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19040 (4875 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2019040
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638244385986143 2.9739e-08  
a 2.359986270079875 7.6716e-09 au
q 1.973362844283601 6.785e-08 au
i 3.242688980810785 3.7277e-06 deg
node 52.8458489503237 6.9604e-05 deg
peri 63.16048893872586 7.1093e-05 deg
M 128.1785471493363 1.4078e-05 deg
tp 2458729.006743835688
(2019-Sep-02.50674384)
5.1129e-05 TDB
period 1324.227618381391
3.63
6.457e-06
1.768e-08
d
yr
n .2718565864379339 1.3256e-09 deg/d
Q 2.746609695876148 8.9283e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      21839 days (59.79 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4825  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:44:51  

Additional Information
 Earth MOID = .992124 au 
 Jupiter MOID = 2.34779 au 
 T_jup = 3.531 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.93   n/a E2021B10  
rotation period rot_per 3.658 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

19040 (4875 P-L)          Discovered 1960-Sep-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4875 P-L = 1964 WC1 = 2000 SG114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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