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173254 (1999 RG97)
Classification: Main-belt Asteroid          SPK-ID: 2173254
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906444497045902 5.3681e-08  
a 2.42544736241488 1.2492e-08 au
q 1.963049284719846 1.267e-07 au
i 3.324480043382616 4.9492e-06 deg
node 127.1372398219884 6.4555e-05 deg
peri 214.7868499621185 6.5593e-05 deg
M 181.8332851652704 9.7722e-06 deg
tp 2459683.326361302533
(2022-Apr-13.82636130)		 3.9279e-05 TDB
period 1379.704903336946
3.78		 1.0659e-05
2.918e-08		 d
yr
n .2609253610169148 2.0157e-09 deg/d
Q 2.887845440109915 1.4873e-08 au
   Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      7454 days (20.41 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:01:23  

Additional Information
 Earth MOID = .955828 au 
 Jupiter MOID = 2.51026 au 
 T_jup = 3.483 
[ 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 16.8   n/a MPO459805  

173254 (1999 RG97)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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Alternate Designations
 1999 RG97 = 2003 UO180 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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