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70683 (1999 UT8)
Classification: Main-belt Asteroid          SPK-ID: 2070683
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172585265328545 4.5644e-08  
a 2.682839610088397 1.5466e-08 au
q 2.099969829476614 1.2331e-07 au
i 23.53114910688308 5.2043e-06 deg
node 228.5575223600785 1.2983e-05 deg
peri 279.8028087024259 1.7972e-05 deg
M 212.0841108021104 1.6551e-05 deg
tp 2459859.981807153886
(2022-Oct-07.48180715)
7.7181e-05 TDB
period 1605.057116330314
4.39
1.388e-05
3.8e-08
d
yr
n .2242910836862167 1.9395e-09 deg/d
Q 3.26570939070018 1.8827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      7733 days (21.17 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47964  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:51:09  

Additional Information
 Earth MOID = 1.23887 au 
 Jupiter MOID = 2.1627 au 
 T_jup = 3.225 
[ show covariance matrix ]

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 14.09   n/a E2021B10  
diameter diameter 4.490 km 0.591 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.220   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

70683 (1999 UT8)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UT8 = 2001 HQ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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