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48963 (1998 QJ33)
Classification: Main-belt Asteroid          SPK-ID: 2048963
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312542710414998 3.3721e-08  
a 2.319976582529402 8.1811e-09 au
q 2.015469747356155 7.9855e-08 au
i 6.124471303023595 4.3797e-06 deg
node 303.9569576261515 3.4839e-05 deg
peri 65.14266687341897 3.8836e-05 deg
M 31.10730986870545 1.7772e-05 deg
tp 2458888.972033619988
(2020-Feb-09.47203362)		 6.3587e-05 TDB
period 1290.69559747422
3.53		 6.8272e-06
1.869e-08		 d
yr
n .2789193677459572 1.4754e-09 deg/d
Q 2.624483417702649 9.2549e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      15744 days (43.10 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:27:14  

Additional Information
 Earth MOID = 1.02303 au 
 Jupiter MOID = 2.85622 au 
 T_jup = 3.559 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456987.5 (2014-Nov-26.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324991978323128 3.3792e-08  
q 2.012183250032557 8.0112e-08 au
tp 2457597.911266717972
(2016-Jul-28.41126672)		 6.1535e-05 TDB
node 304.0494254213469 3.4876e-05 deg
peri 65.04216392820697 3.8769e-05 deg
i 6.121971930292646 4.3778e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      15744 days (43.10 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:27:14  

Additional Information
 Jupiter MOID = 2.85622 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.141913287978026E-15 -2.696842919448164E-15 -3.231728794841902E-13 2.565082463831123E-15 -6.914713035801675E-14 3.679532114307835E-16
q -2.696842919448164E-15 6.418000215232739E-15 7.994020308726717E-13 -6.580237754356266E-15 1.661752967081346E-13 -8.051818683503159E-16
tp -3.231728794841902E-13 7.994020308726717E-13 3.786501958960448E-9 -6.131701600920379E-12 1.050996053855944E-9 2.397110174689982E-13
node 2.565082463831123E-15 -6.580237754356266E-15 -6.131701600920379E-12 1.216355187874339E-9 -1.210387325773008E-9 -1.262269049804802E-11
peri -6.914713035801675E-14 1.661752967081346E-13 1.050996053855944E-9 -1.210387325773008E-9 1.503009524322585E-9 1.258995327247029E-11
i 3.679532114307835E-16 -8.051818683503159E-16 2.397110174689982E-13 -1.262269049804802E-11 1.258995327247029E-11 1.916521622783939E-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 15.0   n/a MPO439426  

48963 (1998 QJ33)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20021120/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
2159-Apr-13 08:32 < 00:01 Juno 0.0351803207598266 0.0351656609204111 0.0351949809104664 6.67757587561685 6.67757582382907 2509720.855808836 0.386927085028524 749.229843891931 36.1921377037485 12.7528086438194 32808.1788717735 T 27 CATAB v2.0f-lin.ifort 2020-Dec-17 21:27:17 2020-Dec-17 21:27
2170-Feb-12 19:00 00:01 Iris 0.0442080022221406 0.0441990401719677 0.0442169680037499 3.01675112920312 3.01675108609762 2513679.291440082 1.0928626407099 782.934737338648 46.3529437040453 55.3817089739268 117400.278899965 T 27 CATAB v2.0f-lin.ifort 2020-Dec-17 21:27:17 2020-Dec-17 21:27

Alternate Designations
 1998 QJ33 = 1117 T-3 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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