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97985 (2000 QR173)
Classification: Main-belt Asteroid          SPK-ID: 2097985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05422167095748014 4.3123e-08  
a 2.238287493081824 1.0704e-08 au
q 2.116923805123698 9.5635e-08 au
i 6.292485798488011 5.6824e-06 deg
node 209.7533968398888 3.7664e-05 deg
peri 231.2311521438481 6.6698e-05 deg
M 222.7808728761494 5.4249e-05 deg
tp 2459466.713001231168
(2021-Sep-09.21300123)
0.00018508 TDB
period 1223.128903099166
3.35
8.7739e-06
2.402e-08
d
yr
n .2943271139189265 2.1113e-09 deg/d
Q 2.359651181039949 1.1284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1999-06-06  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:33:47  

Additional Information
 Earth MOID = 1.13799 au 
 Jupiter MOID = 2.75465 au 
 T_jup = 3.627 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457061.5 (2015-Feb-08.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05452175776521439 4.3192e-08  
q 2.115522984871942 9.5897e-08 au
tp 2457021.653235207236
(2014-Dec-30.15323521)
0.00018004 TDB
node 209.8389959842604 3.7664e-05 deg
peri 231.2926539692704 6.6369e-05 deg
i 6.292693033655183 5.683e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1999-06-06  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:33:47  

Additional Information
 Jupiter MOID = 2.75465 au 
 T_jup = 3.627 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.865590075191956E-15 -4.119841421514079E-15 -2.472237945900696E-12 1.241258405640822E-14 -8.065993323540173E-13 -3.536858216908488E-15
q -4.119841421514079E-15 9.196237266110842E-15 5.801220245558123E-12 -2.812711177724252E-14 1.882808146695219E-12 7.807044087714347E-15
tp -2.472237945900696E-12 5.801220245558123E-12 3.241449686657743E-8 -2.293153972074776E-11 9.846878213453798E-9 -5.297446822976727E-12
node 1.241258405640822E-14 -2.812711177724252E-14 -2.293153972074776E-11 1.418581120966667E-9 -1.416574145997502E-9 -2.441944069446237E-11
peri -8.065993323540173E-13 1.882808146695219E-12 9.846878213453798E-9 -1.416574145997502E-9 4.404894687259824E-9 2.272275529891048E-11
i -3.536858216908488E-15 7.807044087714347E-15 -5.297446822976727E-12 -2.441944069446237E-11 2.272275529891048E-11 3.229670678164119E-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 16.1   n/a MPO436452  

97985 (2000 QR173)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

Alternate Designations
 2000 QR173 = 2002 AB90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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