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JPL Small-Body Database Browser
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146628 (2001 UJ12)
Classification: Main-belt Asteroid          SPK-ID: 2146628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07249853137867282 4.3516e-08  
a 2.625134616030256 1.5187e-08 au
q 2.434816211696746 1.1532e-07 au
i 2.133889834088129 4.0641e-06 deg
node 296.6651730494061 0.00013665 deg
peri 117.4246917960006 0.00014019 deg
M 24.47761311053973 3.067e-05 deg
tp 2458494.868764277025
(2019-Jan-11.36876428)
0.00013232 TDB
period 1553.552002335427
4.25
1.3481e-05
3.691e-08
d
yr
n .231727035502396 2.0108e-09 deg/d
Q 2.815453020363766 1.6288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:02:04  

Additional Information
 Earth MOID = 1.44649 au 
 Jupiter MOID = 2.42267 au 
 T_jup = 3.398 
[ 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 15.8   n/a MPO412893  

146628 (2001 UJ12)          Discovered 2001-Oct-24 by Yeung, W. K. Y. at Desert Eagle
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
2015-Aug-27 03:25 < 00:01 Hebe 0.0411144388363227 0.0411116199324242 0.0411172578143155 5.68808837585543 5.68808834927287 2457261.642529376 0.455071736263513 166.836161889014 35.5347744855031 -33.4826173921285 100284.646183841 T 17 CATAB v2.0e-lin.ifort 2019-Jul-13 08:02:08 2019-Jul-13 08:02
2037-Apr-02 15:25 < 00:01 Juno 0.0464113643932785 0.046401624921487 0.0464211039520882 5.84449439906438 5.84449435421311 2465151.142076287 0.408120070932641 495.771734957371 39.2617888118473 11.7409420700525 38488.0572238463 T 17 CATAB v2.0e-lin.ifort 2019-Jul-13 08:02:08 2019-Jul-13 08:02
2179-Jan-26 02:10 00:27 Hygie 0.0456277624962645 0.0455812620668795 0.0456742684480532 2.44312081744046 2.44312047084064 2516948.590206292 27.2573210931204 2443.20945098748 55.2212199154447 18.9673101369342 40069.2541028118 T 17 CATAB v2.0e-lin.ifort 2019-Jul-13 08:02:08 2019-Jul-13 08:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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