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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09550165457736445 6.3365e-08  
a 2.296862979082478 1.2392e-08 au
q 2.077508764242606 1.4535e-07 au
i 4.876886203621639 5.9832e-06 deg
node 132.8098793822601 6.6766e-05 deg
peri 70.47998608594271 7.2524e-05 deg
M 274.9979448459989 3.0817e-05 deg
tp 2457700.711955878522
(2016-Nov-08.21195588)
0.00010967 JED
period 1271.455189177043
3.48
1.029e-05
2.817e-08
d
yr
n .2831401397897571 2.2914e-09 deg/d
Q 2.516217193922349 1.3575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1133  
   data-arc span      22491 days (61.58 yr)  
   first obs. used      1954-05-23  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5109  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:33:46  

Additional Information
 Earth MOID = 1.08 au 
 Jupiter MOID = 2.44911 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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