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100722 (1998 BB30)
Classification: Main-belt Asteroid          SPK-ID: 2100722
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000763402497663 4.2415e-08  
a 2.180623073565891 8.463e-09 au
q 1.96239429689922 9.589e-08 au
i 3.002992777656258 3.9667e-06 deg
node 129.269315013539 8.6515e-05 deg
peri 16.74926466950083 8.99e-05 deg
M 25.62814509893359 2.5712e-05 deg
tp 2459116.769438240226
(2020-Sep-24.26943824)
8.3798e-05 TDB
period 1176.167924645194
3.22
6.8471e-06
1.875e-08
d
yr
n .3060787430575432 1.7818e-09 deg/d
Q 2.398851850232563 9.31e-09 au
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      10495 days (28.73 yr)  
   first obs. used      1992-04-30  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54373  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-23 21:22:18  

Additional Information
 Earth MOID = .974383 au 
 Jupiter MOID = 2.5949 au 
 T_jup = 3.673 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456759.5 (2014-Apr-12.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0999641291006166 4.2438e-08  
q 1.962805498720319 9.595e-08 au
tp 2456764.577544501287
(2014-Apr-17.07754450)
7.9254e-05 TDB
node 129.3024076623913 8.6533e-05 deg
peri 16.81998823455953 8.9923e-05 deg
i 3.002457061989712 3.9662e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      10495 days (28.73 yr)  
   first obs. used      1992-04-30  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54373  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-23 21:22:18  

Additional Information
 Jupiter MOID = 2.5949 au 
 T_jup = 3.673 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.801007832322443E-15 -4.061376193153495E-15 -3.657787806153604E-13 -4.943769868968494E-15 -2.743454975907895E-14 -1.458481451241339E-16
q -4.061376193153495E-15 9.206495923452315E-15 9.617853121530492E-13 1.083130217584994E-14 1.03585985495175E-13 4.961668488458729E-16
tp -3.657787806153604E-13 9.617853121530492E-13 6.281219741434186E-9 -3.62824342982719E-12 1.951206920362856E-9 3.877569462836002E-12
node -4.943769868968494E-15 1.083130217584994E-14 -3.62824342982719E-12 7.488005470049508E-9 -7.478564634835948E-9 -4.273821450105616E-11
peri -2.743454975907895E-14 1.03585985495175E-13 1.951206920362856E-9 -7.478564634835948E-9 8.086084744516115E-9 4.388093907494516E-11
i -1.458481451241339E-16 4.961668488458729E-16 3.877569462836002E-12 -4.273821450105616E-11 4.388093907494516E-11 1.573044015280216E-11

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 16.07   n/a E2021B55  

100722 (1998 BB30)          Discovered 1998-Jan-29 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 BB30 = 2000 YX73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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