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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2422814848914181 5.14e-08  
a 2.354249823562315 6.6918e-09 au
q 1.783858680504278 1.2204e-07 au
i 5.349574345934131 5.9251e-06 deg
node 171.0934250823936 4.2279e-05 deg
peri 209.9753704867387 4.3818e-05 deg
M 106.5365482102974 9.1939e-06 deg
tp 2458810.042861283095
(2019-Nov-22.54286128)
3.326e-05 TDB
period 1319.402329993074
3.61
5.6255e-06
1.54e-08
d
yr
n .2728508142030412 1.1633e-09 deg/d
Q 2.924640966620352 8.3131e-09 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      7092 days (19.42 yr)  
   first obs. used      2001-07-24  
   last obs. used      2020-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52205  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:09:42  

Additional Information
 Earth MOID = .787272 au 
 Jupiter MOID = 2.53786 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 13 CATAB v2.0f-lin.ifort 2021-Feb-24 12:09:44 2021-Feb-24 12:09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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