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JPL Small-Body Database Browser
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172797 (2004 FN103)
Classification: Main-belt Asteroid          SPK-ID: 2172797
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04347617127208183 5.0611e-08  
a 2.9964506853727 3.0059e-08 au
q 2.86617648216709 1.5342e-07 au
i 2.62882651401501 5.8049e-06 deg
node 177.0882753241507 0.00011527 deg
peri 2.531601043479448 0.00013078 deg
M 49.82376125609104 6.1542e-05 deg
tp 2458738.293690549702
(2019-Sep-11.79369055)
0.00032373 TDB
period 1894.563337298573
5.19
2.8508e-05
7.805e-08
d
yr
n .1900174002698259 2.8592e-09 deg/d
Q 3.126724888578311 3.1365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      10003 days (27.39 yr)  
   first obs. used      1991-11-05  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53823  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:16:40  

Additional Information
 Earth MOID = 1.8689 au 
 Jupiter MOID = 1.83112 au 
 T_jup = 3.251 
[ 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 15.9   n/a MPO390874  
rotation period rot_per 8.73 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

172797 (2004 FN103)          Discovered 2004-Mar-23 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2004 FN103 = 1991 VW16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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