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173185 (1998 FB72)
Classification: Main-belt Asteroid          SPK-ID: 2173185
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1591251751825128 4.4158e-08  
a 2.370126858096238 1.0716e-08 au
q 1.992980006596895 1.0502e-07 au
i 3.137408246694404 4.6467e-06 deg
node 38.70682563850535 6.5969e-05 deg
peri 192.7765673798224 6.8452e-05 deg
M 47.340402162528 1.472e-05 deg
tp 2459025.239011581009
(2020-Jun-24.73901158)
5.4917e-05 TDB
period 1332.771859736722
3.65
9.0392e-06
2.475e-08
d
yr
n .270113746302473 1.832e-09 deg/d
Q 2.74727370959558 1.2422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      8151 days (22.32 yr)  
   first obs. used      1998-02-28  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:55:59  

Additional Information
 Earth MOID = .981215 au 
 Jupiter MOID = 2.24273 au 
 T_jup = 3.526 
[ 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 17.06   n/a E2021B55  

173185 (1998 FB72)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1998 FB72 = 2003 UJ286 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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