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JPL Small-Body Database Browser
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52227 (1975 SM1)
Classification: Main-belt Asteroid          SPK-ID: 2052227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .223647867430846 5.7725e-08  
a 2.425255220918437 1.28e-08 au
q 1.882852062784503 1.3635e-07 au
i 2.995905881354587 4.78e-06 deg
node 155.4399456113635 0.00010204 deg
peri 219.5535647641852 0.00010262 deg
M 189.1907372505003 1.3889e-05 deg
tp 2459255.051038961100
(2021-Feb-09.55103896)
5.6771e-05 TDB
period 1379.540958335331
3.78
1.0921e-05
2.99e-08
d
yr
n .2609563694537971 2.0659e-09 deg/d
Q 2.967658379052371 1.5662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      15929 days (43.61 yr)  
   first obs. used      1975-09-30  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58103  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:46:45  

Additional Information
 Earth MOID = .884118 au 
 Jupiter MOID = 2.49228 au 
 T_jup = 3.475 
[ 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 16.0   n/a MPO233786  

52227 (1975 SM1)          Discovered 1975-Sep-30 by Bus, S. J. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1975 SM1 = 1990 QO10 = 1996 FE13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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