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268903 (2007 BQ74)
Classification: Main-belt Asteroid          SPK-ID: 2268903
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616463143044867 5.5228e-08  
a 2.39195202907045 1.6984e-08 au
q 2.005301799578073 1.2797e-07 au
i 1.007272345836651 6.3727e-06 deg
node 24.64754761047405 0.00031979 deg
peri 199.2046002857175 0.00032051 deg
M 208.4398653321581 2.5191e-05 deg
tp 2459769.365514472275
(2022-Jul-08.86551447)
9.8555e-05 TDB
period 1351.223299311781
3.70
1.4391e-05
3.94e-08
d
yr
n .2664252460591517 2.8375e-09 deg/d
Q 2.778602258562826 1.9729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      9070 days (24.83 yr)  
   first obs. used      1996-02-10  
   last obs. used      2020-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:19:22  

Additional Information
 Earth MOID = .995241 au 
 Jupiter MOID = 2.19968 au 
 T_jup = 3.513 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457527.5 (2016-May-19.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614392557459588 5.53e-08  
q 2.006170966996839 1.2811e-07 au
tp 2457067.348695849196
(2015-Feb-13.84869585)
8.1964e-05 TDB
node 24.69610438444276 0.00031938 deg
peri 199.3063500800503 0.0003201 deg
i 1.008221296312222 6.3743e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      9070 days (24.83 yr)  
   first obs. used      1996-02-10  
   last obs. used      2020-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:19:22  

Additional Information
 Jupiter MOID = 2.19968 au 
 T_jup = 3.513 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.058120194241517E-15 -7.045763956123883E-15 -1.90589086800805E-13 -2.1592878228644E-14 -2.956155876842983E-14 2.357309900952666E-16
q -7.045763956123883E-15 1.641284760162618E-14 9.887992052133578E-13 5.038992984563651E-14 2.182507250312996E-13 -6.176321447208292E-16
tp -1.90589086800805E-13 9.887992052133578E-13 6.718072036410089E-9 -1.045892278248793E-11 1.781866700326769E-9 -5.89066690731687E-13
node -2.1592878228644E-14 5.038992984563651E-14 -1.045892278248793E-11 1.020049768830438E-7 -1.019911947154419E-7 -3.383859190089803E-10
peri -2.956155876842983E-14 2.182507250312996E-13 1.781866700326769E-9 -1.019911947154419E-7 1.0246222448177E-7 3.381834813007725E-10
i 2.357309900952666E-16 -6.176321447208292E-16 -5.89066690731687E-13 -3.383859190089803E-10 3.381834813007725E-10 4.063221962393148E-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 17.6   n/a MPO437235  

268903 (2007 BQ74)          Discovered 2007-Jan-17 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ 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
1920-Jan-17 12:59 00:07 Psych 0.0319356905862835 0.0319059041014742 0.0319654795472883 4.18353426496138 4.18353417440198 2422341.040923256 6.9903467868353 1548.85692104163 83.0704990788184 16.6565736578733 16732.3994501562 T 8 CATAB v2.0f-lin.ifort 2021-Feb-24 14:19:23 2021-Feb-24 14:19
2025-Mar-29 16:15 < 00:01 Eunom 0.0440462582285835 0.0440416968496456 0.0440508202145399 7.30024558506794 7.30024554141159 2460764.177286780 0.526436434811619 371.491330447987 109.083313950094 55.8158510390681 50936.773789734 T 8 CATAB v2.0f-lin.ifort 2021-Feb-24 14:19:23 2021-Feb-24 14:19

Alternate Designations
 2007 BQ74 = 2000 HL93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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