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

[ hide orbit diagram ]

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 2459232.5 (2021-Jan-18.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .746919455503652 0.00070481  
a 1.163070278853299 0.0015158 au
q .2943504594597123 0.00043614 au
i 4.914294038625588 0.0087778 deg
node 302.1739185396513 0.0029864 deg
peri 306.437002794257 0.012797 deg
M 322.1068401730403 0.10625 deg
tp 2459280.724272486515
(2021-Mar-07.22427249)
0.040946 TDB
period 458.1496548301523
1.25
0.89566
0.002452
d
yr
n .7857694449938223 0.0015361 deg/d
Q 2.031790098246887 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .51848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-21 05:19:42  

Additional Information
 Earth MOID = .00485861 au 
 Jupiter MOID = 3.02861 au 
 T_jup = 5.100 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1943-Apr-30 03:12 9_11:12 Venus 0.0565827850394351 0.049988539279138 0.294684037415646 28.122526177964 28.121161466519 2430844.633017231 13631.8404687333 13160045.1580628 95.739014871235 -62.0667096292032 84499.3178611734 T 3 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
1944-Oct-13 14:27 4_15:20 Earth 0.0998972770024787 0.0818761497022264 0.283792065495427 27.3175708181368 27.3165944257372 2431377.102035203 6680.43333912373 10696143.348536 278.376260329456 -55.0515994414198 43222.9621674121 T 3 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
2013-Oct-13 02:09 9_15:32 Earth 0.0867123742390758 0.0831660961890065 0.289135259965756 26.3480938208118 26.3469275707235 2456578.589746963 13892.1170167761 12585754.3269371 283.402302728295 -73.5713114501095 43404.5941144395 T 3 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
2016-Jan-16 21:50 6_20:17 Earth 0.0761843766431028 0.00423595064726536 0.250136895061292 27.8955877967515 27.894334018647 2457404.409877239 9857.02947910694 8678384.48449365 16.0252736965203 -3.19046252625912 38245.5718813377 T 3 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
2018-Oct-02 11:48 4_21:57 Venus 0.134854797766071 0.095066528183553 0.229320951939693 24.7509720098015 24.7503214069049 2458393.992003513 7077.02154391444 5637029.78457559 215.021062205139 44.827128941621 64543.9022751875 T 3 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
2018-Oct-17 06:29 3_16:58 Earth 0.147100336361383 0.0889587660973208 0.227550232600263 29.3304304978438 29.3298129297851 2458408.770361998 5338.38767282542 4517737.87767563 271.774796882035 -34.627415504396 45115.4002262062 T 3 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
2020-Jan-01 23:17 2_05:56 Venus 0.119701941776207 0.0964850912928688 0.161462152930633 32.9130308942487 32.9124797014825 2458850.469991917 3235.52815633281 2891012.56828596 181.660612563509 -52.8588043710261 77350.2271342452 T 3 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
2021-Jan-19 17:05 < 00:01 Earth 0.0183766379310776 0.0183041115315283 0.0184491640650845 25.0359810316738 25.0301889867196 2459234.211505454 0.0245467117777849 3614.91335908291 5.94406677686546 0.0427425437480864 650.698222387284 T 3 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
2022-Jun-19 05:54 2_05:28 Mercury 0.0859508362607849 0.0604039172124674 0.140071266506803 46.0868873302015 46.0868501512733 2459749.745926436 3208.39590062644 3252817.94890181 45.5997591587073 -44.6502372024357 195119.41082655 T 3 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
2023-Oct-22 03:35 3_13:43 Earth 0.245355575433142 0.172565809311928 0.32123376868218 32.8186352116328 32.8183043106186 2460239.649131912 5143.48859300988 3953491.42695069 267.926600264763 -19.3553793861518 43856.6682254491 T 3 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
2026-Jan-24 02:31 4_11:22 Earth 0.149903275770419 0.000412425951715281 0.326525500696798 21.2175551148061 21.2167173647448 2461064.604698343 6442.25054833964 8807512.52822164 32.9796185388007 0.159160616487374 1743.12828277844 T 3 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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