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120416 (6123 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2120416
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 .2321502881041756 4.9855e-08  
a 2.417982839214338 8.3405e-09 au
q 1.856647426459777 1.2309e-07 au
i 12.73758090825024 4.8048e-06 deg
node 181.3596968800731 1.6146e-05 deg
peri 191.9644153040451 1.8373e-05 deg
M 308.3141835171469 9.0692e-06 deg
tp 2459197.672856737732
(2020-Dec-14.17285674)
3.4843e-05 TDB
period 1373.340565281234
3.76
7.1057e-06
1.945e-08
d
yr
n .2621345419344538 1.3563e-09 deg/d
Q 2.9793182519689 1.0277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      21951 days (60.10 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48047  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:57:19  

Additional Information
 Earth MOID = .858215 au 
 Jupiter MOID = 2.48492 au 
 T_jup = 3.445 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458102.5 (2017-Dec-15.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2331508015611037 4.9788e-08  
q 1.853097206320324 1.2294e-07 au
tp 2457825.892369232550
(2017-Mar-13.39236923)
3.3591e-05 TDB
node 181.4286212190118 1.6142e-05 deg
peri 192.0877775755179 1.8346e-05 deg
i 12.74378723070611 4.8054e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      21951 days (60.10 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48047  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:57:19  

Additional Information
 Jupiter MOID = 2.48492 au 
 T_jup = 3.445 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.478844199414506E-15 -6.114053291149562E-15 -8.169814585694611E-13 -2.679662812460379E-14 -1.064405655929448E-13 -9.276119989977565E-15
q -6.114053291149562E-15 1.511521245483444E-14 1.983259528092251E-12 6.624062150728122E-14 2.56040320638808E-13 2.295699684810458E-14
tp -8.169814585694611E-13 1.983259528092251E-12 1.128329152298072E-9 1.503714375375433E-11 2.926114524107415E-10 6.049445444511382E-12
node -2.679662812460379E-14 6.624062150728122E-14 1.503714375375433E-11 2.605704309593973E-10 -2.504852603280032E-10 -2.831881342349888E-11
peri -1.064405655929448E-13 2.56040320638808E-13 2.926114524107415E-10 -2.504852603280032E-10 3.365831941434805E-10 2.916839408592E-11
i -9.276119989977565E-15 2.295699684810458E-14 6.049445444511382E-12 -2.831881342349888E-11 2.916839408592E-11 2.309147768846458E-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 16.2   n/a MPO280590  
diameter diameter 1.626 km 0.386 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.266   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120416 (6123 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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