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JPL Small-Body Database Browser
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52760 (1998 ML14)
Classification: Apollo [NEO, PHA]          SPK-ID: 2052760
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 141 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6235972179189667 3.7419e-09  
a 2.40808701358806 8.4032e-10 au
q .9064106514077528 8.7075e-09 au
i 2.428321827717199 3.8549e-06 deg
node 338.7260676001816 3.6804e-05 deg
peri 20.27838216323789 3.6191e-05 deg
M 285.4189029392375 8.2267e-07 deg
tp 2459283.269755894228
(2021-Mar-09.76975589)
3.2641e-06 TDB
period 1364.918406053834
3.74
7.1445e-07
1.956e-09
d
yr
n .2637520297208162 1.3806e-10 deg/d
Q 3.909763375768367 1.3643e-09 au
  Orbit Determination Parameters
   # obs. used (total)      627  
   # delay obs. used      11  
   # Doppler obs. used      7  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      1998-06-24  
   last obs. used      2018-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4197  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-14 06:21:19  

Additional Information
 Earth MOID = .0168112 au 
 Jupiter MOID = 1.55376 au 
 T_jup = 3.223 
[ 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 17.5   n/a MPO267880  
diameter diameter 1.0 km 0.05 Ostro et al, (2001) Meteoritics & Planetary Sci. 36:1225:1236  
rotation period rot_per 14.28 h n/a LCDB (Rev. 2019-August); 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:
[Hicks, M.; Weissman, P.; Rabinowitz, D.L.; Chamberlin, A.B.; Buratti, B.J.; Lee, C.O. (1998) Bull. Amer. Astron. Soc. 30, 1029.]
[Hicks, M.; Weissman, P. (1998) IAUC 6987.]
[Warner, B.D. (2014) Minor Planet Bull. 41, 113-124.]
[Sharkey, B.N.L.; Taylor, P.A.; Nolan, M.C.; Howell, E.S.; Benner, L.A.M. (2016) DPS 48/EPSC 11, 326.02.]

52760 (1998 ML14)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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