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JPL Small-Body Database Browser
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469420 (2001 XP254)
Classification: TransNeptunian Object          SPK-ID: 2469420
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2141985312527414 5.1677e-05  
a 42.04509640573883 0.0033791 au
q 33.03909850924966 0.00049223 au
i 2.616250294222719 0.00013264 deg
node 304.9695179308208 0.00024416 deg
peri 181.6583065178842 0.0047712 deg
M 5.363491914566024 0.0027338 deg
tp 2457116.900817704414
(2015-Apr-04.40081770)
0.83185 TDB
period 99579.84725882192
272.63
12.005
0.03287
d
yr
n .003615189317014213 4.3583e-07 deg/d
Q 51.05109430222801 0.0041029 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      4844 days (13.26 yr)  
   first obs. used      2001-12-10  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .47714  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:42:47  

Additional Information
 Earth MOID = 32.0548 au 
 Jupiter MOID = 27.7326 au 
 T_jup = 5.671 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.4   n/a MPO382875  

469420 (2001 XP254)          Discovered 2001-Dec-10 by Jewitt, D. C., Sheppard, S. S., Kleyna, J. at Mauna Kea
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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