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JPL Small-Body Database Browser
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74141 (1998 QK77)
Classification: Main-belt Asteroid          SPK-ID: 2074141
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2324757136986254 6.4784e-08  
a 2.751102165660514 2.3816e-08 au
q 2.111537726240752 1.8043e-07 au
i 29.66169637570133 8.0906e-06 deg
node 191.6497638020962 1.1507e-05 deg
peri 192.270841626427 1.6532e-05 deg
M 168.3082045376917 1.5008e-05 deg
tp 2457821.277846173339
(2017-Mar-08.77784617)
6.3082e-05 TDB
period 1666.704104818473
4.56
2.1643e-05
5.926e-08
d
yr
n .215995148124513 2.8048e-09 deg/d
Q 3.390666605080276 2.9353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      10796 days (29.56 yr)  
   first obs. used      1989-10-03  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:41:50  

Additional Information
 Earth MOID = 1.11745 au 
 Jupiter MOID = 2.07838 au 
 T_jup = 3.120 
[ 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 15.2   n/a MPO337816  

74141 (1998 QK77)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QK77 = 1989 TH5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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