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JPL Small-Body Database Browser
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52611 (1997 UL3)
Classification: Main-belt Asteroid          SPK-ID: 2052611
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2037765308999495 5.5582e-08  
a 2.540458983762606 9.6564e-09 au
q 2.022773065157851 1.4346e-07 au
i 14.32454398288851 5.5926e-06 deg
node 39.00827138958364 1.7043e-05 deg
peri 319.9701142299367 1.9357e-05 deg
M 237.3470855219747 1.0429e-05 deg
tp 2459504.397356219082
(2021-Oct-16.89735622)
4.4224e-05 TDB
period 1478.995008075165
4.05
8.4326e-06
2.309e-08
d
yr
n .2434085294638832 1.3878e-09 deg/d
Q 3.058144902367361 1.1624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1468  
   data-arc span      7905 days (21.64 yr)  
   first obs. used      1997-09-29  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55144  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:06:50  

Additional Information
 Earth MOID = 1.0423 au 
 Jupiter MOID = 2.45144 au 
 T_jup = 3.374 
[ 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 14.4   n/a MPO381644  

52611 (1997 UL3)          Discovered 1997-Oct-26 by Kobayashi, T. at Oizumi
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ 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
1955-Sep-19 16:05 < 00:01 Hygie 0.047526588712544 0.0475255363877311 0.0475276414426947 5.97759755660548 5.97759742060542 2435370.169805711 0.408815305271173 344.851943409919 40.2227094842061 -84.359715819287 175773.938916392 T 30 CATAB v2.0e-lin.ifort 2019-Jul-13 03:06:56 2019-Jul-13 03:06

Alternate Designations
 1997 UL3 = 2000 JS63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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