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74162 (1998 QR102)
Classification: Main-belt Asteroid          SPK-ID: 2074162
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06141129740673685 4.1962e-08  
a 2.397361433093685 9.4205e-09 au
q 2.250136357134528 1.0008e-07 au
i 4.16375205684806 4.1283e-06 deg
node 59.30029268938339 5.6152e-05 deg
peri 359.7670916235248 6.6484e-05 deg
M 246.1644047574194 3.5643e-05 deg
tp 2459429.220529659468
(2021-Aug-02.72052966)
0.00013471 TDB
period 1355.809580900554
3.71
7.9916e-06
2.188e-08
d
yr
n .2655240124213323 1.5651e-09 deg/d
Q 2.544586509052842 9.9991e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1361  
   data-arc span      9947 days (27.23 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50792  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:48:58  

Additional Information
 Earth MOID = 1.26228 au 
 Jupiter MOID = 2.63447 au 
 T_jup = 3.522 
[ 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 14.9   n/a MPO337816  

74162 (1998 QR102)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QR102 = 2000 BF30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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