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JPL Small-Body Database Browser
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65679 (1989 UQ)
Classification: Aten [NEO, PHA]          SPK-ID: 2065679
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456419.5 (2013-May-07.0) TDB
Reference: JPL 125 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2647316079764361 2.5976e-07  
a .9151005839936155 2.832e-09 au
q .6728445349328099 2.362e-07 au
i 1.299319042532019 5.7546e-06 deg
node 178.2454146714581 0.00010867 deg
peri 14.89537420756274 0.00011113 deg
M 167.2036952829648 4.5361e-05 deg
tp 2456270.993642445381
(2012-Dec-09.49364245)
4.0735e-05 TDB
period 319.7434639777949
0.88
1.4843e-06
4.064e-09
d
yr
n 1.125902608051437 5.2266e-09 deg/d
Q 1.157356633054421 3.5818e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -3.883294405241713E-14 1.042E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      23014 days (63.01 yr)  
   first obs. used      1954-11-20  
   last obs. used      2017-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45257  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-14 15:22:57  

Additional Information
 Earth MOID = .0139803 au 
 Jupiter MOID = 3.79415 au 
 T_jup = 6.495 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 19.5   n/a MPO436239  
diameter diameter 0.918 km 0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
rotation period rot_per 7.748 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.033   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

65679 (1989 UQ)          Discovered 1989-Oct-26 by Pollas, C. at Caussols
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 UQ = 1954 WZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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