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JPL Small-Body Database Browser
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39392 (4893 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039392
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02668969497842599 3.4578e-08  
a 2.878367442475886 1.6e-08 au
q 2.801544693400372 1.0276e-07 au
i 2.26661726382291 4.3473e-06 deg
node 25.07626811731512 9.5957e-05 deg
peri 68.20263880312285 0.00012773 deg
M 272.0194603289945 8.3361e-05 deg
tp 2459036.415085026293
(2020-Jul-05.91508503)
0.00041314 TDB
period 1783.683428134077
4.88
1.4872e-05
4.072e-08
d
yr
n .2018295367449809 1.6828e-09 deg/d
Q 2.9551901915514 1.6427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1455  
   data-arc span      21620 days (59.19 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48789  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:09:26  

Additional Information
 Earth MOID = 1.81922 au 
 Jupiter MOID = 2.07933 au 
 T_jup = 3.294 
[ 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 14.3   n/a MPO449241  
rotation period rot_per 2.96 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

39392 (4893 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4893 P-L = 1999 RP87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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