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181730 (1995 SN49)
Classification: Main-belt Asteroid          SPK-ID: 2181730
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113029346685338 1.2774e-07  
a 3.030237594898711 3.8993e-08 au
q 2.692963257843565 4.0683e-07 au
i .944045273976803 1.1697e-05 deg
node 210.4549756093348 0.0005099 deg
peri 151.2979084112484 0.00051175 deg
M 273.2502149466815 4.5241e-05 deg
tp 2459664.779337960388
(2022-Mar-26.27933796)
0.00024685 TDB
period 1926.697127410877
5.28
3.7189e-05
1.018e-07
d
yr
n .1868482569877359 3.6065e-09 deg/d
Q 3.367511931953857 4.3333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      9016 days (24.68 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55307  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:47  

Additional Information
 Earth MOID = 1.68849 au 
 Jupiter MOID = 2.08483 au 
 T_jup = 3.234 
[ 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 16.9   n/a MPO433185  

181730 (1995 SN49)          Discovered 1995-Sep-22 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1995 SN49 = 2006 TC26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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