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434330 (2004 JM23)
Classification: Main-belt Asteroid          SPK-ID: 2434330
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1485742862562738 6.964e-08  
a 3.12645055335957 4.7531e-08 au
q 2.66194039387864 2.2483e-07 au
i 26.39041398996232 1.3856e-05 deg
node 234.3317522846323 1.4198e-05 deg
peri 56.47916191114349 4.7004e-05 deg
M 274.665950207608 4.7928e-05 deg
tp 2459479.125275890860
(2021-Sep-21.62527589)
0.00027287 TDB
period 2019.183429591218
5.53
4.6046e-05
1.261e-07
d
yr
n .1782898941840473 4.0658e-09 deg/d
Q 3.590960712840501 5.4593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      5847 days (16.01 yr)  
   first obs. used      2004-04-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:25:01  

Additional Information
 Earth MOID = 1.72284 au 
 Jupiter MOID = 1.65274 au 
 T_jup = 3.038 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457381.5 (2015-Dec-25.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1473100044757572 6.9885e-08  
q 2.667028433448094 2.2563e-07 au
tp 2457457.359487757696
(2016-Mar-09.85948776)
0.00026061 TDB
node 234.3549570341541 1.4196e-05 deg
peri 56.27418420341051 4.7322e-05 deg
i 26.38711527674881 1.3855e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      5847 days (16.01 yr)  
   first obs. used      2004-04-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:25:01  

Additional Information
 Jupiter MOID = 1.65274 au 
 T_jup = 3.038 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.883871031962355E-15 -1.551417339275418E-14 -1.035128686828872E-11 -1.09006327007342E-14 -1.829119040268644E-12 -1.520304059215237E-14
q -1.551417339275418E-14 5.090699706957166E-14 3.480528985848528E-11 1.843923004909881E-14 6.124049998460043E-12 7.511665637140124E-14
tp -1.035128686828872E-11 3.480528985848528E-11 6.791660250288544E-8 6.201869365139301E-11 1.178623947387999E-8 3.640415118504871E-11
node -1.09006327007342E-14 1.843923004909881E-14 6.201869365139301E-11 2.015162807488341E-10 -1.697513677081487E-10 -4.945541132252655E-11
peri -1.829119040268644E-12 6.124049998460043E-12 1.178623947387999E-8 -1.697513677081487E-10 2.23935944604921E-9 5.125836511982057E-11
i -1.520304059215237E-14 7.511665637140124E-14 3.640415118504871E-11 -4.945541132252655E-11 5.125836511982057E-11 1.919684463827465E-10

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 MPO437680  

434330 (2004 JM23)          Discovered 2004-May-13 by NEAT at Palomar
Reference: Last Updated: 2015-06-04

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