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JPL Small-Body Database Browser
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74702 (1999 RQ146)
Classification: Main-belt Asteroid          SPK-ID: 2074702
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866226580629705 4.0806e-08  
a 2.22751880632578 8.4969e-09 au
q 1.811813325804008 9.0336e-08 au
i 5.907672671635548 4.9854e-06 deg
node 304.0501555176411 5.2759e-05 deg
peri 351.1717928170778 5.5496e-05 deg
M 358.5179065859559 1.7332e-05 deg
tp 2458605.499235234220
(2019-May-01.99923523)
5.8462e-05 TDB
period 1214.312584662502
3.32
6.9481e-06
1.902e-08
d
yr
n .2964640279175366 1.6963e-09 deg/d
Q 2.643224286847552 1.0083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      7448 days (20.39 yr)  
   first obs. used      1999-07-16  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56209  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:27:04  

Additional Information
 Earth MOID = .795415 au 
 Jupiter MOID = 2.55643 au 
 T_jup = 3.615 
[ 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 15.6   n/a MPO337821  

74702 (1999 RQ146)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RQ146 = 2001 BH50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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