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JPL Small-Body Database Browser
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48262 (2001 XL87)
Classification: Main-belt Asteroid          SPK-ID: 2048262
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307165321119901 3.7314e-08  
a 2.726712021598785 1.7509e-08 au
q 2.370285682067319 1.0291e-07 au
i 13.08549710351736 6.3413e-06 deg
node 321.6927509194427 1.6892e-05 deg
peri 261.7501615565608 2.9022e-05 deg
M 297.1921385953998 2.438e-05 deg
tp 2459287.425298039146
(2021-Mar-13.92529804)
0.00011192 TDB
period 1644.588829871017
4.50
1.5841e-05
4.337e-08
d
yr
n .218899699098792 2.1085e-09 deg/d
Q 3.083138361130252 1.9798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:03:16  

Additional Information
 Earth MOID = 1.40578 au 
 Jupiter MOID = 2.08327 au 
 T_jup = 3.306 
[ 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 14.7   n/a MPO432040  
rotation period rot_per 6.638 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

48262 (2001 XL87)          Discovered 2001-Dec-13 by LINEAR at Socorro
Reference: 20020921/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
2038-May-11 06:14 < 00:01 Hebe 0.0485981361361219 0.0485929118695123 0.0486033613852117 10.5109232919006 10.5109232797304 2465554.759707443 0.849805013942376 440.049733485925 61.7595564535099 54.4870938508458 96289.3583088584 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 09:03:18 2020-Feb-23 09:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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