1.55238471061984 2479665.390840720 4.0203334766435 248.176554804779 71.7702587159526 -53.9375014984338 980050.718265466 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01
2088-Jan-23 09:27 00:05 Jupiter 1.96769101339837 1.96768864371929 1.967693383092 2.92834647071517 2.77745974627794 2483708.893684951 4.87567147091886 310.905722647886 24.1310766194057 77.9473382788236 2147729.22839262 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01
2187-Feb-05 18:34 00:09 Jupiter 1.80364318495135 1.8036391131776 1.80364725681943 3.20101572293146 3.05078129891632 2519881.273315012 8.70673249459704 706.527298004315 19.9559874211859 79.5380376629937 1983816.84551501 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01
2198-Feb-24 10:59 00:09 Jupiter 1.62665401964967 1.62665190289618 1.62665613650237 2.05361002357588 1.78210126144023 2523917.957527122 8.6607589003132 777.932251364446 48.1998098387359 -74.2952464736111 1426892.8016816 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:37 2020-Nov-12 21:01

Alternate Designations
 1993 QG8 = 1999 TL245 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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