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18600 (1998 BK10)
Classification: Main-belt Asteroid          SPK-ID: 2018600
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2334406124120873 4.1026e-08  
a 2.553328027487009 1.3301e-08 au
q 1.957277569061495 1.0857e-07 au
i 6.891239420037606 4.4215e-06 deg
node 56.58316852220563 3.0914e-05 deg
peri 283.6152439172945 3.3622e-05 deg
M 23.53644816276609 1.6033e-05 deg
tp 2459299.069087560979
(2021-Mar-25.56908756)
6.6241e-05 TDB
period 1490.247306453633
4.08
1.1645e-05
3.188e-08
d
yr
n .2415706429671047 1.8876e-09 deg/d
Q 3.149378485912524 1.6406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1455  
   data-arc span      9632 days (26.37 yr)  
   first obs. used      1995-03-26  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:10:42  

Additional Information
 Earth MOID = .962239 au 
 Jupiter MOID = 2.29269 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457403.5 (2016-Jan-16.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2329950910430372 4.0944e-08  
q 1.958564929879659 1.0819e-07 au
tp 2457809.987008740584
(2017-Feb-25.48700874)
6.5964e-05 TDB
node 56.619292420969 3.0893e-05 deg
peri 283.8899217730025 3.3626e-05 deg
i 6.893242869480055 4.4225e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1455  
   data-arc span      9632 days (26.37 yr)  
   first obs. used      1995-03-26  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:10:42  

Additional Information
 Jupiter MOID = 2.29269 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.67643046001883E-15 -4.412380137417755E-15 -8.80164822476958E-13 7.053223819634057E-15 -1.162346586905139E-13 2.236048696487384E-15
q -4.412380137417755E-15 1.170605297786521E-14 2.218052231757908E-12 -1.992437908529483E-14 2.826444463878507E-13 -5.495930607107541E-15
tp -8.80164822476958E-13 2.218052231757908E-12 4.351195901424763E-9 -1.671039936599487E-11 8.855317144056728E-10 -3.738416660465554E-13
node 7.053223819634057E-15 -1.992437908529483E-14 -1.671039936599487E-11 9.543523916321413E-10 -9.499623310332343E-10 -6.276519601350453E-12
peri -1.162346586905139E-13 2.826444463878507E-13 8.855317144056728E-10 -9.499623310332343E-10 1.13068459024997E-9 6.271247938270877E-12
i 2.236048696487384E-15 -5.495930607107541E-15 -3.738416660465554E-13 -6.276519601350453E-12 6.271247938270877E-12 1.955872334694241E-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 14.08   n/a MPO636344  
diameter diameter 4.195 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.303   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18600 (1998 BK10)          Discovered 1998-Jan-24 by Zoltowski, F. B. at Woomera
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BK10 = 1995 FS9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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