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154737 (2004 NM16)
Classification: Main-belt Asteroid          SPK-ID: 2154737
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579990021005993 7.2142e-08  
a 2.689605335253719 2.534e-08 au
q 2.264650376239183 1.8373e-07 au
i 14.01182245868729 6.6921e-06 deg
node 138.1900207545145 2.0585e-05 deg
peri 180.5414882618315 2.8977e-05 deg
M 207.0631935452249 2.5861e-05 deg
tp 2459684.948505785772
(2022-Apr-15.44850579)
0.00012339 TDB
period 1611.132518029538
4.41
2.2769e-05
6.234e-08
d
yr
n .2234453069324741 3.1577e-09 deg/d
Q 3.114560294268254 2.9343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      7570 days (20.73 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:34:10  

Additional Information
 Earth MOID = 1.25152 au 
 Jupiter MOID = 2.20907 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457358.5 (2015-Dec-02.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575953610069321 7.2131e-08  
q 2.267823079349452 1.8357e-07 au
tp 2458070.884793893406
(2017-Nov-13.38479389)
0.00010639 TDB
node 138.2600900883202 2.0547e-05 deg
peri 179.853180907902 2.8997e-05 deg
i 14.02062082773051 6.6958e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      7570 days (20.73 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:34:10  

Additional Information
 Jupiter MOID = 2.20907 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.202838391527548E-15 -1.31737490948379E-14 4.455450860876907E-12 1.826739704755843E-14 7.417049475257213E-13 -3.526891289476548E-15
q -1.31737490948379E-14 3.369700694199997E-14 -1.027808841791106E-11 -4.796457956198653E-14 -1.704524931566604E-12 6.690125192958914E-15
tp 4.455450860876907E-12 -1.027808841791106E-11 1.131969407216752E-8 3.687569748633886E-12 2.1806643177247E-9 -1.839562791805393E-11
node 1.826739704755843E-14 -4.796457956198653E-14 3.687569748633886E-12 4.221997530697787E-10 -4.089663822682822E-10 3.609139416975971E-11
peri 7.417049475257213E-13 -1.704524931566604E-12 2.1806643177247E-9 -4.089663822682822E-10 8.408335699215064E-10 -3.854215673845572E-11
i -3.526891289476548E-15 6.690125192958914E-15 -1.839562791805393E-11 3.609139416975971E-11 -3.854215673845572E-11 4.483417045110965E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO268116  

154737 (2004 NM16)          Discovered 2004-Jul-11 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 NM16 = 1999 JG129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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