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173491 (2000 SY185)
Classification: Main-belt Asteroid          SPK-ID: 2173491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1801121369049536 4.9683e-08  
a 2.223624204631117 1.3134e-08 au
q 1.823122497461429 1.0862e-07 au
i 3.322330676408716 6.9522e-06 deg
node 205.1813266616847 9.7841e-05 deg
peri 268.3825473141501 0.00010074 deg
M 250.2592968306316 2.1975e-05 deg
tp 2459369.694951677022
(2021-Jun-04.19495168)
7.4845e-05 TDB
period 1211.129314513329
3.32
1.073e-05
2.938e-08
d
yr
n .2972432387574234 2.6335e-09 deg/d
Q 2.624125911800805 1.55e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      7461 days (20.43 yr)  
   first obs. used      1997-12-04  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59133  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:52:42  

Additional Information
 Earth MOID = .843201 au 
 Jupiter MOID = 2.48819 au 
 T_jup = 3.624 
[ 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 16.8   n/a MPO433114  

173491 (2000 SY185)          Discovered 2000-Sep-21 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2000 SY185 = 2005 EF39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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