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19038 (4764 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2019038
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03437377861881837 4.0712e-08  
a 2.883656679471882 1.4731e-08 au
q 2.784534503159039 1.2092e-07 au
i 2.251907935068814 3.948e-06 deg
node 151.8509755588125 9.6923e-05 deg
peri 47.02132411397346 0.00011319 deg
M 272.8053620587028 6.0827e-05 deg
tp 2459633.712555065340
(2022-Feb-23.21255507)
0.0003036 TDB
period 1788.60218364022
4.90
1.3705e-05
3.752e-08
d
yr
n .2012744942910203 1.5423e-09 deg/d
Q 2.982778855784725 1.5237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1524  
   data-arc span      22060 days (60.40 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:44:47  

Additional Information
 Earth MOID = 1.78131 au 
 Jupiter MOID = 1.97131 au 
 T_jup = 3.291 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457371.5 (2015-Dec-15.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03520582550740532 4.0221e-08  
q 2.780531022379802 1.1927e-07 au
tp 2457864.131330006445
(2017-Apr-20.63133001)
0.00029762 TDB
node 151.8927104516776 9.6862e-05 deg
peri 50.84374581653434 0.00011307 deg
i 2.252022492125521 3.9517e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1524  
   data-arc span      22060 days (60.40 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:44:47  

Additional Information
 Jupiter MOID = 1.97131 au 
 T_jup = 3.291 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.617724132241216E-15 -4.764494379054909E-15 -3.223153691545675E-12 -8.80445058818844E-15 -5.890455013760471E-13 3.370092780926073E-16
q -4.764494379054909E-15 1.422486825025489E-14 1.087206215559299E-11 2.809065792003935E-14 1.996859649224629E-12 -8.790179709630339E-16
tp -3.223153691545675E-12 1.087206215559299E-11 8.857655908544029E-8 7.089489752113996E-11 1.737408883671996E-8 2.652922000379104E-12
node -8.80445058818844E-15 2.809065792003935E-14 7.089489752113996E-11 9.382159965352209E-9 -9.360779511139619E-9 5.516792100818182E-11
peri -5.890455013760471E-13 1.996859649224629E-12 1.737408883671996E-8 -9.360779511139619E-9 1.278415468107847E-8 -5.458953382539391E-11
i 3.370092780926073E-16 -8.790179709630339E-16 2.652922000379104E-12 5.516792100818182E-11 -5.458953382539391E-11 1.561607366708118E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.26   n/a MPCxxxxx  

19038 (4764 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4764 P-L = 1994 RQ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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