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19869 (4202 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2019869
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06303811780602747 4.1209e-08  
a 2.674732517700293 1.2405e-08 au
q 2.506122414149889 1.1251e-07 au
i 8.715852501071128 4.9463e-06 deg
node 338.1182120913088 2.7163e-05 deg
peri 77.97028853493828 4.7017e-05 deg
M 235.2492297281769 3.8624e-05 deg
tp 2459754.181099133908
(2022-Jun-23.68109913)
0.0001725 TDB
period 1597.787294249898
4.37
1.1116e-05
3.043e-08
d
yr
n .2253115926604027 1.5675e-09 deg/d
Q 2.843342621250696 1.3187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1543  
   data-arc span      21872 days (59.88 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:08:18  

Additional Information
 Earth MOID = 1.53343 au 
 Jupiter MOID = 2.36096 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456726.5 (2014-Mar-10.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0636052610602839 4.0737e-08  
q 2.504299592862215 1.1089e-07 au
tp 2456569.866650283639
(2013-Oct-04.36665028)
0.00016763 TDB
node 338.189540750023 2.721e-05 deg
peri 79.95357977582793 4.7e-05 deg
i 8.70907635215411 4.9415e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1543  
   data-arc span      21872 days (59.88 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:08:18  

Additional Information
 Jupiter MOID = 2.36096 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.6595066621387E-15 -4.492381285185762E-15 -2.12304430098156E-12 7.083561997761855E-15 -5.256332825983822E-13 -5.430146912474176E-16
q -4.492381285185762E-15 1.229745223568217E-14 5.85768520458734E-12 -1.888525745799072E-14 1.450806515543631E-12 1.757820907307765E-15
tp -2.12304430098156E-12 5.85768520458734E-12 2.810071787967503E-8 -2.533477869914234E-11 6.438988917613028E-9 2.795079128866023E-12
node 7.083561997761855E-15 -1.888525745799072E-14 -2.533477869914234E-11 7.403969802297116E-10 -7.373469320094446E-10 3.071960309562114E-11
peri -5.256332825983822E-13 1.450806515543631E-12 6.438988917613028E-9 -7.373469320094446E-10 2.209020939900663E-9 -2.974137554256642E-11
i -5.430146912474176E-16 1.757820907307765E-15 2.795079128866023E-12 3.071960309562114E-11 -2.974137554256642E-11 2.441866379431755E-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 13.91   n/a E2021B10  
diameter diameter 3.869 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.391   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19869 (4202 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4202 P-L = 1997 AS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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