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27673 (1980 UN1)
Classification: Main-belt Asteroid          SPK-ID: 2027673
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2384716935761275 4.3477e-08  
a 2.612364721610625 8.8863e-09 au
q 1.98938968220961 1.1183e-07 au
i 2.49789957792715 3.8834e-06 deg
node 274.7591690864789 0.00010925 deg
peri 77.74995445102829 0.00010953 deg
M 159.864821952281 9.326e-06 deg
tp 2458315.643550825978
(2018-Jul-16.14355083)
3.8373e-05 TDB
period 1542.229983380845
4.22
7.8692e-06
2.154e-08
d
yr
n .2334282200964705 1.1911e-09 deg/d
Q 3.23533976101164 1.1005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      14328 days (39.23 yr)  
   first obs. used      1980-10-14  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:54:15  

Additional Information
 Earth MOID = .98585 au 
 Jupiter MOID = 2.21788 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456452.5 (2013-Jun-09.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2386367754663419 4.3462e-08  
q 1.98906760626065 1.1184e-07 au
tp 2456767.713833290191
(2014-Apr-20.21383329)
3.5323e-05 TDB
node 275.3115676630362 0.00010899 deg
peri 76.35222815367669 0.00010928 deg
i 2.501474751205382 3.8868e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      14328 days (39.23 yr)  
   first obs. used      1980-10-14  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:54:15  

Additional Information
 Jupiter MOID = 2.21788 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.888917486060375E-15 -4.852773690640319E-15 3.736977080878014E-13 -7.366004847706845E-15 6.792306469346745E-14 -8.904862542803329E-16
q -4.852773690640319E-15 1.250898500417679E-14 -9.073209506948832E-13 1.744565197696877E-14 -1.639402213532004E-13 2.424287107545632E-15
tp 3.736977080878014E-13 -9.073209506948832E-13 1.24767914923655E-9 -1.269574858006002E-11 3.083160028966742E-10 -2.067202239669114E-14
node -7.366004847706845E-15 1.744565197696877E-14 -1.269574858006002E-11 1.187929720854997E-8 -1.187019648593846E-8 -2.624264027325917E-12
peri 6.792306469346745E-14 -1.639402213532004E-13 3.083160028966742E-10 -1.187019648593846E-8 1.194140818823615E-8 2.592871938006452E-12
i -8.904862542803329E-16 2.424287107545632E-15 -2.067202239669114E-14 -2.624264027325917E-12 2.592871938006452E-12 1.510745954333164E-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 15.1   n/a MPO468055  

27673 (1980 UN1)          Discovered 1980-Oct-31 by Bus, S. J. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1980 UN1 = 1997 UY4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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