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JPL Small-Body Database Browser
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97881 (2000 QR45)
Classification: Main-belt Asteroid          SPK-ID: 2097881
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215413045256845 5.4736e-08  
a 2.338081776710557 1.08e-08 au
q 2.053908267481425 1.2931e-07 au
i 1.064623342301188 5.921e-06 deg
node 189.1777831684139 0.00023585 deg
peri 172.2089397544083 0.00023653 deg
M 167.9039400572738 1.7703e-05 deg
tp 2458391.459239577172
(2018-Sep-29.95923958)
6.3809e-05 TDB
period 1305.834000544765
3.58
9.0481e-06
2.477e-08
d
yr
n .2756858833893251 1.9102e-09 deg/d
Q 2.622255285939688 1.2113e-08 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      9635 days (26.38 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:25:20  

Additional Information
 Earth MOID = 1.05082 au 
 Jupiter MOID = 2.81672 au 
 T_jup = 3.556 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217073732591183 5.4834e-08  
q 2.053813790636795 1.2959e-07 au
tp 2457082.820163706933
(2015-Mar-01.32016371)
6.3577e-05 TDB
node 189.2052585694425 0.00023641 deg
peri 171.6117185192648 0.00023708 deg
i 1.062024369566714 5.9216e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      9635 days (26.38 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:25:20  

Additional Information
 Jupiter MOID = 2.81672 au 
 T_jup = 3.556 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.006811272278645E-15 -7.087546666410171E-15 7.340513736048543E-14 -1.407709807855954E-14 9.612790408768544E-15 1.060938861578718E-16
q -7.087546666410171E-15 1.679463553304838E-14 -2.102417481846431E-13 3.29210873542473E-14 -3.72387073534505E-14 -2.097958991403845E-16
tp 7.340513736048543E-14 -2.102417481846431E-13 4.04209674063642E-9 -7.567414830318951E-13 1.149384642686193E-9 -4.083896646686786E-13
node -1.407709807855954E-14 3.29210873542473E-14 -7.567414830318951E-13 5.588747614205819E-8 -5.58773020560241E-8 -1.180786739630611E-10
peri 9.612790408768544E-15 -3.72387073534505E-14 1.149384642686193E-9 -5.58773020560241E-8 5.620695648473845E-8 1.179468845496235E-10
i 1.060938861578718E-16 -2.097958991403845E-16 -4.083896646686786E-13 -1.180786739630611E-10 1.179468845496235E-10 3.506590154261104E-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 16.3   n/a MPO371778  

97881 (2000 QR45)          Discovered 2000-Aug-24 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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