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39479 (1980 UQ1)
Classification: Main-belt Asteroid          SPK-ID: 2039479
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1516074861618273 3.8436e-08  
a 2.307439796385256 7.3658e-09 au
q 1.957614649385528 8.7039e-08 au
i 4.499316406675307 3.8456e-06 deg
node 263.1147322679369 4.7956e-05 deg
peri 133.1244863666345 4.9599e-05 deg
M 103.9857719823144 1.3387e-05 deg
tp 2458630.701270805055
(2019-May-27.20127081)
4.6979e-05 TDB
period 1280.247672083657
3.51
6.1302e-06
1.678e-08
d
yr
n .2811955903923533 1.3465e-09 deg/d
Q 2.657264943384983 8.4825e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      14438 days (39.53 yr)  
   first obs. used      1980-10-14  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:43:42  

Additional Information
 Earth MOID = .968162 au 
 Jupiter MOID = 2.75469 au 
 T_jup = 3.567 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456810.5 (2014-Jun-02.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513507902517211 3.8456e-08  
q 1.95823139265119 8.7092e-08 au
tp 2457348.186318400605
(2015-Nov-21.68631840)
4.5392e-05 TDB
node 263.235857122671 4.8038e-05 deg
peri 132.5578340361716 4.968e-05 deg
i 4.494608119766584 3.8428e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      14438 days (39.53 yr)  
   first obs. used      1980-10-14  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:43:42  

Additional Information
 Jupiter MOID = 2.75469 au 
 T_jup = 3.567 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.47887668693248E-15 -3.341335337441859E-15 -1.725182658549558E-14 -6.550127951790596E-15 -5.997253755126911E-14 -8.61684250650435E-16
q -3.341335337441859E-15 7.584985968173233E-15 1.06235131497709E-13 1.504404386304108E-14 1.500215299835996E-13 2.012538186036745E-15
tp -1.725182658549558E-14 1.06235131497709E-13 2.060453078457581E-9 1.33528878089408E-11 5.825049926891595E-10 -6.991876090975644E-13
node -6.550127951790596E-15 1.504404386304108E-14 1.33528878089408E-11 2.307683590137298E-9 -2.296256465331748E-9 -2.36580431863839E-12
peri -5.997253755126911E-14 1.500215299835996E-13 5.825049926891595E-10 -2.296256465331748E-9 2.468077315090896E-9 2.165940939616813E-12
i -8.61684250650435E-16 2.012538186036745E-15 -6.991876090975644E-13 -2.36580431863839E-12 2.165940939616813E-12 1.476710398995529E-11

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 15.4   n/a MPO351108  

39479 (1980 UQ1)          Discovered 1980-Oct-31 by Bus, S. J. at Palomar
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1980 UQ1 = 2001 QY135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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