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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ show covariance matrix ]

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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