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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1975-Jul-09 11:20 < 00:01 Jupiter 1.97751252311351 1.9775121579668 1.97751288826023 3.33039926276339 3.19920376641347 2442602.972539302 0.916004221173674 58.9831671493652 12.6067031067508 -88.4757485257832 3631092.4159235 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 02:44:51 2021-Apr-13 02:44
2058-Dec-08 20:18 < 00:01 Jupiter 1.97713243698729 1.97713208090734 1.97713279306725 3.32039600804373 3.18876315452268 2473071.346109934 0.948552299377893 54.9099652393689 12.2269720612521 87.9493023576001 3692213.43037207 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 02:44:51 2021-Apr-13 02:44
2142-May-13 11:12 00:03 Jupiter 1.99360180225845 1.99360132176033 1.99360228275792 3.36001351332103 3.23109113046415 2503541.966742660 2.78558398960095 124.772760383597 12.150072843698 83.4572593047317 3823756.77170441 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 02:44:51 2021-Apr-13 02:44
2200-Sep-01 21:15 00:04 Jupiter 1.98597776834211 1.98597726025152 1.98597827643744 3.37494237913174 3.24611044919846 2524837.385361892 4.08210853128561 225.348503703658 12.9497330342339 -86.2451953376263 3647257.53416383 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 02:44:51 2021-Apr-13 02:44

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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