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JPL Small-Body Database Browser
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13075 (1991 UN1)
Classification: Main-belt Asteroid          SPK-ID: 2013075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1202576727763123 4.3704e-08  
a 2.372358335463638 1.0054e-08 au
q 2.087064043049295 1.0371e-07 au
i 5.756144595235916 4.057e-06 deg
node 312.7864318137128 4.1977e-05 deg
peri 84.31049085777983 4.5781e-05 deg
M 292.9147368881603 2.0987e-05 deg
tp 2459249.210136433126
(2021-Feb-03.71013643)
7.8648e-05 TDB
period 1334.654512223615
3.65
8.4844e-06
2.323e-08
d
yr
n .2697327261121817 1.7147e-09 deg/d
Q 2.65765262787798 1.1263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1644  
   data-arc span      11131 days (30.48 yr)  
   first obs. used      1989-01-10  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:01:19  

Additional Information
 Earth MOID = 1.10337 au 
 Jupiter MOID = 2.73457 au 
 T_jup = 3.527 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456506.5 (2013-Aug-02.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206450875226641 4.3872e-08  
q 2.085462065707592 1.0425e-07 au
tp 2456581.047293756326
(2013-Oct-15.54729376)
7.0745e-05 TDB
node 312.8755346854277 4.2044e-05 deg
peri 84.44918144736768 4.5788e-05 deg
i 5.752400114037439 4.0537e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1644  
   data-arc span      11131 days (30.48 yr)  
   first obs. used      1989-01-10  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:01:19  

Additional Information
 Jupiter MOID = 2.73457 au 
 T_jup = 3.527 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.924732963881398E-15 -4.557808846041272E-15 2.74467336420662E-13 -7.124507310638108E-15 4.454884250115971E-16 1.049221781275757E-15
q -4.557808846041272E-15 1.086763038805762E-14 -4.371432584607146E-13 1.605136854659577E-14 5.202605161660346E-14 -2.482260816430756E-15
tp 2.74467336420662E-13 -4.371432584607146E-13 5.004790306765771E-9 -1.673248124551231E-11 1.296468979787544E-9 -2.337374145545143E-12
node -7.124507310638108E-15 1.605136854659577E-14 -1.673248124551231E-11 1.767665757091858E-9 -1.762424487807662E-9 1.6569802861163E-11
peri 4.454884250115971E-16 5.202605161660346E-14 1.296468979787544E-9 -1.762424487807662E-9 2.09658094833164E-9 -1.713279040877651E-11
i 1.049221781275757E-15 -2.482260816430756E-15 -2.337374145545143E-12 1.6569802861163E-11 -1.713279040877651E-11 1.643271713176723E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO272702  

13075 (1991 UN1)          Discovered 1991-Oct-28 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 UN1 = 1989 AV7 = 1998 QR20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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