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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128148860639521 3.1145e-08  
a 2.252068645988158 8.8247e-09 au
q 1.998001778282806 7.1054e-08 au
i 4.256278720574632 3.7499e-06 deg
node 198.8545337507001 4.768e-05 deg
peri 263.3334978330917 5.1308e-05 deg
M 309.8029485196132 2.1871e-05 deg
tp 2459172.626037251150
(2020-Nov-19.12603725)
7.5563e-05 TDB
period 1234.442493791199
3.38
7.2557e-06
1.987e-08
d
yr
n .2916296237456748 1.7141e-09 deg/d
Q 2.506135513693511 9.8203e-09 au
  Orbit Determination Parameters
   # obs. used (total)      985  
   data-arc span      7398 days (20.25 yr)  
   first obs. used      1999-09-04  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53643  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:21:15  

Additional Information
 Earth MOID = 1.02013 au 
 Jupiter MOID = 2.61712 au 
 T_jup = 3.614 
[ 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 MPO280229  

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

[ show close-approach data ]
Alternate Designations
 1999 RQ176 = 2001 FV39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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