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JPL Small-Body Database Browser
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347728 (2001 XN260)
Classification: Main-belt Asteroid          SPK-ID: 2347728
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1909792127397512 1.763e-07  
a 2.317146040727357 1.9487e-08 au
q 1.874619314066215 4.1178e-07 au
i 6.028553565435176 7.2644e-06 deg
node 78.84180629166053 6.7941e-05 deg
peri 263.1682998076877 7.1199e-05 deg
M 142.0865575773475 2.1632e-05 deg
tp 2458492.013966911369
(2019-Jan-08.51396691)
7.719e-05 TDB
period 1288.334202989313
3.53
1.6252e-05
4.45e-08
d
yr
n .2794306005108725 3.5249e-09 deg/d
Q 2.759672767388499 2.3208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      6653 days (18.21 yr)  
   first obs. used      2001-10-17  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56455  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:29:19  

Additional Information
 Earth MOID = .878066 au 
 Jupiter MOID = 2.65349 au 
 T_jup = 3.548 
[ 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 17.4   n/a MPO360698  

347728 (2001 XN260)          Discovered 2001-Dec-10 by Spacewatch at Kitt Peak
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

[ 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
1981-Dec-24 10:01 00:01 Hebe 0.032662204947544 0.0326572362833839 0.0326671754615673 4.34583345754767 4.34583341375121 2444962.917166624 1.27302606208879 484.233202279806 90.3537037168344 -61.0013933727833 47524.798531382 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 23:29:21 2020-Feb-25 23:29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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