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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538606222556705 4.3873e-08  
a 2.603660195588705 1.0773e-08 au
q 2.203059417753106 1.1407e-07 au
i 13.00783970566971 4.9002e-06 deg
node 57.17502341537585 1.7429e-05 deg
peri 341.9648732278111 2.1434e-05 deg
M 319.0962838701566 1.233e-05 deg
tp 2458774.855297563880
(2019-Oct-18.35529756)
5.2662e-05 TDB
period 1534.528230240708
4.20
9.5239e-06
2.608e-08
d
yr
n .2345997896327589 1.456e-09 deg/d
Q 3.004260973424304 1.243e-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 = 1.2149 au 
 Jupiter MOID = 2.4031 au 
 T_jup = 3.361 
[ 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

[ 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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