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79443 (1997 UL1)
Classification: Main-belt Asteroid          SPK-ID: 2079443
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1015312799426633 4.2964e-08  
a 2.751246600151651 1.6193e-08 au
q 2.471909011400353 1.2059e-07 au
i 9.419909271882762 6.8465e-06 deg
node 30.95926887006295 2.6485e-05 deg
peri 276.325471423756 4.2654e-05 deg
M 56.32391443315171 3.4755e-05 deg
tp 2458739.714743762960
(2019-Sep-13.21474376)
0.00016029 TDB
period 1666.835360968378
4.56
1.4716e-05
4.029e-08
d
yr
n .2159781394311503 1.9068e-09 deg/d
Q 3.030584188902949 1.7837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      804  
   data-arc span      7515 days (20.57 yr)  
   first obs. used      1997-10-11  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55228  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:47:16  

Additional Information
 Earth MOID = 1.4799 au 
 Jupiter MOID = 2.22034 au 
 T_jup = 3.319 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456480.5 (2013-Jul-07.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026990836717119 4.3369e-08  
q 2.468260886266905 1.2196e-07 au
tp 2457077.380458660669
(2015-Feb-23.88045866)
0.00015525 TDB
node 31.01332697363897 2.6446e-05 deg
peri 277.4571277042669 4.229e-05 deg
i 9.429208490832819 6.8526e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      804  
   data-arc span      7515 days (20.57 yr)  
   first obs. used      1997-10-11  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55228  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:47:16  

Additional Information
 Jupiter MOID = 2.22034 au 
 T_jup = 3.319 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.880884964482358E-15 -5.252291857273433E-15 3.065845394509989E-12 2.244413308850736E-15 6.4398883519736E-13 1.652014514660642E-15
q -5.252291857273433E-15 1.487467425499913E-14 -8.092839541562002E-12 -7.93738984928767E-15 -1.716203479632467E-12 -4.005761366780645E-15
tp 3.065845394509989E-12 -8.092839541562002E-12 2.410192484554019E-8 1.338555891355511E-11 5.135019916452625E-9 3.801794243234132E-12
node 2.244413308850736E-15 -7.93738984928767E-15 1.338555891355511E-11 6.993927617158559E-10 -6.867040590629054E-10 -6.064554064232367E-11
peri 6.4398883519736E-13 -1.716203479632467E-12 5.135019916452625E-9 -6.867040590629054E-10 1.788462057728168E-9 6.064238899610395E-11
i 1.652014514660642E-15 -4.005761366780645E-15 3.801794243234132E-12 -6.064554064232367E-11 6.064238899610395E-11 4.695872295453412E-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 14.7   n/a MPO436336  
diameter diameter 2.918 km 0.646 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.300   0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79443 (1997 UL1)          Discovered 1997-Oct-23 by Comba, P. G. at Prescott
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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