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201154 (2002 KX4)
Classification: Main-belt Asteroid          SPK-ID: 2201154
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1534984393549701 4.413e-08  
a 2.582834290554476 1.6527e-08 au
q 2.186373257841863 1.1513e-07 au
i 8.278543666986961 4.1472e-06 deg
node 85.97598501562523 3.2888e-05 deg
peri 118.4196450341892 3.6121e-05 deg
M 202.90426650029 1.8285e-05 deg
tp 2459862.114678545959
(2022-Oct-09.61467855)
8.1166e-05 TDB
period 1516.153742501128
4.15
1.4552e-05
3.984e-08
d
yr
n .2374429386073505 2.279e-09 deg/d
Q 2.97929532326709 1.9064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      8801 days (24.10 yr)  
   first obs. used      1996-12-08  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:24:21  

Additional Information
 Earth MOID = 1.19503 au 
 Jupiter MOID = 2.01964 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 15.9   n/a MPO494129  
diameter diameter 1.675 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.251   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201154 (2002 KX4)          Discovered 2002-May-16 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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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
2027-Jul-10 16:21 < 00:01 Thisb 0.0157299056395776 0.015725308623478 0.0157345089737355 6.60187255980251 6.60187249414544 2461597.181220819 0.48142393001558 563.290981424074 59.2620701195345 -66.7018053761903 36497.9777539905 T 22 CATAB v2.0f-lin.ifort 2021-Feb-24 12:24:22 2021-Feb-24 12:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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