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70708 (1999 UR43)
Classification: Main-belt Asteroid          SPK-ID: 2070708
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2891020736375697 3.5365e-08  
a 2.63950950076359 1.8801e-08 au
q 1.87642183070677 9.2834e-08 au
i 23.29074052176851 6.8504e-06 deg
node 235.8594357632891 1.1017e-05 deg
peri 253.7957469641645 1.7113e-05 deg
M 221.8853374893487 1.5577e-05 deg
tp 2459601.425394129672
(2022-Jan-21.92539413)
7.0716e-05 TDB
period 1566.330018509066
4.29
1.6736e-05
4.582e-08
d
yr
n .2298366217501668 2.4557e-09 deg/d
Q 3.40259717082041 2.4237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      8423 days (23.06 yr)  
   first obs. used      1997-07-07  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:29:13  

Additional Information
 Earth MOID = 1.01975 au 
 Jupiter MOID = 2.28676 au 
 T_jup = 3.224 
[ 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 14.5   n/a MPO385264  
diameter diameter 7.405 km 0.320 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70708 (1999 UR43)          Discovered 1999-Oct-28 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UR43 = 1997 NY4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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