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344874 (2004 NZ4)
Classification: Main-belt Asteroid          SPK-ID: 2344874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09760053271003336 1.6903e-07  
a 2.358880970727409 2.5125e-08 au
q 2.128652931384853 3.8944e-07 au
i 25.69798454658938 1.0644e-05 deg
node 302.8315303484022 1.6433e-05 deg
peri 4.160605928117712 4.2158e-05 deg
M 143.8115287607048 4.7332e-05 deg
tp 2458471.873817718676
(2018-Dec-19.37381772)
0.00017013 TDB
period 1323.297424491852
3.62
2.1142e-05
5.788e-08
d
yr
n .2720476843202808 4.3464e-09 deg/d
Q 2.589109010069965 2.7577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7681 days (21.03 yr)  
   first obs. used      1999-01-08  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:07:00  

Additional Information
 Earth MOID = 1.1138 au 
 Jupiter MOID = 2.6712 au 
 T_jup = 3.413 
[ 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 16.3   n/a MPO402363  
diameter diameter 4.169 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344874 (2004 NZ4)          Discovered 2004-Jul-09 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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