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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2175106887292903 4.5671e-08  
a 2.682400602480478 1.5379e-08 au
q 2.098949799987086 1.2338e-07 au
i 23.53437677927915 5.2047e-06 deg
node 228.5492666787293 1.2983e-05 deg
peri 279.8217571623584 1.7958e-05 deg
M 256.0576954171065 1.6751e-05 deg
tp 2459859.812187687128
(2022-Oct-07.31218769)
7.7079e-05 TDB
period 1604.663166135112
4.39
1.38e-05
3.778e-08
d
yr
n .2243461479003551 1.9294e-09 deg/d
Q 3.26585140497387 1.8724e-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 = 1.23882 au 
 Jupiter MOID = 2.16182 au 
 T_jup = 3.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457186.5 (2015-Jun-13.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2155585864999952 4.5585e-08  
q 2.105736389166411 1.2294e-07 au
tp 2456646.342523162335
(2013-Dec-19.84252316)
6.4497e-05 TDB
node 228.6804756151417 1.2962e-05 deg
peri 279.5515267057538 1.807e-05 deg
i 23.54840184733365 5.2062e-06 deg
  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
 Jupiter MOID = 2.16182 au 
 T_jup = 3.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.077963181761985E-15 -5.576888132978445E-15 3.918753495063655E-13 2.475204581096471E-15 7.707690348017064E-14 4.405544724980762E-15
q -5.576888132978445E-15 1.511357143957743E-14 -7.999432130222516E-13 -5.65441178432045E-15 -1.517812857602436E-13 -1.113956445822656E-14
tp 3.918753495063655E-13 -7.999432130222516E-13 4.159900636835869E-9 7.327996065360633E-12 8.477446594491169E-10 2.539811987801332E-12
node 2.475204581096471E-15 -5.65441178432045E-15 7.327996065360633E-12 1.680070978431502E-10 -1.518717367114984E-10 -8.644225226320283E-12
peri 7.707690348017064E-14 -1.517812857602436E-13 8.477446594491169E-10 -1.518717367114984E-10 3.26534953961069E-10 8.433816725856538E-12
i 4.405544724980762E-15 -1.113956445822656E-14 2.539811987801332E-12 -8.644225226320283E-12 8.433816725856538E-12 2.710467262535294E-11

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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