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JPL Small-Body Database Browser
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185961 (2001 FQ74)
Classification: Main-belt Asteroid          SPK-ID: 2185961
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112404889456651 5.0116e-08  
a 2.291875541608783 1.4038e-08 au
q 2.036926185757611 1.1886e-07 au
i 4.703899167239578 5.6479e-06 deg
node 61.79328524719057 6.8803e-05 deg
peri 86.475776311827 7.8898e-05 deg
M 219.4389419025183 3.2689e-05 deg
tp 2459495.320277760547
(2021-Oct-07.82027776)
0.00011475 TDB
period 1267.316157155396
3.47
1.1644e-05
3.188e-08
d
yr
n .2840648704487853 2.6099e-09 deg/d
Q 2.546824897459955 1.5599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6203 days (16.98 yr)  
   first obs. used      2001-03-19  
   last obs. used      2018-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54224  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:25:04  

Additional Information
 Earth MOID = 1.05474 au 
 Jupiter MOID = 2.45535 au 
 T_jup = 3.585 
[ 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 16.9   n/a MPO436918  

185961 (2001 FQ74)          Discovered 2001-Mar-19 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2001 FQ74 = 2003 YN81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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