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305715 (2009 BU188)
Classification: Main-belt Asteroid          SPK-ID: 2305715
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04984163344459475 7.2795e-08  
a 3.045481809042391 3.8199e-08 au
q 2.893690021053919 2.3434e-07 au
i 9.419479923437358 6.7237e-06 deg
node 183.9832478089611 3.9503e-05 deg
peri 66.9167974008339 6.9557e-05 deg
M 17.81964682146034 5.5864e-05 deg
tp 2459104.409814233969
(2020-Sep-11.90981423)		 0.0003015 TDB
period 1941.254348212513
5.31		 3.6523e-05
9.999e-08		 d
yr
n .1854471055436318 3.4891e-09 deg/d
Q 3.197273597030864 4.0103e-08 au
   Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      5905 days (16.17 yr)  
   first obs. used      2004-04-22  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54348  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:14  

Additional Information
 Earth MOID = 1.89568 au 
 Jupiter MOID = 1.81675 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457890.5 (2017-May-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04880502631594083 7.2979e-08  
q 2.897313161818062 2.351e-07 au
tp 2457158.266353633796
(2015-May-15.76635363)		 0.000313 TDB
node 184.0166212523381 3.9496e-05 deg
peri 65.9236290641369 7.0215e-05 deg
i 9.419663099334294 6.7256e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      5905 days (16.17 yr)  
   first obs. used      2004-04-22  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54348  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:14  

Additional Information
 Jupiter MOID = 1.81675 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.325941842154706E-15 -1.696253178785139E-14 -6.331996570635262E-12 7.067441060737608E-15 -1.151954181463918E-12 -1.088664901575086E-14
q -1.696253178785139E-14 5.527086862029787E-14 1.632829971868525E-11 -1.993256363321877E-14 3.025577965529357E-12 3.787787754045387E-14
tp -6.331996570635262E-12 1.632829971868525E-11 9.796922937663655E-8 3.83299675559372E-11 1.822838747375936E-8 2.240147208518308E-11
node 7.067441060737608E-15 -1.993256363321877E-14 3.83299675559372E-11 1.559960214514227E-9 -1.530830870143971E-9 1.331572056187734E-10
peri -1.151954181463918E-12 3.025577965529357E-12 1.822838747375936E-8 -1.530830870143971E-9 4.930136475906647E-9 -1.270102709849866E-10
i -1.088664901575086E-14 3.787787754045387E-14 2.240147208518308E-11 1.331572056187734E-10 -1.270102709849866E-10 4.523310426453422E-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 16.25   n/a E2021B25  

305715 (2009 BU188)          Discovered 2009-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
1916-Mar-22 09:02 00:06 Jupiter 1.82295439850578 1.8229533297238 1.82295546731491 3.80107048275154 3.6767990632935 2420944.876392996 5.64490323716593 439.682187025442 26.8721273745574 -84.9539007699671 2156830.05001346 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:14 2021-Apr-14 05:56
1964-May-01 08:31 00:03 Jupiter 1.80976648340701 1.80976576422373 1.80976720259142 3.58465982849029 3.45162698512868 2438516.854888219 2.95285370559839 216.126905647592 29.3349423684673 85.2819001828574 1833090.53804323 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:14 2021-Apr-14 05:56
2012-Jun-16 20:46 < 00:01 Jupiter 1.87586109815914 1.87586039720043 1.87586179911774 3.28171299506949 3.14110876017019 2456095.365182702 0.370361323442779 60.7731779400839 28.4078754851849 -87.9351481303388 1786033.07433684 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:14 2021-Apr-14 05:56
2060-Aug-10 20:18 00:03 Jupiter 1.9915317244535 1.99153049439052 1.99153295451659 3.07931781395904 2.9379540548317 2473682.345535545 2.6666040941139 79.690541488517 42.6419320312003 59.9455400413005 1927040.51677909 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:14 2021-Apr-14 05:56
2070-Jan-24 13:25 00:03 Jupiter 1.8741866636428 1.87418547788992 1.87418784940409 3.94325991336719 3.82693297303669 2477136.058943899 3.07397478116257 237.447470665291 25.8963007613542 -78.1393489919805 2530501.40103903 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:14 2021-Apr-14 05:56
2118-Mar-05 22:59 00:06 Jupiter 1.81510064867935 1.8150998720784 1.81510142529499 3.73294912494784 3.60577353502198 2494707.457860373 5.77740952420682 450.59558522079 27.6566914846268 -88.1696633957237 2020580.57435837 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:14 2021-Apr-14 05:56
2166-Apr-18 01:25 00:09 Jupiter 1.83754225659286 1.8375406613088 1.83754385192694 3.41117303202269 3.27325425097192 2512282.558756944 8.75789830841661 548.988669076782 30.6025001516428 80.4698262327355 1711638.8218201 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:14 2021-Apr-14 05:56
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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