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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541246460053095 4.3854e-08  
a 2.604358647709533 1.0797e-08 au
q 2.202962793060435 1.1408e-07 au
i 13.00663447302777 4.8997e-06 deg
node 57.1747950625111 1.7431e-05 deg
peri 341.944893062209 2.1424e-05 deg
M 52.92868910156947 1.2375e-05 deg
tp 2458774.796522549367
(2019-Oct-18.29652255)
5.2601e-05 TDB
period 1535.145745368905
4.20
9.5463e-06
2.614e-08
d
yr
n .234505421446802 1.4583e-09 deg/d
Q 3.005754502358631 1.2461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1422  
   data-arc span      10086 days (27.61 yr)  
   first obs. used      1992-04-26  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47989  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:16:53  

Additional Information
 Earth MOID = 1.21534 au 
 Jupiter MOID = 2.40323 au 
 T_jup = 3.360 
[ 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 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

[ 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
1999-Mar-03 00:54 < 00:01 Eunom 0.0081841527973476 0.00818279506975701 0.00818551081251186 7.85128287832508 7.85128265986126 2451240.537366239 0.336119219787459 107.153706080805 26.4112714713646 53.1163829160324 37692.5027355518 T 22 CATAB v2.0f-lin.ifort 2019-Dec-14 04:17:08 2019-Dec-14 04:17

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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