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16404 (1985 CM1)
Classification: Main-belt Asteroid          SPK-ID: 2016404
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09557997451899453 5.5601e-08  
a 2.297509456660163 1.1852e-08 au
q 2.077913561335436 1.2938e-07 au
i 4.876398990483331 5.586e-06 deg
node 132.8082051820928 5.8803e-05 deg
peri 70.3096472478672 6.5136e-05 deg
M 331.7785163456804 3.0766e-05 deg
tp 2457700.215283704858
(2016-Nov-07.71528370)
0.00010901 JED
period 1271.992024708958
3.48
9.843e-06
2.695e-08
d
yr
n .2830206424308131 2.1901e-09 deg/d
Q 2.51710535198489 1.2985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1219  
   data-arc span      22598 days (61.87 yr)  
   first obs. used      1954-05-23  
   last obs. used      2016-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50616  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:24:57  

Additional Information
 Earth MOID = 1.08033 au 
 Jupiter MOID = 2.44852 au 
 T_jup = 3.583 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO350933  

16404 (1985 CM1)          Discovered 1985-Feb-13 by Debehogne, H. at La Silla
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1985 CM1 = 1992 DH 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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