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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09528189210387465 7.8808e-08  
a 2.297069377732778 1.3721e-08 AU
q 2.078200261128529 1.7817e-07 AU
i 4.876927415868317 6.9756e-06 deg
node 132.8099847803927 8.035e-05 deg
peri 70.52496049118419 8.5751e-05 deg
M 161.6825676690743 3.1339e-05 deg
tp 2456429.389306403026
(2013-May-16.88930640)
0.00010989 JED
period 1271.626574583629
3.48
1.1394e-05
3.12e-08
d
yr
n .2831019791465709 2.5366e-09 deg/d
Q 2.515938494337027 1.5028e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      22055 days (60.38 yr)  
   first obs. used      1954-05-23  
   last obs. used      2014-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48342  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:26:52  

Additional Information
 Earth MOID = 1.08239 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 14.1 mag n/a MPO266043  

16404 (1985 CM1)          Discovered 1985-Feb-13 by Debehogne, H. at La Silla (809)
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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