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187239 (2005 SR169)
Classification: Main-belt Asteroid          SPK-ID: 2187239
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14239233514468 9.1166e-08  
a 2.599440698906531 2.9755e-08 au
q 2.229300267719111 2.2637e-07 au
i 2.972255603255332 6.5754e-06 deg
node 286.9649010152221 0.00014254 deg
peri 38.82358922257178 0.00015029 deg
M 260.7076267265458 5.9305e-05 deg
tp 2459622.713085236387
(2022-Feb-12.21308524)
0.00025732 TDB
period 1530.799452909596
4.19
2.6284e-05
7.196e-08
d
yr
n .2351712363861554 4.038e-09 deg/d
Q 2.969581130093951 3.3992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2001-10-21  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:53:11  

Additional Information
 Earth MOID = 1.21635 au 
 Jupiter MOID = 2.34362 au 
 T_jup = 3.399 
[ 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 16.94   n/a E2021B55  

187239 (2005 SR169)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2005 SR169 = 2001 UL212 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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