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181557 (2006 UJ282)
Classification: Main-belt Asteroid          SPK-ID: 2181557
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183304119016723 5.0322e-08  
a 3.000827590627962 2.8454e-08 au
q 2.645738425783052 1.4998e-07 au
i 1.295578456942281 5.9902e-06 deg
node 161.8986208498181 0.00022287 deg
peri 308.3599031921452 0.00022412 deg
M 212.9294198983716 2.3561e-05 deg
tp 2459976.181257484174
(2023-Jan-31.68125748)
0.000127 TDB
period 1898.715926063113
5.20
2.7006e-05
7.394e-08
d
yr
n .1896018225045602 2.6968e-09 deg/d
Q 3.355916755472871 3.1821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      8656 days (23.70 yr)  
   first obs. used      1995-09-23  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6589  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:05  

Additional Information
 Earth MOID = 1.66254 au 
 Jupiter MOID = 1.74947 au 
 T_jup = 3.242 
[ 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 16.16   n/a MPCxxxxx  

181557 (2006 UJ282)          Discovered 2006-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ 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
1900-Nov-18 01:49 00:05 Jupiter 1.98624586792441 1.98624395171606 1.98624778413241 2.62048766249986 2.45235962124817 2415341.575587999 4.55253226724981 102.795325913094 33.1721058750393 61.4935858050555 1292333.72776543 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:06 2021-Apr-13 21:31
1937-Oct-22 04:33 00:03 Jupiter 1.77677666076888 1.77677606817766 1.7767772533604 2.05294006764308 1.80585871230521 2428828.689768410 3.15539847457759 99.9502094862079 14.4870945048539 -81.5009121594962 2024233.44912216 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:06 2021-Apr-13 21:31
1974-Oct-01 07:59 00:02 Jupiter 1.82062008924405 1.82061936120051 1.82062081728781 2.57669517082558 2.38932648593084 2442321.832816936 1.63802869428006 89.8688551933947 10.1021233367453 86.197416208073 1841321.89500048 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:06 2021-Apr-13 21:31
2020-Jul-21 20:41 < 00:01 Jupiter 1.80273436753382 1.80273387057931 1.80273486448803 2.09428408404256 1.8564259225864 2459052.361491045 0.361134946021802 55.0196581557968 10.1251109363989 -86.3132676059581 2094461.39562813 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:06 2021-Apr-13 21:31
2057-Jun-29 09:05 00:02 Jupiter 1.77818317728441 1.77818261765403 1.7781837369146 2.31624694661116 2.1005515561079 2472543.878321955 1.79960245171658 97.5324275901973 4.84694717423907 -86.3960159902811 1851402.97071081 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:06 2021-Apr-13 21:31
2094-Jun-02 02:02 00:03 Jupiter 1.99991000649954 1.99990861075441 1.99991140224752 3.61104003712351 3.49178314383978 2486030.584552879 3.15527969519889 153.177855942372 22.7334264995459 71.238257308123 2232478.43440874 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:06 2021-Apr-13 21:31
2103-Apr-21 21:52 00:04 Jupiter 1.85879573680788 1.85879433567273 1.85879713794208 2.24540332368361 2.03235556061145 2489275.411079120 3.64440606895477 61.1300619376869 23.2565053266979 -74.0041229676536 1182962.69250057 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:06 2021-Apr-13 21:31
2140-Mar-30 03:20 00:05 Jupiter 1.746976800638 1.74697623507916 1.74697736619773 2.12380083202353 1.88170907622367 2502767.638983957 5.19666603478982 236.253170643367 12.3007165863699 -82.3508281818979 1778495.33198232 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:06 2021-Apr-13 21:31
2177-Mar-06 10:07 00:07 Jupiter 1.92358254059016 1.92357998941741 1.92358509177844 3.19025702188807 3.04910937838451 2516257.921184456 6.55365630192262 317.279204118165 19.8749193822838 75.0759374208375 2031780.58519057 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:06 2021-Apr-13 21:31
2186-Jan-19 13:02 00:07 Jupiter 1.92186242287818 1.92185940611718 1.92186543963535 2.44729501441114 2.26004265415297 2519499.043367944 6.97777322458561 84.0910061027091 51.3244837315302 27.1458897687281 582600.964562914 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:06 2021-Apr-13 21:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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