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JPL Small-Body Database Browser
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49023 (1998 QQ93)
Classification: Main-belt Asteroid          SPK-ID: 2049023
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 .1541247137146446 4.3821e-08  
a 2.604358645208544 1.039e-08 au
q 2.202962614605517 1.1394e-07 au
i 13.00664052938371 4.873e-06 deg
node 57.17481216299549 1.6422e-05 deg
peri 341.9448945146587 2.0438e-05 deg
M 52.92867444716913 1.1572e-05 deg
tp 2458774.796585365152
(2019-Oct-18.29658537)
4.931e-05 TDB
period 1535.145743157584
4.20
9.1866e-06
2.515e-08
d
yr
n .2345054217845984 1.4033e-09 deg/d
Q 3.00575467581157 1.1991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1527  
   data-arc span      10139 days (27.76 yr)  
   first obs. used      1992-04-26  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47136  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:18:20  

Additional Information
 Earth MOID = 1.21534 au 
 Jupiter MOID = 2.40323 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456639.5 (2013-Dec-13.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1534853241229781 4.366e-08  
q 2.204924534369141 1.1333e-07 au
tp 2457234.734478732569
(2015-Jul-31.23447873)
5.0463e-05 TDB
node 57.25581061175553 1.6454e-05 deg
peri 340.950144090005 2.0517e-05 deg
i 12.99396706367468 4.868e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1527  
   data-arc span      10139 days (27.76 yr)  
   first obs. used      1992-04-26  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47136  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:18:20  

Additional Information
 Jupiter MOID = 2.40323 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.906192193849385E-15 -4.933430627630167E-15 1.488638778621368E-13 3.995749937475671E-15 6.617021619497368E-15 3.58859195097932E-16
q -4.933430627630167E-15 1.284439072555128E-14 -4.499495023092001E-13 -1.038360363393917E-14 -3.782572456848258E-14 -6.228224890359248E-16
tp 1.488638778621368E-13 -4.499495023092001E-13 2.546534861409406E-9 -3.565027698191959E-12 6.284073108950276E-10 7.575238917665805E-13
node 3.995749937475671E-15 -1.038360363393917E-14 -3.565027698191959E-12 2.707494425797023E-10 -2.642838629898039E-10 -1.00220593722213E-11
peri 6.617021619497368E-15 -3.782572456848258E-14 6.284073108950276E-10 -2.642838629898039E-10 4.209290435901935E-10 9.88436098957539E-12
i 3.58859195097932E-16 -6.228224890359248E-16 7.575238917665805E-13 -1.00220593722213E-11 9.88436098957539E-12 2.369744919923046E-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 13.3   n/a MPO417156  
diameter diameter 5.898 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.320   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49023 (1998 QQ93)          Discovered 1998-Aug-28 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QQ93 = 1998 TA30 = 2000 FR31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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