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215327 (2001 UW38)
Classification: Main-belt Asteroid          SPK-ID: 2215327
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323130985621636 4.7557e-08  
a 2.743132374999952 1.7808e-08 au
q 2.380180030697521 1.3156e-07 au
i 13.4408184297651 6.1681e-06 deg
node 199.491620538416 1.7762e-05 deg
peri 128.7621349866658 2.7568e-05 deg
M 80.97165864225252 1.9605e-05 deg
tp 2458627.250606789967
(2019-May-23.75060679)
9.0509e-05 TDB
period 1659.46682837858
4.54
1.616e-05
4.424e-08
d
yr
n .2169371474280967 2.1125e-09 deg/d
Q 3.106084719302382 2.0165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      21616 days (59.18 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48257  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:10:47  

Additional Information
 Earth MOID = 1.39592 au 
 Jupiter MOID = 2.37088 au 
 T_jup = 3.297 
[ 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 MPO494186  
diameter diameter 4.219 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215327 (2001 UW38)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ 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
1938-Jan-17 22:12 < 00:01 Amphi 0.0494604288244965 0.0494552261614765 0.0494656327130302 7.04641371799509 7.04641370150029 2428916.424956738 0.806039655193232 483.699944627451 80.3607111128402 58.8599203248906 79188.8961778598 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 15:10:50 2019-Dec-14 15:11
2049-May-18 14:38 00:01 Thisb 0.0234023042086247 0.0233971242457521 0.0234074841716686 3.77801903146459 3.77801895434726 2469580.109386019 1.42217694130143 258.161530600925 81.4967887701545 -0.7310628101283 13562.1887091107 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 15:10:50 2019-Dec-14 15:11
2060-Jul-20 12:00 < 00:01 Thisb 0.0263501944179218 0.0263419216326575 0.0263584672040346 4.8174887484482 4.81748869473633 2473661.000189284 0.943245020982826 412.449687431452 74.0740379536088 -1.09265668411805 9605.39927805137 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 15:10:50 2019-Dec-14 15:11
2100-Jul-05 07:59 00:03 Hebe 0.0400457945766494 0.0400335569647276 0.0400580322176733 4.8395349176936 4.83953488561636 2488254.832510856 2.93487906345365 612.360162548731 62.0936419516296 5.08692055108545 12960.192203228 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 15:10:50 2019-Dec-14 15:11

Alternate Designations
 2001 UW38 = 1960 SZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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