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JPL Small-Body Database Browser
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97991 (2000 QS186)
Classification: Main-belt Asteroid          SPK-ID: 2097991
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2339116202616381 4.0329e-08  
a 2.33817340149613 8.8491e-09 au
q 1.791247472699504 9.568e-08 au
i 3.254191789896518 3.5193e-06 deg
node 101.9632638146001 8.0926e-05 deg
peri 297.2521652474011 8.1377e-05 deg
M 144.9842474427438 9.4605e-06 deg
tp 2458474.565308636263
(2018-Dec-22.06530864)
3.2973e-05 TDB
period 1305.910760861913
3.58
7.4135e-06
2.03e-08
d
yr
n .2756696788089844 1.5649e-09 deg/d
Q 2.885099330292755 1.0919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1998-01-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52287  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:34:10  

Additional Information
 Earth MOID = .802023 au 
 Jupiter MOID = 2.53674 au 
 T_jup = 3.527 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457293.5 (2015-Sep-28.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2323246438247849 4.0246e-08  
q 1.795650933901028 9.5374e-08 au
tp 2457166.604102352423
(2015-May-24.10410235)
3.122e-05 TDB
node 102.0543402863254 8.0924e-05 deg
peri 296.9617521544198 8.1388e-05 deg
i 3.253637251520274 3.519e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1998-01-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52287  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:34:10  

Additional Information
 Jupiter MOID = 2.53674 au 
 T_jup = 3.527 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.619733937207022E-15 -3.828956445748744E-15 -4.628996395965727E-13 -5.29371616306303E-15 -1.850564337840688E-13 -6.157053489385351E-16
q -3.828956445748744E-15 9.096161021774248E-15 1.124851556467493E-12 1.405756360121465E-14 4.441108449600018E-13 1.53493664992612E-15
tp -4.628996395965727E-13 1.124851556467493E-12 9.746647613278585E-10 8.737417057822759E-12 2.916534982129535E-10 2.621434147173915E-13
node -5.29371616306303E-15 1.405756360121465E-14 8.737417057822759E-12 6.548682128000204E-9 -6.535183814812619E-9 4.105038032260749E-11
peri -1.850564337840688E-13 4.441108449600018E-13 2.916534982129535E-10 -6.535183814812619E-9 6.62401678350796E-9 -4.090519996680363E-11
i -6.157053489385351E-16 1.53493664992612E-15 2.621434147173915E-13 4.105038032260749E-11 -4.090519996680363E-11 1.238341109092992E-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 MPO459458  

97991 (2000 QS186)          Discovered 2000-Aug-26 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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