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146664 (2001 UK141)
Classification: Main-belt Asteroid          SPK-ID: 2146664
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101500195471993 4.4244e-08  
a 2.777468263883557 1.9449e-08 au
q 2.471530080325058 1.2299e-07 au
i 8.72038221825337 5.6297e-06 deg
node 201.8165023052956 2.7716e-05 deg
peri 287.9002689563859 3.669e-05 deg
M 285.3396182102066 2.4287e-05 deg
tp 2459351.138653947791
(2021-May-16.63865395)
0.00011519 TDB
period 1690.72153657887
4.63
1.7758e-05
4.862e-08
d
yr
n .2129268434874558 2.2365e-09 deg/d
Q 3.083406447442057 2.1591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2001-10-18  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58843  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:42  

Additional Information
 Earth MOID = 1.50261 au 
 Jupiter MOID = 2.01226 au 
 T_jup = 3.309 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457034.5 (2015-Jan-12.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082459961485217 4.467e-08  
q 2.478023589362391 1.2408e-07 au
tp 2457661.601029197483
(2016-Sep-30.10102920)
0.00011266 TDB
node 201.8415626665568 2.77e-05 deg
peri 288.2113803626054 3.6897e-05 deg
i 8.719461696821009 5.6328e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2001-10-18  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58843  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:42  

Additional Information
 Jupiter MOID = 2.01226 au 
 T_jup = 3.309 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.995448838238454E-15 -5.487585082452276E-15 1.953351349965867E-12 -1.110346186155611E-15 4.675854050063183E-13 2.11382603670775E-16
q -5.487585082452276E-15 1.539567441849257E-14 -5.106002496582933E-12 2.309550583021048E-15 -1.256559640192728E-12 -2.912850479013339E-16
tp 1.953351349965867E-12 -5.106002496582933E-12 1.269302051908469E-8 -2.547487055733514E-11 2.755435587011009E-9 4.381499771588361E-12
node -1.110346186155611E-15 2.309550583021048E-15 -2.547487055733514E-11 7.672752179437532E-10 -7.634230466580554E-10 -4.325791176630905E-11
peri 4.675854050063183E-13 -1.256559640192728E-12 2.755435587011009E-9 -7.634230466580554E-10 1.361367629348029E-9 4.364727021626351E-11
i 2.11382603670775E-16 -2.912850479013339E-16 4.381499771588361E-12 -4.325791176630905E-11 4.364727021626351E-11 3.172892847265968E-11

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 15.8   n/a MPO493835  

146664 (2001 UK141)          Discovered 2001-Oct-23 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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
2200-Mar-29 02:13 00:05 Jupiter 1.99887274429821 1.99887227583946 1.99887321275695 3.40542235206638 3.27862794556399 2524680.592036902 5.49132287601294 390.970486319832 19.0426355937976 -86.718570480348 2300683.24220971 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 08:38:48 2020-Feb-24 08:38
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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