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181204 (2005 SU169)
Classification: Main-belt Asteroid          SPK-ID: 2181204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09238319504644259 3.7898e-08  
a 2.765740772475306 1.9427e-08 au
q 2.510232803243821 1.0627e-07 au
i 3.881283738561867 4.3155e-06 deg
node 244.1690620937541 6.5555e-05 deg
peri 335.8057064338844 7.0155e-05 deg
M 257.3287167604155 2.6901e-05 deg
tp 2459679.639664401582
(2022-Apr-10.13966440)
0.00012729 TDB
period 1680.024576902013
4.60
1.7701e-05
4.846e-08
d
yr
n .2142825795226429 2.2577e-09 deg/d
Q 3.021248741706791 2.1222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      7950 days (21.77 yr)  
   first obs. used      1999-05-10  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53948  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:38  

Additional Information
 Earth MOID = 1.50143 au 
 Jupiter MOID = 1.96043 au 
 T_jup = 3.330 
[ 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 15.77   n/a MPCxxxxx  

181204 (2005 SU169)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 SU169 = 2001 WJ63 = 2003 EF8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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