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97856 (2000 QB18)
Classification: Main-belt Asteroid          SPK-ID: 2097856
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06457262594242018 3.4532e-08  
a 2.190727457533152 5.4649e-09 au
q 2.049266432876075 7.4698e-08 au
i 2.25774799556652 2.7755e-06 deg
node 137.882299525679 9.101e-05 deg
peri 106.9002376477325 9.3221e-05 deg
M 174.810724294408 2.0638e-05 deg
tp 2458625.395818087440
(2019-May-21.89581809)
6.7644e-05 TDB
period 1184.352426455477
3.24
4.4317e-06
1.213e-08
d
yr
n .3039635770219222 1.1374e-09 deg/d
Q 2.332188482190229 5.8178e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1509  
   data-arc span      8031 days (21.99 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5056  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:19:16  

Additional Information
 Earth MOID = 1.03561 au 
 Jupiter MOID = 2.65934 au 
 T_jup = 3.669 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457309.5 (2015-Oct-14.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06424698677763635 3.4575e-08  
q 2.050076230110276 7.4759e-08 au
tp 2457441.602648508233
(2016-Feb-23.10264851)
6.7652e-05 TDB
node 137.9081543972255 9.1052e-05 deg
peri 107.1029232690251 9.3281e-05 deg
i 2.2571237331941 2.7747e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1509  
   data-arc span      8031 days (21.99 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5056  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:19:16  

Additional Information
 Jupiter MOID = 2.65934 au 
 T_jup = 3.669 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.195401509210579E-15 -2.578949891982648E-15 -1.629772151043337E-14 -1.045351836734782E-14 5.877058297928776E-15 -2.100405864803236E-16
q -2.578949891982648E-15 5.588929442335132E-15 4.719824717635567E-14 2.288139859996517E-14 -1.067102868995982E-14 4.700647924990836E-16
tp -1.629772151043337E-14 4.719824717635567E-14 4.576753434426694E-9 9.663246343369453E-12 1.384476757740557E-9 -9.304993301539802E-14
node -1.045351836734782E-14 2.288139859996517E-14 9.663246343369453E-12 8.290446465156828E-9 -8.281044136044644E-9 -5.530001588831761E-11
peri 5.877058297928776E-15 -1.067102868995982E-14 1.384476757740557E-9 -8.281044136044644E-9 8.701262930762262E-9 5.522640673759947E-11
i -2.100405864803236E-16 4.700647924990836E-16 -9.304993301539802E-14 -5.530001588831761E-11 5.522640673759947E-11 7.698863957107792E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.69   n/a MPCxxxxx  
diameter diameter 1.821 km 0.582 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.306   0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97856 (2000 QB18)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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