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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201135767602603 3.671e-08  
a 2.371611237449085 7.7104e-09 au
q 2.086748529034248 9.0343e-08 au
i 5.756477803374891 3.6829e-06 deg
node 312.7874819804935 3.5419e-05 deg
peri 84.43946366409129 3.893e-05 deg
M 346.7524605165122 1.5743e-05 deg
tp 2459249.590380454869
(2021-Feb-04.09038045)
5.8384e-05 TDB
period 1334.024102044033
3.65
6.5056e-06
1.781e-08
d
yr
n .2698601917674477 1.316e-09 deg/d
Q 2.656473945863921 8.6366e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2214  
   data-arc span      11744 days (32.15 yr)  
   first obs. used      1989-01-10  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:44:56  

Additional Information
 Earth MOID = 1.10202 au 
 Jupiter MOID = 2.73502 au 
 T_jup = 3.528 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.44   n/a E2021B10  
rotation period rot_per 36.5703 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

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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