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442438 (2011 UC158)
Classification: Outer Main-belt Asteroid          SPK-ID: 2442438
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05577093667323357 1.777e-07  
a 3.234380194998233 8.8812e-08 au
q 3.053995781965826 6.0103e-07 au
i 31.48309392207634 1.8949e-05 deg
node 239.5032182095708 1.9103e-05 deg
peri 79.81121655879858 0.00022984 deg
M 267.2004742986825 0.00022337 deg
tp 2459548.181771058496
(2021-Nov-29.68177106)
0.0013264 TDB
period 2124.638419119201
5.82
8.751e-05
2.396e-07
d
yr
n .1694405959905607 6.9789e-09 deg/d
Q 3.41476460803064 9.3765e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      4425 days (12.11 yr)  
   first obs. used      2005-11-25  
   last obs. used      2018-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58459  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:24:06  

Additional Information
 Earth MOID = 2.14495 au 
 Jupiter MOID = 1.76903 au 
 T_jup = 2.951 
[ 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 15.7   n/a MPO434643  

442438 (2011 UC158)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ 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
1929-Dec-18 02:50 00:11 Jupiter 1.8868221779733 1.88681234621902 1.88683201053787 8.85372127879016 8.80287173372678 2425963.618122586 10.6056969071308 2143.47384162978 170.630916279101 77.5752413587363 1061868.69302088 T 7 CATAB v2.0e-lin.ifort 2019-Jul-14 14:24:08 2019-Jul-14 14:24
1941-Aug-21 01:26 00:08 Jupiter 1.81578618013029 1.81578094008778 1.81579142068765 8.87000021761861 8.81725296405123 2430227.559400350 8.17308861526743 1858.48687841572 144.647792372478 83.2669187681215 1095117.61498961 T 7 CATAB v2.0e-lin.ifort 2019-Jul-14 14:24:08 2019-Jul-14 14:24
1953-Apr-28 10:44 00:06 Jupiter 1.78456656557848 1.78456386737336 1.78456926386222 8.87515112352382 8.82150962853434 2434495.947498224 6.22539307445559 1566.35034251404 123.590476792847 88.1250291443815 1128532.77663197 T 7 CATAB v2.0e-lin.ifort 2019-Jul-14 14:24:08 2019-Jul-14 14:24
1965-Jan-03 04:14 00:05 Jupiter 1.79039194452063 1.79038951779229 1.79039437132702 8.87221117335812 8.81872691563366 2438763.676530625 4.6987271759463 1292.17700132993 106.383033510667 -87.5206806625665 1160283.47470901 T 7 CATAB v2.0e-lin.ifort 2019-Jul-14 14:24:08 2019-Jul-14 14:24
1976-Sep-04 13:59 00:03 Jupiter 1.83531108234522 1.83530812406666 1.83531404075376 8.85843198353889 8.80617898876176 2443026.082502515 3.48975502303605 1024.06509075521 94.2030823140718 -83.662740560859 1187865.13906102 T 7 CATAB v2.0e-lin.ifort 2019-Jul-14 14:24:08 2019-Jul-14 14:24
1988-Apr-26 02:29 00:02 Jupiter 1.93439966493174 1.93439658395569 1.93440274597717 8.82196116747027 8.77218625376028 2447277.603459876 2.47674422828134 728.879055415782 88.0420278266116 -80.0467463618553 1214400.79570213 T 7 CATAB v2.0e-lin.ifort 2019-Jul-14 14:24:08 2019-Jul-14 14:24

Alternate Designations
 2011 UC158 = 2010 XV45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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