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180634 (2004 FG161)
Classification: Main-belt Asteroid          SPK-ID: 2180634
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727492843165585 4.2536e-08  
a 2.429581294475965 1.5236e-08 au
q 2.009872864666344 1.0306e-07 au
i 2.59313197466691 6.5583e-06 deg
node 39.52117767182839 0.00010662 deg
peri 273.1594609229177 0.00010826 deg
M 21.5924806945693 2.0642e-05 deg
tp 2459117.534866000953
(2020-Sep-25.03486600)
7.9047e-05 TDB
period 1383.233759109891
3.79
1.3011e-05
3.562e-08
d
yr
n .2602596977040667 2.4481e-09 deg/d
Q 2.849289724285585 1.7868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      10912 days (29.88 yr)  
   first obs. used      1990-08-26  
   last obs. used      2020-07-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52732  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:18  

Additional Information
 Earth MOID = .99586 au 
 Jupiter MOID = 2.4223 au 
 T_jup = 3.486 
[ 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 16.38   n/a E2021B55  

180634 (2004 FG161)          Discovered 2004-Mar-18 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2004 FG161 = 1990 QH17 = 2005 NS86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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