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70173 (1999 OB5)
Classification: Main-belt Asteroid          SPK-ID: 2070173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989343644228881 3.7703e-08  
a 2.451573186325681 1.1319e-08 au
q 1.963871032667787 9.4184e-08 au
i 2.973079003894216 3.4989e-06 deg
node 129.4490311246047 8.2994e-05 deg
peri 152.7057025357492 8.3617e-05 deg
M 227.2705870985363 1.3394e-05 deg
tp 2459717.428400711302
(2022-May-17.92840071)
5.4386e-05 TDB
period 1402.057164181251
3.84
9.7101e-06
2.658e-08
d
yr
n .2567655650547076 1.7783e-09 deg/d
Q 2.939275339983575 1.3571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      10879 days (29.79 yr)  
   first obs. used      1991-06-06  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:10:30  

Additional Information
 Earth MOID = .946085 au 
 Jupiter MOID = 2.21098 au 
 T_jup = 3.466 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.78   n/a MPCxxxxx  
diameter diameter 1.641 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.377   0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70173 (1999 OB5)          Discovered 1999-Jul-16 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 OB5 = 1991 LU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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