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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157999002684232 7.2036e-08  
a 2.689605335387521 2.5235e-08 au
q 2.264650374782103 1.8352e-07 au
i 14.01182213524657 6.6884e-06 deg
node 138.1900232400987 1.9874e-05 deg
peri 180.5414861667815 2.8365e-05 deg
M 207.0631932036428 2.5807e-05 deg
tp 2459684.948507365553
(2022-Apr-15.44850737)
0.00012321 TDB
period 1611.132518149764
4.41
2.2674e-05
6.208e-08
d
yr
n .2234453069158002 3.1446e-09 deg/d
Q 3.114560295992938 2.9222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      7657 days (20.96 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 00:54:48  

Additional Information
 Earth MOID = 1.25152 au 
 Jupiter MOID = 2.20907 au 
 T_jup = 3.312 
[ show covariance matrix ]

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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