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129207 (2005 ND41)
Classification: Jupiter Trojan          SPK-ID: 2129207
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 .06536812894166603 5.7898e-08  
a 5.307755215956663 9.3205e-08 au
q 4.960797188609207 3.4218e-07 au
i 3.4860509004732 6.6766e-06 deg
node 174.4284857716834 7.9991e-05 deg
peri 228.9439488817292 9.0493e-05 deg
M 341.6786798941591 4.1392e-05 deg
tp 2459227.810248865681
(2021-Jan-13.31024887)
0.00051307 TDB
period 4466.473437443911
12.23
0.00011765
3.221e-07
d
yr
n .08060050172514224 2.123e-09 deg/d
Q 5.654713243304118 9.9297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      21944 days (60.08 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52315  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:51:03  

Additional Information
 Earth MOID = 3.97079 au 
 Jupiter MOID = .0347938 au 
 T_jup = 2.992 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9   n/a MPO493740  
diameter diameter 17.112 km 0.872 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.042   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

129207 (2005 ND41)          Discovered 2005-Jul-04 by Lemmon Survey, Mt. at Mt. Lemmon
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2005 ND41 = 4534 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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