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JPL Small-Body Database Browser
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193902 (2001 QJ242)
Classification: Main-belt Asteroid          SPK-ID: 2193902
[ 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 .2421734060449548 5.1526e-08  
a 2.354168639598722 6.6849e-09 au
q 1.784051601742882 1.2233e-07 au
i 5.349148986474264 5.9638e-06 deg
node 171.0983383886725 4.2932e-05 deg
peri 209.9689772929419 4.4491e-05 deg
M 51.97953642315195 9.2027e-06 deg
tp 2458810.004516582707
(2019-Nov-22.50451658)		 3.3532e-05 TDB
period 1319.33408316586
3.61		 5.6196e-06
1.539e-08		 d
yr
n .272864928294847 1.1622e-09 deg/d
Q 2.924285677454562 8.3039e-09 au
   Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      6761 days (18.51 yr)  
   first obs. used      2001-07-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51938  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:29  

Additional Information
 Earth MOID = .788811 au 
 Jupiter MOID = 2.53705 au 
 T_jup = 3.510 
[ 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 16.5   n/a MPO494073  
diameter diameter 3.152 km 1.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193902 (2001 QJ242)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ 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
2111-Jul-14 09:31 00:04 Juno 0.0466069965934929 0.0466025487531409 0.0466114465318796 3.2489798432843 3.24897976294134 2492280.896585319 4.06897180430014 549.673844961086 45.2367242448085 66.667491374008 141403.273561174 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 22:11:31 2020-Feb-24 22:11
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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