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(2021 BR1)
Classification: Apollo [NEO]          SPK-ID: 54106532
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02424165358729098 0.00072295  
a 1.039192526367583 0.00012762 au
q 1.014000781132878 0.00082698 au
i 8.303034174898542 0.01492 deg
node 296.3082762307408 0.001257 deg
peri 283.0291181057669 0.05533 deg
M 231.8502536957146 0.062336 deg
tp 2459338.239245262781
(2021-May-03.73924526)
0.073106 TDB
period 386.9389501315222
1.06
0.071279
0.0001952
d
yr
n .9303793269652344 0.00017139 deg/d
Q 1.064384271602288 0.00013072 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      1 day  
   first obs. used      2021-01-18  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .44508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:24:08  

Additional Information
 Earth MOID = .0148014 au 
 Jupiter MOID = 3.90997 au 
 T_jup = 5.891 
[ 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 26.5   .29367 E2021B84 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
1970-Jul-18 12:33 1_06:40 Earth 0.0761756521011372 0.021064079726966 0.249209301120231 5.16503030307135 5.15825375858059 2440786.022771391 1840.21999905692 8739205.47253842 39178.5810830493 16.7035136937128 84.2349090590284 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
1971-Jul-27 11:26 5_08:03 Earth 0.47336936452145 0.320984636356071 0.62582632718101 15.0288876450033 15.0285131114052 2441159.976311391 7683.3884932031 7606203.09782546 40460.208451133 2.14823928891016 48.744076325821 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
1986-Jul-18 13:21 1_00:55 Earth 0.0451535378502793 0.0310514806749042 0.14992527674385 4.27354545335333 4.25971502707494 2446630.056375407 1494.77598524694 5698913.00936468 23342.3145846438 -44.3233149454047 172.035855532674 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
1987-Jul-23 09:09 1_15:15 Earth 0.339073451596168 0.259601730707978 0.418608210469072 11.3313896185576 11.3306961150099 2446999.881351463 2354.55539772551 3971203.39928447 9064.49378780373 3.33198707909824 314.366361435263 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
2003-Feb-09 18:01 7_09:40 Earth 0.122519406143045 0.094612414766754 0.174864841368365 5.40705629643201 5.40303275759501 2452680.250471457 10659.8536381092 3441634.79347113 56847.3438433252 50.3213377575831 436.134297889321 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
2003-Jul-18 21:33 1_01:46 Earth 0.0608075735062028 0.0494056995132543 0.136613392657262 4.34251366955938 4.33241140013587 2452839.397647520 1545.90427748962 4638668.14634221 53928.8687863962 -56.0567322292104 123.194621391434 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
2004-Jul-21 21:27 2_06:33 Earth 0.307457541614091 0.256365433690376 0.358596560985024 10.5007881705789 10.4999628505664 2453208.393914119 3272.70351193909 2555953.33538342 19570.2296406739 4.28729020805501 146.606928215547 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
2021-Jan-21 07:48 05:41 Earth 0.0593469718296847 0.0590388238537216 0.0596552137022347 4.51994240503599 4.50999845617005 2459235.824822121 341.335828109549 50155.4023522525 15247.1817159268 88.4992680397977 312.232969795733 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
2021-Jul-17 20:25 04:00 Earth 0.0588844409844026 0.0493295868430214 0.0685057214119044 4.90088167777468 4.89164007599111 2459413.350961140 240.467251750604 488212.309610133 12819.3280668646 11.6531180679027 108.458788919269 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
2022-Jul-26 07:32 1_03:18 Earth 0.435884036262563 0.426248029528431 0.445521194497524 13.9893373427942 13.9889003733867 2459786.813973034 1637.73553888269 481835.868942259 16392.6830683168 4.23763392265864 243.67318464965 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
2038-Jan-29 12:41 6_06:44 Earth 0.0748901607821024 0.0702782939895866 0.107995820662403 4.74297782213738 4.73547058146183 2465453.028791740 9044.3079001981 2820297.61032045 11749.2141341731 70.2859838292061 1727.79580182336 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
2038-Jul-17 20:30 06:09 Earth 0.0190726100230627 0.0145209025861185 0.0556895340568506 4.42259709114801 4.39089527148685 2465622.354248202 369.215436460632 2111415.74918407 46365.1101144847 54.0897793435607 53.0121569333033 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
2039-Jul-27 06:37 3_13:08 Earth 0.415280829130848 0.349360992047419 0.481202574303221 13.406319488678 13.4058408931227 2465996.775939056 5107.60562475212 3287503.03590885 12007.0470897808 1.00784885901312 63.4123085896272 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:09 2021-Apr-15 23:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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