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(2021 BB1)
Classification: Apollo [NEO]          SPK-ID: 54106337
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459232.5 (2021-Jan-18.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7469194556630681 0.00070481  
a 1.163070276437693 0.0015158 au
q .2943504586629572 0.00043614 au
i 4.914294048577851 0.0087778 deg
node 302.1739187395598 0.0029864 deg
peri 306.437002652321 0.012797 deg
M 322.106840055735 0.10625 deg
tp 2459280.724272485565
(2021-Mar-07.22427249)
0.040946 TDB
period 458.1496534028404
1.25
0.89566
0.002452
d
yr
n .7857694474417953 0.0015361 deg/d
Q 2.031790094212429 0.002648 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      3 days  
   first obs. used      2021-01-16  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .51848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:24:06  

Additional Information
 Earth MOID = .00485861 au 
 Jupiter MOID = 3.02861 au 
 T_jup = 5.100 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 4.967603357952707E-7 -3.073876257537784E-7 -2.885927757058719E-5 -2.102867152355712E-6 9.014644043815304E-6 6.186011668277996E-6
q -3.073876257537784E-7 1.90213941278757E-7 1.785759701939272E-5 1.301027762293605E-6 -5.579203421335831E-6 -3.827631543504079E-6
tp -2.885927757058719E-5 1.785759701939272E-5 .001676579806391815 .0001221682394395245 -.0005236938739190003 -.0003593781262855479
node -2.102867152355712E-6 1.301027762293605E-6 .0001221682394395245 8.918294813536586E-6 -3.814265370303771E-5 -2.620276285219265E-5
peri 9.014644043815304E-6 -5.579203421335831E-6 -.0005236938739190003 -3.814265370303771E-5 .0001637604070115685 .0001122418290583304
i 6.186011668277996E-6 -3.827631543504079E-6 -.0003593781262855479 -2.620276285219265E-5 .0001122418290583304 7.704922484010302E-5

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.83   .46448 E2021-BA4 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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