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187180 (2005 SY49)
Classification: Main-belt Asteroid          SPK-ID: 2187180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039658749663629 5.796e-08  
a 3.107777319080445 2.7248e-08 au
q 2.784674530901628 1.7872e-07 au
i 10.27766333076566 6.442e-06 deg
node 200.3000237035119 2.6269e-05 deg
peri 191.3994232885196 3.4854e-05 deg
M 275.7927525455421 2.5293e-05 deg
tp 2459668.580163527133
(2022-Mar-30.08016353)
0.0001439 TDB
period 2001.120615667948
5.48
2.6318e-05
7.205e-08
d
yr
n .1798992010683158 2.366e-09 deg/d
Q 3.430880107259261 3.0081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      8948 days (24.50 yr)  
   first obs. used      1994-11-01  
   last obs. used      2019-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57622  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:20  

Additional Information
 Earth MOID = 1.78952 au 
 Jupiter MOID = 2.01401 au 
 T_jup = 3.187 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO436926  

187180 (2005 SY49)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2005 SY49 = 1997 HF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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