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90749 (1993 QZ7)
Classification: Main-belt Asteroid          SPK-ID: 2090749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805745225949469 6.7856e-08  
a 3.181626240882083 3.1609e-08 au
q 2.607105601359245 2.1259e-07 au
i 15.0112738126795 8.629e-06 deg
node 347.0179600148252 2.4011e-05 deg
peri 69.70299291625295 3.2398e-05 deg
M 251.7288216193476 2.085e-05 deg
tp 2459823.922581895366
(2022-Sep-01.42258190)
0.0001235 TDB
period 2072.87047983618
5.68
3.089e-05
8.457e-08
d
yr
n .1736722113136808 2.5881e-09 deg/d
Q 3.75614688040492 3.7317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      9420 days (25.79 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-05-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58803  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:41:43  

Additional Information
 Earth MOID = 1.66192 au 
 Jupiter MOID = 1.91833 au 
 T_jup = 3.121 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456976.5 (2014-Nov-15.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1848384139345368 6.6961e-08  
q 2.586568189606528 2.0836e-07 au
tp 2457757.985099246170
(2017-Jan-04.48509925)
0.00011243 TDB
node 347.2376405312269 2.4035e-05 deg
peri 69.86119674867994 3.2059e-05 deg
i 15.01378795002124 8.6367e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      9420 days (25.79 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-05-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58803  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:41:43  

Additional Information
 Jupiter MOID = 1.91833 au 
 T_jup = 3.121 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.483756230506227E-15 -1.384466603316625E-14 -3.251066777082574E-12 1.471975895031716E-14 -7.266624290585555E-13 -4.371569994074095E-15
q -1.384466603316625E-14 4.341298494554732E-14 1.058190776750305E-11 -5.027852615512819E-14 2.285342972550118E-12 1.343741569308811E-14
tp -3.251066777082574E-12 1.058190776750305E-11 1.264057117997904E-8 -1.699259325660774E-11 2.404522499853634E-9 3.994257224785412E-12
node 1.471975895031716E-14 -5.027852615512819E-14 -1.699259325660774E-11 5.776975987948096E-10 -5.611365006077791E-10 7.05391994324574E-11
peri -7.266624290585555E-13 2.285342972550118E-12 2.404522499853634E-9 -5.611365006077791E-10 1.027789683457747E-9 -6.742047850734906E-11
i -4.371569994074095E-15 1.343741569308811E-14 3.994257224785412E-12 7.05391994324574E-11 -6.742047850734906E-11 7.459247005859313E-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 14.8   n/a MPO344925  

90749 (1993 QZ7)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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
1902-Jul-15 01:34 00:05 Jupiter 1.95403307718837 1.95403219640678 1.95403395796997 4.8100248868018 4.71904560638741 2415945.565101873 5.3200594670857 261.701414061457 37.7846033824222 87.4325965933486 1110470.18003079 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 14:41:45 2021-Apr-13 14:41
1913-Apr-18 14:25 00:06 Jupiter 1.98777566827967 1.98777439253276 1.98777694403121 2.75245988334235 2.59302987218672 2419876.100615380 5.69734037914801 243.772610622344 56.5075714985153 54.8730624691702 519228.026174756 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 14:41:45 2021-Apr-13 14:41
2021-May-23 09:09 < 00:01 Jupiter 1.93219024183661 1.93218938959239 1.93219109408149 5.09938462693213 5.01268141897858 2459357.881015340 0.543757174486427 159.128337882449 36.0299867336841 84.0212335713871 1894516.76247978 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 14:41:45 2021-Apr-13 14:41
2032-Mar-18 09:06 00:01 Jupiter 1.93854493710278 1.93854383175471 1.93854604245295 3.41859947661566 3.28830470967294 2463309.879493272 1.20739790134894 155.932898536425 33.9667113868534 74.94199012813 1289727.95597522 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 14:41:45 2021-Apr-13 14:41
2140-Apr-07 15:03 00:06 Jupiter 1.93082855891415 1.93082644367382 1.93083067415655 5.33052227965825 5.24758048029665 2502776.127208785 6.01647921474015 205.610787272878 77.8772214936105 72.0935270939839 896108.324917099 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 14:41:45 2021-Apr-13 14:41
2151-Feb-15 17:26 00:07 Jupiter 1.88450673979836 1.88450544599174 1.88450803363926 3.97357308205783 3.8588016513305 2506742.226106285 6.96224828298344 526.484861391089 31.2320089787287 81.336620420063 1053826.14970004 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 14:41:45 2021-Apr-13 14:41
2161-Oct-23 05:54 00:10 Jupiter 1.9952178196983 1.99521560749972 1.99522003191842 1.79815840650884 1.54412466539638 2510644.745981922 9.89651285236271 836.304492897586 120.766879130942 -11.8745183708729 301996.878818904 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 14:41:45 2021-Apr-13 14:41

Alternate Designations
 1993 QZ7 = 1999 TW187 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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