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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818006643056651 6.7387e-08  
a 3.177882844996544 3.1463e-08 au
q 2.600141632690595 2.1054e-07 au
i 15.00222860676571 8.6287e-06 deg
node 347.1123089522408 2.4043e-05 deg
peri 69.84847852881552 3.2356e-05 deg
M 216.7713291266231 2.0573e-05 deg
tp 2459823.751843256349
(2022-Sep-01.25184326)
0.00012247 TDB
period 2069.21325014805
5.67
3.073e-05
8.413e-08
d
yr
n .1739791681569033 2.5837e-09 deg/d
Q 3.755624057302493 3.7183e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:42:24  

Additional Information
 Earth MOID = 1.65594 au 
 Jupiter MOID = 1.91989 au 
 T_jup = 3.122 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456976.5 (2014-Nov-15.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1848384134934762 6.6961e-08  
q 2.58656818985735 2.0836e-07 au
tp 2457757.985099694557
(2017-Jan-04.48509969)
0.00011243 TDB
node 347.2376405306126 2.4035e-05 deg
peri 69.86119682902165 3.2059e-05 deg
i 15.01378793948976 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:42:24  

Additional Information
 Jupiter MOID = 1.91989 au 
 T_jup = 3.122 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.483756180899145E-15 -1.384466530397434E-14 -3.251067066322705E-12 1.471975262517678E-14 -7.266625057335441E-13 -4.37157230012998E-15
q -1.384466530397434E-14 4.341298187845215E-14 1.058190883628554E-11 -5.027850571628732E-14 2.285343244791355E-12 1.343742593963224E-14
tp -3.251067066322705E-12 1.058190883628554E-11 1.264057084805342E-8 -1.699259116548181E-11 2.404522473634493E-9 3.994256858617622E-12
node 1.471975262517678E-14 -5.027850571628732E-14 -1.699259116548181E-11 5.776975974961375E-10 -5.611364995573258E-10 7.053920205096212E-11
peri -7.266625057335441E-13 2.285343244791355E-12 2.404522473634493E-9 -5.611364995573258E-10 1.027789690570871E-9 -6.7420481130895E-11
i -4.37157230012998E-15 1.343742593963224E-14 3.994256858617622E-12 7.053920205096212E-11 -6.7420481130895E-11 7.459247118042669E-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 01:33 00:05 Jupiter 1.95403302701833 1.95403214624654 1.95403390779001 4.81002374155553 4.71904443619587 2415945.564729039 5.31960489141262 261.685375982509 37.7842287456894 87.4321048073011 1110492.62455894 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 20:42:25 2020-Nov-12 20:42
1913-Apr-18 14:24 00:06 Jupiter 1.98777581984902 1.98777454411738 1.98777709558518 2.752458279389 2.5930281812383 2419876.100242245 5.69691921429542 243.757838366068 56.5075896802237 54.8734242693156 519237.365868258 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 20:42:25 2020-Nov-12 20:42
2021-May-23 09:09 < 00:01 Jupiter 1.93219025341455 1.93218940117033 1.93219110565944 5.0993853269101 5.01268213110482 2459357.881025432 0.543757051219627 159.128374645497 36.0299859163848 84.0212329169752 1894516.98002971 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 20:42:25 2020-Nov-12 20:42
2032-Mar-18 09:06 00:01 Jupiter 1.93854501420267 1.93854390885476 1.93854611955266 3.41860019773569 3.28830546391711 2463309.879488788 1.20739566495994 155.932908691118 33.9667025416607 74.941999630346 1289728.78791087 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 20:42:25 2020-Nov-12 20:42
2140-Apr-07 15:02 00:06 Jupiter 1.93082827440896 1.93082615936805 1.93083038945185 5.33052067904461 5.24757884160438 2502776.126422327 6.01571028424631 205.602697615417 77.8731327984843 72.0958874110082 896171.412213298 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 20:42:25 2020-Nov-12 20:42
2151-Feb-15 17:24 00:07 Jupiter 1.88450694677598 1.88450565306777 1.88450824051836 3.9735703429326 3.85879884288554 2506742.225265713 6.96117965333884 526.413041356947 31.2320048506157 81.3366669468016 1053833.95851457 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 20:42:25 2020-Nov-12 20:42
2161-Oct-23 05:53 00:10 Jupiter 1.99521819427696 1.9952159823547 1.99522040622077 1.79815391570089 1.54411948587105 2510644.744872381 9.89472211255568 836.161483590048 120.767096831253 -11.8748655598918 302023.328562626 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 20:42:25 2020-Nov-12 20:42

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