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

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457110.5 (2015-Mar-29.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06509876678211647 5.765e-08  
q 4.94822248638455 3.3985e-07 au
tp 2459243.833972631482
(2021-Jan-29.33397263)
0.00051873 TDB
node 174.464320003071 8.0002e-05 deg
peri 230.5207703921698 9.0761e-05 deg
i 3.488002439791905 6.6819e-06 deg
  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
 Jupiter MOID = .0347938 au 
 T_jup = 2.992 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.32347026356419E-15 -1.899332770872028E-14 -8.659188109091804E-12 -1.305912624066633E-15 -5.731632298790837E-13 1.944101869575878E-16
q -1.899332770872028E-14 1.15496824271087E-13 4.305797704425686E-11 6.17576835252021E-15 2.384993954484195E-12 -7.384037586823512E-16
tp -8.659188109091804E-12 4.305797704425686E-11 2.690796667276217E-7 3.206068417593748E-11 2.213895463280163E-8 3.662181093486187E-12
node -1.305912624066633E-15 6.17576835252021E-15 3.206068417593748E-11 6.400245378898357E-9 -6.385639717692259E-9 1.03128138857461E-10
peri -5.731632298790837E-13 2.384993954484195E-12 2.213895463280163E-8 -6.385639717692259E-9 8.23758592189801E-9 -1.026553543747199E-10
i 1.944101869575878E-16 -7.384037586823512E-16 3.662181093486187E-12 1.03128138857461E-10 -1.026553543747199E-10 4.464712177855903E-11

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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