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13837 (1999 XF25)
Classification: Outer Main-belt Asteroid          SPK-ID: 2013837
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1003570505104234 4.0558e-08  
a 3.221298717340803 1.929e-08 au
q 2.89801867925547 1.272e-07 au
i 11.95953794878569 4.61e-06 deg
node 223.4302614775013 1.81e-05 deg
peri 208.1669969958206 2.7525e-05 deg
M 224.6758164984602 2.2437e-05 deg
tp 2459994.312331149270
(2023-Feb-18.81233115)
0.00013409 TDB
period 2111.761784326491
5.78
1.8968e-05
5.193e-08
d
yr
n .1704737734492225 1.5312e-09 deg/d
Q 3.544578755426136 2.1226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1628  
   data-arc span      13334 days (36.51 yr)  
   first obs. used      1984-03-07  
   last obs. used      2020-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:09:55  

Additional Information
 Earth MOID = 1.91713 au 
 Jupiter MOID = 1.82542 au 
 T_jup = 3.147 
[ 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 13.13   n/a E2021B10  
diameter diameter 6.794 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.17564 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.265   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13837 (1999 XF25)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 XF25 = 1984 EG2 = 1988 XE3 = 1991 LE6 = 1998 QY65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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