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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2319243755009745 4.9656e-08  
a 2.41731384805112 8.2063e-09 au
q 1.856679843452006 1.2241e-07 au
i 12.73985700634807 4.7553e-06 deg
node 181.3481880514511 1.5671e-05 deg
peri 192.0410359798485 1.7911e-05 deg
M 52.09770007286508 8.9907e-06 deg
tp 2459197.838350434983
(2020-Dec-14.33835043)
3.4036e-05 TDB
period 1372.770654815457
3.76
6.9904e-06
1.914e-08
d
yr
n .2622433679924454 1.3354e-09 deg/d
Q 2.977947852650234 1.011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      21990 days (60.21 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4775  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:20  

Additional Information
 Earth MOID = .857478 au 
 Jupiter MOID = 2.48822 au 
 T_jup = 3.446 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458146.5 (2018-Jan-28.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2331469501179941 4.955e-08  
q 1.853042898304996 1.2232e-07 au
tp 2457825.874220959528
(2017-Mar-13.37422096)
3.2799e-05 TDB
node 181.4280423730925 1.5672e-05 deg
peri 192.0803391963401 1.7881e-05 deg
i 12.74385409932749 4.7551e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      21990 days (60.21 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4775  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:20  

Additional Information
 Jupiter MOID = 2.48822 au 
 T_jup = 3.446 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.455193777102059E-15 -6.053916112133905E-15 -7.857012053574206E-13 -2.074208837818354E-14 -1.046529907267834E-13 -9.635906234663582E-15
q -6.053916112133905E-15 1.496225517051807E-14 1.904770987685753E-12 5.11601636856285E-14 2.516133812356808E-13 2.385628776846411E-14
tp -7.857012053574206E-13 1.904770987685753E-12 1.075782206934259E-9 1.1315021268552E-11 2.818225865787003E-10 6.079358058484852E-12
node -2.074208837818354E-14 5.11601636856285E-14 1.1315021268552E-11 2.456146531083982E-10 -2.366982057507162E-10 -2.590210030847975E-11
peri -1.046529907267834E-13 2.516133812356808E-13 2.818225865787003E-10 -2.366982057507162E-10 3.197272428884209E-10 2.679765847831459E-11
i -9.635906234663582E-15 2.385628776846411E-14 6.079358058484852E-12 -2.590210030847975E-11 2.679765847831459E-11 2.261057131302442E-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 16.29   n/a E2021B55  
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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