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14985 (1997 UU2)
Classification: Main-belt Asteroid          SPK-ID: 2014985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02430597544445742 3.1599e-08  
a 2.897833142553162 1.2553e-08 au
q 2.827398481348129 9.2933e-08 au
i 1.588617810016274 3.3143e-06 deg
node 313.2158121884406 0.0001275 deg
peri 88.62059278965413 0.00014591 deg
M 244.4751971145242 7.2139e-05 deg
tp 2459778.704177357661
(2022-Jul-18.20417736)
0.0003623 TDB
period 1801.807911804955
4.93
1.1708e-05
3.205e-08
d
yr
n .1997993224701579 1.2982e-09 deg/d
Q 2.968267803758194 1.2858e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2242  
   data-arc span      8767 days (24.00 yr)  
   first obs. used      1996-08-17  
   last obs. used      2020-08-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49306  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:44:12  

Additional Information
 Earth MOID = 1.83385 au 
 Jupiter MOID = 2.1207 au 
 T_jup = 3.287 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.59   n/a E2021B10  
diameter diameter 5.522 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.792 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.172   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14985 (1997 UU2)          Discovered 1997-Oct-25 by Urata, T. at Oohira
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 UU2 = 1999 AG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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