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JPL Small-Body Database Browser
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27728 (1990 QD8)
Classification: Outer Main-belt Asteroid          SPK-ID: 2027728
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1376050714987078 4.6127e-08  
a 3.204381257311481 2.0245e-08 au
q 2.763442145290015 1.4749e-07 au
i 6.007942571726723 4.5405e-06 deg
node 149.9854926054327 4.2528e-05 deg
peri 209.5199383971467 4.5095e-05 deg
M 51.63744007869634 1.3788e-05 deg
tp 2458699.977561321252
(2019-Aug-04.47756132)
8.073e-05 TDB
period 2095.147973243229
5.74
1.9856e-05
5.436e-08
d
yr
n .17182557251206 1.6284e-09 deg/d
Q 3.645320369332946 2.3031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1215  
   data-arc span      17819 days (48.79 yr)  
   first obs. used      1971-03-26  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:54:55  

Additional Information
 Earth MOID = 1.76163 au 
 Jupiter MOID = 1.80327 au 
 T_jup = 3.170 
[ 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 13.8   n/a MPO502365  
diameter diameter 9.629 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27728 (1990 QD8)          Discovered 1990-Aug-16 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ 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
1907-Mar-03 08:34 00:02 Jupiter 1.97407289142789 1.97407219979315 1.97407358306252 3.22663859387653 3.09080078013464 2417637.856743861 2.4289901590651 48.8634883406725 19.5963067253415 72.533682830496 1932033.80466319 T 23 CATAB v2.0f-lin.ifort 2020-Jan-29 02:55:26 2020-Jan-29 02:55
2005-Oct-17 18:06 < 00:01 Jupiter 1.91441054046862 1.91441010152038 1.91441097941676 2.5060727204404 2.32282355867763 2453661.254312111 0.352605904949641 42.1566778904953 9.38317917395311 -77.2866435235295 2797551.09114029 T 23 CATAB v2.0f-lin.ifort 2020-Jan-29 02:55:26 2020-Jan-29 02:55
2016-Oct-30 00:01 < 00:01 Jupiter 1.81681255134104 1.81681209449709 1.81681300818479 2.33907506629892 2.1304565685916 2457691.500669062 0.284774932739266 45.622427388489 14.3511634170421 -77.3151074120598 2368624.3513949 T 23 CATAB v2.0f-lin.ifort 2020-Jan-29 02:55:26 2020-Jan-29 02:55
2027-Nov-19 01:54 < 00:01 Jupiter 1.78863329021786 1.78863283264659 1.78863374778902 2.39466387810758 2.18798950389648 2461728.579116553 0.541169591775698 56.3693924317333 15.4981769008059 -84.64855190858 2448128.24540719 T 23 CATAB v2.0f-lin.ifort 2020-Jan-29 02:55:26 2020-Jan-29 02:55
2038-Nov-30 20:44 < 00:01 Jupiter 1.84305985316988 1.84305933871401 1.84306036762576 2.63903629029983 2.45873227576116 2465758.363750475 0.899577937085043 61.7365816751055 14.725527266252 84.4713875996166 2784498.49389669 T 23 CATAB v2.0f-lin.ifort 2020-Jan-29 02:55:26 2020-Jan-29 02:55
2049-Nov-23 12:07 00:01 Jupiter 1.96215581875336 1.96215517958424 1.96215645792248 3.17234836819036 3.03322190001055 2469769.004649775 1.26592937001662 52.6916311304237 18.9430999564008 73.8722649449061 2479065.06639747 T 23 CATAB v2.0f-lin.ifort 2020-Jan-29 02:55:26 2020-Jan-29 02:55
2148-Jul-02 20:34 00:03 Jupiter 1.92245862665061 1.92245764701416 1.92245960628946 2.46605007640763 2.28039826541622 2505784.356907866 3.21299722367116 138.002105425276 7.37366467928162 -80.4048870824991 2517369.58748052 T 23 CATAB v2.0f-lin.ifort 2020-Jan-29 02:55:26 2020-Jan-29 02:55
2159-Jul-12 00:58 00:03 Jupiter 1.82671769249113 1.82671697718582 1.82671840780071 2.26728774518993 2.05261362886625 2509810.539971367 3.39564343589318 195.97067911253 14.040578891016 -82.7926360799922 2295568.05736678 T 23 CATAB v2.0f-lin.ifort 2020-Jan-29 02:55:26 2020-Jan-29 02:55
2170-Jul-29 09:15 00:04 Jupiter 1.79541253790845 1.79541207531094 1.79541300050596 2.35689193779607 2.14741676881921 2513845.885093017 3.70113735430661 220.885239573598 16.4905489819538 -87.2550624118748 2363684.30407323 T 23 CATAB v2.0f-lin.ifort 2020-Jan-29 02:55:26 2020-Jan-29 02:55
2181-Aug-11 21:43 00:04 Jupiter 1.84767993511178 1.84767900001009 1.84768087021967 2.64983985727971 2.47078963911026 2517877.404559016 4.18590485337927 207.322883998893 15.0747554925741 84.32950053734 2842772.82406389 T 23 CATAB v2.0f-lin.ifort 2020-Jan-29 02:55:26 2020-Jan-29 02:55
2192-Aug-11 13:35 00:05 Jupiter 1.9629929369929 1.96299146370612 1.96299441028257 3.16977551693498 3.03059168030567 2521895.065733856 4.75350110414147 150.837336491095 17.6329729398787 70.8428240236494 2561509.87551737 T 23 CATAB v2.0f-lin.ifort 2020-Jan-29 02:55:26 2020-Jan-29 02:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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