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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457177.5 (2015-Jun-04.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995008219400002 3.7547e-08  
q 1.961920128090317 9.3801e-08 au
tp 2456914.484435868677
(2014-Sep-13.98443587)
4.4504e-05 TDB
node 129.4879210926428 8.2998e-05 deg
peri 152.7762087001253 8.3622e-05 deg
i 2.973134202490674 3.4992e-06 deg
  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
 Jupiter MOID = 2.21098 au 
 T_jup = 3.466 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.409771906779781E-15 -3.505977670390718E-15 -7.341123977010896E-13 -8.827243280375494E-15 -1.479920982591003E-13 -7.171007975329658E-16
q -3.505977670390718E-15 8.798611574599802E-15 1.938077636013212E-12 2.313341682426357E-14 3.947015924652742E-13 1.884112721767596E-15
tp -7.341123977010896E-13 1.938077636013212E-12 1.980576386857965E-9 1.064940960657707E-11 4.766192275137897E-10 1.048266197889874E-12
node -8.827243280375494E-15 2.313341682426357E-14 1.064940960657707E-11 6.888720530819316E-9 -6.876643768411723E-9 -4.299891558935656E-11
peri -1.479920982591003E-13 3.947015924652742E-13 4.766192275137897E-10 -6.876643768411723E-9 6.992573470629679E-9 4.319806809147777E-11
i -7.171007975329658E-16 1.884112721767596E-15 1.048266197889874E-12 -4.299891558935656E-11 4.319806809147777E-11 1.224467708641074E-11

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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