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146874 (2002 BB)
Classification: Main-belt Asteroid          SPK-ID: 2146874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06551969151187351 4.5522e-08  
a 3.056328666743175 2.8542e-08 au
q 2.856078955339266 1.3888e-07 au
i 7.169146076965323 5.1197e-06 deg
node 296.4083503066153 4.0224e-05 deg
peri 272.2624136950698 5.7189e-05 deg
M 72.87435576086419 3.9223e-05 deg
tp 2458605.433016028009
(2019-May-01.93301603)
0.00021355 TDB
period 1951.634601019629
5.34
2.7338e-05
7.485e-08
d
yr
n .1844607591051719 2.5839e-09 deg/d
Q 3.256578378147083 3.0412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      6353 days (17.39 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59463  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:22:31  

Additional Information
 Earth MOID = 1.86267 au 
 Jupiter MOID = 1.80131 au 
 T_jup = 3.220 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457090.5 (2015-Mar-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06314523338198604 4.5644e-08  
q 2.860230861627377 1.382e-07 au
tp 2456650.802350101643
(2013-Dec-24.30235010)
0.00022714 TDB
node 296.4718119001272 4.0293e-05 deg
peri 271.0014236189267 5.8327e-05 deg
i 7.164305132471124 5.1161e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      6353 days (17.39 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59463  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:22:31  

Additional Information
 Jupiter MOID = 1.80131 au 
 T_jup = 3.220 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.083364150699283E-15 -6.194281070497072E-15 -6.918312439346232E-13 -4.233821568084202E-15 -8.759354315914488E-14 -2.791464237054425E-15
q -6.194281070497072E-15 1.909883514350971E-14 4.810514573158304E-13 1.684193599040749E-14 -1.009513620373177E-14 1.093496219558474E-14
tp -6.918312439346232E-13 4.810514573158304E-13 5.15920819938272E-8 1.308266029099275E-11 9.610421939122399E-9 -3.696718396511968E-12
node -4.233821568084202E-15 1.684193599040749E-14 1.308266029099275E-11 1.623505331462633E-9 -1.607807240748143E-9 1.353061345474796E-11
peri -8.759354315914488E-14 -1.009513620373177E-14 9.610421939122399E-9 -1.607807240748143E-9 3.40206475031116E-9 -1.395498698787125E-11
i -2.791464237054425E-15 1.093496219558474E-14 -3.696718396511968E-12 1.353061345474796E-11 -1.395498698787125E-11 2.617423105184138E-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 15.0   n/a MPO436737  

146874 (2002 BB)          Discovered 2002-Jan-17 by Roe, J. M. at Oaxaca
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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