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JPL Small-Body Database Browser
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469761 (2005 QJ42)
Classification: Main-belt Asteroid          SPK-ID: 2469761
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2439064669976817 1.7216e-07  
a 3.111044531688103 3.2727e-08 au
q 2.3522406512916 5.3948e-07 au
i 13.6466553946683 1.6957e-05 deg
node 338.8581334456562 2.6645e-05 deg
peri 359.895075011068 3.2353e-05 deg
M 176.3639981974142 1.4177e-05 deg
tp 2457618.604649846453
(2016-Aug-18.10464985)
7.3976e-05 TDB
period 2004.277118165603
5.49
3.1626e-05
8.659e-08
d
yr
n .1796158808266428 2.8342e-09 deg/d
Q 3.869848412084605 4.0709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      4910 days (13.44 yr)  
   first obs. used      2005-08-26  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57633  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:28:09  

Additional Information
 Earth MOID = 1.3425 au 
 Jupiter MOID = 1.53123 au 
 T_jup = 3.130 
[ 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 16.2   n/a MPO437770  
diameter diameter 4.838 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469761 (2005 QJ42)          Discovered 2005-Aug-26 by LONEOS at Anderson Mesa
Reference: Last Updated: 2016-08-22

[ 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
1908-Dec-21 01:53 00:05 Jupiter 1.54080432012002 1.54080231108111 1.5408063291585 3.30322462503685 3.13238533898226 2418296.578447520 4.91938399294285 500.005793906528 96.2407666230943 -89.9403128378483 745417.811771086 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 04:28:11 2019-Jul-14 04:28
1919-Mar-27 00:01 00:06 Jupiter 1.89443286490674 1.89442867755911 1.89443705232501 2.66248549290272 2.48889658591067 2422044.500409397 5.93021258575745 688.913696657006 47.1693108181156 -70.0499238218305 742343.255981021 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 04:28:11 2019-Jul-14 04:28
1981-Jan-23 14:18 00:02 Jupiter 1.79568410406576 1.79568200340138 1.79568620473024 3.17686325873386 3.02474164706324 2444628.095615278 1.99498591373893 448.234898271545 98.3159535206099 85.7269196212307 891308.553398727 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 04:28:11 2019-Jul-14 04:28
1991-Jun-10 02:11 00:01 Jupiter 1.56882675461943 1.56882505028488 1.56882845904353 3.23865130632107 3.06741679162135 2448417.590675553 1.305420920637 819.826342086799 35.7516303304247 -84.9361599405029 747104.236534312 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 04:28:11 2019-Jul-14 04:28
2063-Jun-29 01:51 00:02 Jupiter 1.58553273287276 1.58553098388151 1.58553448186788 3.28571939779658 3.11889611014769 2474734.577128021 2.1999271102375 335.243127297091 80.457300232179 -84.6977853631738 791418.314114843 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 04:28:11 2019-Jul-14 04:28
2073-Nov-02 20:22 00:03 Jupiter 1.77799379878673 1.77799105381281 1.77799654405416 3.05730721559799 2.89729923460545 2478514.348956153 3.30096810580832 1519.02207745505 59.926831332631 -85.2879493151232 762348.065053082 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 04:28:11 2019-Jul-14 04:28
2135-Aug-21 02:19 00:06 Jupiter 1.91992314801188 1.91991823959511 1.91992805697378 2.9097778668017 2.75398925117465 2501084.596398325 6.48126396476109 2202.45824104138 141.471022614214 84.0300828324189 774188.699483521 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 04:28:11 2019-Jul-14 04:28
2145-Dec-18 22:10 00:06 Jupiter 1.5422066508749 1.54220468034895 1.54220862153866 3.31181110283602 3.14159792228943 2504857.423612729 5.93393682637487 917.968697792697 47.4358178758068 -84.8299127956595 773708.034553737 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 04:28:11 2019-Jul-14 04:28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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