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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ 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

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