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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09528189383594232 7.874e-08  
a 2.2970693772192 1.3679e-08 AU
q 2.078200256685206 1.7797e-07 AU
i 4.876927278434601 6.9051e-06 deg
node 132.8099854569758 8.0297e-05 deg
peri 70.52496147148501 8.5619e-05 deg
M 161.6825664821494 3.1226e-05 deg
tp 2456429.389310787129
(2013-May-16.88931079)
0.00010946 JED
period 1271.626574157165
3.48
1.1359e-05
3.11e-08
d
yr
n .2831019792415146 2.5288e-09 deg/d
Q 2.515938497753194 1.4982e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      22130 days (60.59 yr)  
   first obs. used      1954-05-23  
   last obs. used      2014-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48887  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:46:06  

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
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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