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74732 (1999 RQ176)
Classification: Main-belt Asteroid          SPK-ID: 2074732
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1129371337058629 3.0605e-08  
a 2.252467355387323 6.456e-09 au
q 1.998080148503854 6.8716e-08 au
i 4.256010335975255 3.2342e-06 deg
node 198.8496835718656 4.6935e-05 deg
peri 263.2824142660666 4.9161e-05 deg
M 8.17194321376526 1.49e-05 deg
tp 2459172.470908293543
(2020-Nov-18.97090829)
5.1091e-05 TDB
period 1234.77032945207
3.38
5.3086e-06
1.453e-08
d
yr
n .2915521951031575 1.2535e-09 deg/d
Q 2.506854562270792 7.1851e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1264  
   data-arc span      7868 days (21.54 yr)  
   first obs. used      1999-09-04  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:20:37  

Additional Information
 Earth MOID = 1.02003 au 
 Jupiter MOID = 2.61618 au 
 T_jup = 3.614 
[ 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 15.64   n/a MPCxxxxx  

74732 (1999 RQ176)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RQ176 = 2001 FV39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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