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80173 (1999 UQ12)
Classification: Main-belt Asteroid          SPK-ID: 2080173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12704274072035 4.677e-08  
a 2.253448670961082 8.0198e-09 au
q 1.967164375729556 1.0938e-07 au
i 6.327095302752229 4.1373e-06 deg
node 206.6209460716949 3.4627e-05 deg
peri 197.963838062793 3.8146e-05 deg
M 10.22995761542525 1.722e-05 deg
tp 2458965.389156285247
(2020-Apr-25.88915629)
5.9019e-05 TDB
period 1235.577332036251
3.38
6.596e-06
1.806e-08
d
yr
n .2913617712674563 1.5554e-09 deg/d
Q 2.539732966192608 9.0387e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1062  
   data-arc span      7395 days (20.25 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57214  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:46:06  

Additional Information
 Earth MOID = .976835 au 
 Jupiter MOID = 2.83264 au 
 T_jup = 3.607 
[ 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 15.6   n/a MPO432350  
rotation period rot_per 1.0 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

80173 (1999 UQ12)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 UQ12 = 2001 FO51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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