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JPL Small-Body Database Browser
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49014 (1998 QQ74)
Classification: Main-belt Asteroid          SPK-ID: 2049014
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07408747225412489 3.4181e-08  
a 2.371631718069004 1.1155e-08 au
q 2.195923518959564 8.2918e-08 au
i 12.13608453044496 4.0418e-06 deg
node 223.2201738752154 1.912e-05 deg
peri 14.02055552616533 3.6153e-05 deg
M 334.900077277483 2.9769e-05 deg
tp 2458693.512043360175
(2019-Jul-29.01204336)
0.00011019 TDB
period 1334.041382510884
3.65
9.4116e-06
2.577e-08
d
yr
n .2698566961411804 1.9038e-09 deg/d
Q 2.547339917178443 1.1981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      7570 days (20.73 yr)  
   first obs. used      1998-08-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52098  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:46  

Additional Information
 Earth MOID = 1.18661 au 
 Jupiter MOID = 2.44432 au 
 T_jup = 3.510 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO474369  
diameter diameter 5.126 km 1.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.046   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

49014 (1998 QQ74)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QQ74 = 2001 KA11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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