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186887 (2004 JM29)
Classification: Main-belt Asteroid          SPK-ID: 2186887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809142029149318 6.1338e-08  
a 2.591764093502701 2.203e-08 au
q 2.122877158383119 1.614e-07 au
i 11.21923745704715 7.1517e-06 deg
node 214.59811064 3.8941e-05 deg
peri 81.27023861520682 4.3708e-05 deg
M 302.6349762524761 2.238e-05 deg
tp 2459443.348993044105
(2021-Aug-16.84899304)
9.5745e-05 TDB
period 1524.023381924453
4.17
1.9431e-05
5.32e-08
d
yr
n .2362168482910096 3.0117e-09 deg/d
Q 3.060651028622283 2.6015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      6697 days (18.34 yr)  
   first obs. used      2001-11-20  
   last obs. used      2020-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53432  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:06  

Additional Information
 Earth MOID = 1.14046 au 
 Jupiter MOID = 2.21358 au 
 T_jup = 3.369 
[ 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 16.41   n/a E2021B55  

186887 (2004 JM29)          Discovered 2004-May-15 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 JM29 = 2005 WH85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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