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135486 (2001 XP2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2135486
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111635645857668 2.7975e-08  
a 1.958685625924935 5.5831e-09 au
q 1.740026491042674 5.4856e-08 au
i 17.63851938595883 3.5305e-06 deg
node 315.2694622266966 9.3565e-06 deg
peri 76.8847334833286 2.4258e-05 deg
M 20.54652167762193 1.9143e-05 deg
tp 2459143.354591564031
(2020-Oct-20.85459156)
5.3335e-05 TDB
period 1001.256921231348
2.74
4.281e-06
1.172e-08
d
yr
n .3595480763890962 1.5373e-09 deg/d
Q 2.177344760807196 6.2064e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1377  
   data-arc span      8196 days (22.44 yr)  
   first obs. used      1998-09-24  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41849  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:16  

Additional Information
 Earth MOID = .812431 au 
 Jupiter MOID = 3.1696 au 
 T_jup = 3.819 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.04   n/a MPCxxxxx  
diameter diameter 1.108 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 69. 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:
[Warner, B.D. (2013) Minor Planet Bull. 40, 137-145.]
geometric albedo albedo 0.755   0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135486 (2001 XP2)          Discovered 2001-Dec-08 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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