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175993 (2000 QB145)
Classification: Main-belt Asteroid          SPK-ID: 2175993
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2660738632186768 6.4881e-08  
a 3.080737747849496 2.551e-08 au
q 2.261033953715575 2.0779e-07 au
i 18.15012671316764 6.0673e-06 deg
node 160.7728844434511 1.6886e-05 deg
peri 221.2985735408935 1.9355e-05 deg
M 255.5246912218678 1.4476e-05 deg
tp 2459773.680866173270
(2022-Jul-13.18086617)
8.4737e-05 TDB
period 1975.061038207408
5.41
2.4532e-05
6.716e-08
d
yr
n .1822728477934742 2.264e-09 deg/d
Q 3.900441541983417 3.2298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      8500 days (23.27 yr)  
   first obs. used      1997-03-03  
   last obs. used      2020-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:41  

Additional Information
 Earth MOID = 1.29034 au 
 Jupiter MOID = 1.69169 au 
 T_jup = 3.099 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457143.5 (2015-May-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2661889582325381 6.4775e-08  
q 2.260729850879835 2.0741e-07 au
tp 2457800.664035194947
(2017-Feb-16.16403520)
6.813e-05 TDB
node 160.7885020878527 1.6892e-05 deg
peri 221.638948750019 1.9377e-05 deg
i 18.14741653974318 6.0664e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      8500 days (23.27 yr)  
   first obs. used      1997-03-03  
   last obs. used      2020-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:41  

Additional Information
 Jupiter MOID = 1.69169 au 
 T_jup = 3.099 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.195823076802541E-15 -1.338743383395548E-14 -2.199806263913018E-12 -2.364329769270721E-14 -2.004284189581317E-13 -5.459373562814191E-16
q -1.338743383395548E-14 4.301916515596157E-14 7.52069122959582E-12 7.927312461317704E-14 6.943135031302813E-13 4.057000166630016E-15
tp -2.199806263913018E-12 7.52069122959582E-12 4.64167026750687E-9 2.020419461018642E-11 6.687052351055169E-10 8.827990953722686E-12
node -2.364329769270721E-14 7.927312461317704E-14 2.020419461018642E-11 2.853395960614265E-10 -2.681080072036806E-10 1.600707621192233E-11
peri -2.004284189581317E-13 6.943135031302813E-13 6.687052351055169E-10 -2.681080072036806E-10 3.754858442155255E-10 -1.386996888348897E-11
i -5.459373562814191E-16 4.057000166630016E-15 8.827990953722686E-12 1.600707621192233E-11 -1.386996888348897E-11 3.680082398189471E-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 15.29   n/a MPCxxxxx  

175993 (2000 QB145)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ 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
1921-Aug-17 02:59 00:03 Jupiter 1.67976308881408 1.67976214589446 1.67976403178107 4.12641175961787 4.00234576967845 2422918.624571428 3.18009864014383 619.047150572579 30.439053191436 87.0757111244272 2381772.82971256 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:07:42 2021-Apr-13 21:07
1981-Aug-14 02:08 00:01 Jupiter 1.74379681126997 1.74379593915037 1.74379768339184 3.78057426704926 3.64983184745109 2444830.589112918 1.22092818280501 247.706692576385 39.8637804317406 -85.5506055045355 2022131.59740383 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:07:42 2021-Apr-13 21:07
2051-Oct-02 05:11 00:01 Jupiter 1.76043124786815 1.76043051946996 1.76043197626975 4.21866804584706 4.10303184089439 2470446.716052162 1.36498489647139 235.359862293358 29.6181189337786 85.3517029577059 2601118.46093861 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:07:42 2021-Apr-13 21:07
2111-Oct-01 04:13 00:03 Jupiter 1.70130779857601 1.70130689998229 1.70130869720378 3.90273193686369 3.77300748850483 2492359.675702688 3.45524541881257 600.970237173063 33.7725602929815 -86.8029878934308 2168965.0356329 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:07:42 2021-Apr-13 21:07
2171-Oct-22 02:48 00:07 Jupiter 1.85794577545802 1.85794192598765 1.85794962499578 3.2480446637715 3.10451449508083 2514295.616758066 6.69242613290684 632.545165184837 74.8939877449236 -69.4454837995644 1269041.91968727 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:07:42 2021-Apr-13 21:07
2181-Nov-13 05:21 00:06 Jupiter 1.90048371856005 1.90047959020282 1.90048784701894 4.36884434824667 4.26560959654178 2517970.722592277 6.24426827975161 742.738910799591 36.4481972431476 74.5646687083057 2797377.92041771 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:07:42 2021-Apr-13 21:07

Alternate Designations
 2000 QB145 = 1997 ER1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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