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(2020 BF9)
Classification: Apollo [NEO]          SPK-ID: 3989206
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4442627044142935 0.0006324  
a 1.792629326747182 0.0020696 au
q .9962309740341049 1.6508e-05 au
i 1.991904589297042 0.0023333 deg
node 323.8438853150935 0.0028998 deg
peri 151.136806991201 0.0032282 deg
M 55.3027634395676 0.096325 deg
tp 2458865.827629417650
(2020-Jan-17.32762942)
0.0013573 TDB
period 876.6660180123704
2.40
1.5182
0.004157
d
yr
n .4106466916742291 0.00071114 deg/d
Q 2.58902767946026 0.0029891 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      9 days  
   first obs. used      2020-01-25  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .65391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-04 05:38:51  

Additional Information
 Earth MOID = .0192837 au 
 Jupiter MOID = 2.53558 au 
 T_jup = 3.954 
[ 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 26.506   .39521 4 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
1998-Mar-24 23:35 9_12:38 Mars 0.0999558955018075 0.060881140713358 0.26176917022708 14.1145829766154 14.1143800528823 2450897.482776479 13718.473903602 8742341.48117012 143.543572524583 -37.5254743398475 62798.8758771647 T 4 CATAB v2.0f-lin.ifort 2020-Feb-04 05:38:52 2020-Feb-04 05:39
2020-Jan-24 19:33 < 00:01 Earth 0.0195196656421061 0.0194412872466689 0.0195980389258372 5.81100199008687 5.7874639973277 2458873.314717924 0.254883588364088 3876.28545810285 6.73525969286886 -0.0870902344733809 417.06452917966 T 4 CATAB v2.0f-lin.ifort 2020-Feb-04 05:38:52 2020-Feb-04 05:39
2024-Jul-31 01:37 7_16:16 Mars 0.0757402527508195 0.0618918442062694 0.188665383598432 12.0271573293338 12.0268430454444 2460522.567189623 11056.2335991191 6710506.01658388 150.179046411519 54.8053210150783 62209.5981736942 T 4 CATAB v2.0f-lin.ifort 2020-Feb-04 05:38:52 2020-Feb-04 05:39
2060-Nov-24 15:02 6_12:40 Earth 0.382048893475387 0.247149351632952 0.517367620726451 17.4828162605383 17.4824173394711 2473788.126691473 9399.77231805965 6766844.113616 63.4951568524115 -5.02461882983973 65730.8714542166 T 4 CATAB v2.0f-lin.ifort 2020-Feb-04 05:38:52 2020-Feb-04 05:39
2072-Dec-22 22:49 3_09:58 Earth 0.0681925555139851 0.0605263422440775 0.0761310972666508 7.29452798577354 7.28916955359963 2478199.450852334 4918.13253132649 444562.023282217 93.5778231506274 -28.7897909507309 48343.3516460035 T 4 CATAB v2.0f-lin.ifort 2020-Feb-04 05:38:52 2020-Feb-04 05:39
2097-Mar-13 04:34 2_08:41 Earth 0.41172165670395 0.359164190686561 0.464289408202247 18.4667950591368 18.4664446130326 2487045.690094628 3400.55273009878 2623092.81067044 42.4876867196678 2.2618555776759 48612.3931051426 T 4 CATAB v2.0f-lin.ifort 2020-Feb-04 05:38:52 2020-Feb-04 05:39
2142-Nov-29 06:35 5_14:30 Earth 0.341476666499359 0.210599072608106 0.472970851124417 16.3507003325432 16.3502231096137 2503741.774034958 8069.90035778266 6581623.90343466 57.8651298139927 -5.8475314161578 74636.4560055893 T 4 CATAB v2.0f-lin.ifort 2020-Feb-04 05:38:52 2020-Feb-04 05:39
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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