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79770 (1998 UN9)
Classification: Main-belt Asteroid          SPK-ID: 2079770
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492185631956245 4.633e-08  
a 2.574073895467229 1.193e-08 au
q 2.189974287226244 1.1986e-07 au
i 3.012967155219114 4.2469e-06 deg
node 204.9711559345464 9.9722e-05 deg
peri 217.8146150580197 0.00010083 deg
M 43.49482013910244 1.4277e-05 deg
tp 2458818.251072681443
(2019-Nov-30.75107268)
5.9869e-05 TDB
period 1508.446606397081
4.13
1.0487e-05
2.871e-08
d
yr
n .2386561105134896 1.6592e-09 deg/d
Q 2.958173503708212 1.371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      9226 days (25.26 yr)  
   first obs. used      1994-10-28  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:46:29  

Additional Information
 Earth MOID = 1.20392 au 
 Jupiter MOID = 2.35273 au 
 T_jup = 3.410 
[ 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 16.4   n/a MPO453219  

79770 (1998 UN9)          Discovered 1998-Oct-16 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 UN9 = 1994 UG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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