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249577 (1995 SH16)
Classification: Main-belt Asteroid          SPK-ID: 2249577
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 .009926332440616225 6.4607e-08  
a 2.988223890413983 3.1971e-08 au
q 2.958561786670742 2.0034e-07 au
i 9.087142847411688 7.011e-06 deg
node 176.625197865074 3.4831e-05 deg
peri 181.3127519433142 0.00030515 deg
M 280.3405635378214 0.00030658 deg
tp 2459417.996516486751
(2021-Jul-22.49651649)
0.0016094 TDB
period 1886.766372074332
5.17
3.028e-05
8.29e-08
d
yr
n .1908026374268119 3.0621e-09 deg/d
Q 3.017885994157223 3.2289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      8626 days (23.62 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:24:55  

Additional Information
 Earth MOID = 1.95304 au 
 Jupiter MOID = 1.99651 au 
 T_jup = 3.238 
[ 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 15.6   n/a MPO433635  

249577 (1995 SH16)          Discovered 1995-Sep-18 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 1995 SH16 = 2008 EQ80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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