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120517 (1993 UU8)
Classification: Main-belt Asteroid          SPK-ID: 2120517
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04406974628043458 4.6734e-08  
a 3.012865421591869 2.5445e-08 au
q 2.88008920688522 1.386e-07 au
i 10.87650190568709 4.7618e-06 deg
node 74.10998136277159 2.3791e-05 deg
peri 275.3581152323371 5.8033e-05 deg
M 110.8541309244707 5.3017e-05 deg
tp 2458612.310310712153
(2019-May-08.81031071)
0.00028203 TDB
period 1910.152435256538
5.23
2.4198e-05
6.625e-08
d
yr
n .1884666340525075 2.3875e-09 deg/d
Q 3.145641636298516 2.6566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      9981 days (27.33 yr)  
   first obs. used      1993-10-10  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:55  

Additional Information
 Earth MOID = 1.89911 au 
 Jupiter MOID = 2.06711 au 
 T_jup = 3.220 
[ 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 14.8   n/a MPO453676  
diameter diameter 3.957 km 1.474 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.163   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120517 (1993 UU8)          Discovered 1993-Oct-20 by Elst, E. W. at La Silla
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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-May-26 19:47 00:08 Thisb 0.0321530910894417 0.0321143239640587 0.032191873062622 4.84774186722856 4.84774182348516 2415166.324040405 8.31693104911542 2218.87801210339 70.476894820278 -29.4334779861591 33577.712103452 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 17:06:57 2021-Apr-13 17:06

Alternate Designations
 1993 UU8 = 2001 FY175 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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