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376897 (2001 XJ155)
Classification: Main-belt Asteroid          SPK-ID: 2376897
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724615558117402 2.273e-07  
a 2.558561087855329 5.1891e-08 au
q 2.11730766200442 6.1947e-07 au
i 10.44875169083525 1.3328e-05 deg
node 254.9462308297199 5.9341e-05 deg
peri 193.4863628893567 0.00018035 deg
M 232.8770545803477 0.00016873 deg
tp 2459728.353686316469
(2022-May-28.85368632)
0.00071586 TDB
period 1494.831058599369
4.09
4.5476e-05
1.245e-07
d
yr
n .2408298903939779 7.3265e-09 deg/d
Q 2.999814513706237 6.084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      6347 days (17.38 yr)  
   first obs. used      2001-12-14  
   last obs. used      2019-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50445  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:33:34  

Additional Information
 Earth MOID = 1.13465 au 
 Jupiter MOID = 2.23931 au 
 T_jup = 3.392 
[ 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 17.3   n/a MPO427872  
diameter diameter 1.867 km 0.693 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

376897 (2001 XJ155)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

[ 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
1959-Jan-22 21:27 00:11 Psych 0.0110946403768571 0.0110145156179888 0.0111749018795067 4.06207657102349 4.06207630255591 2436591.393429908 11.4626336669624 4449.83174002713 541.84897306434 -26.3267925244137 1397.54487964602 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 10:33:35 2021-Apr-14 10:33

Alternate Designations
 2001 XJ155 = 2005 WA55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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