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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616463149694649 5.5228e-08  
a 2.391952030976641 1.6984e-08 au
q 2.005301799585539 1.2797e-07 au
i 1.007272356397383 6.3727e-06 deg
node 24.64754708128317 0.00031979 deg
peri 199.2046005558468 0.00032051 deg
M 208.4398652426904 2.5191e-05 deg
tp 2459769.365515488092
(2022-Jul-08.86551549)
9.8555e-05 TDB
period 1351.223300927003
3.70
1.4391e-05
3.94e-08
d
yr
n .2664252457406728 2.8375e-09 deg/d
Q 2.778602262367742 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:25:43  

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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614392570912906 5.53e-08  
q 2.006170963818225 1.2811e-07 au
tp 2457067.348695663391
(2015-Feb-13.84869566)
8.1964e-05 TDB
node 24.69610395048215 0.00031938 deg
peri 199.3063505990038 0.0003201 deg
i 1.008221300655068 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:25:43  

Additional Information
 Jupiter MOID = 2.19968 au 
 T_jup = 3.513 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.058119936973887E-15 -7.045764545812485E-15 -1.905905985917652E-13 -2.159264608722408E-14 -2.95623633116663E-14 2.35729359932767E-16
q -7.045764545812485E-15 1.641285108638348E-14 9.88802747476531E-13 5.038936015750135E-14 2.182524636194385E-13 -6.176272848202947E-16
tp -1.905905985917652E-13 9.88802747476531E-13 6.718070986747135E-9 -1.04590183808842E-11 1.781866591298183E-9 -5.890616858408019E-13
node -2.159264608722408E-14 5.038936015750135E-14 -1.04590183808842E-11 1.020049770270704E-7 -1.019911948652713E-7 -3.383859884082455E-10
peri -2.95623633116663E-14 2.182524636194385E-13 1.781866591298183E-9 -1.019911948652713E-7 1.024622245444632E-7 3.381835519678968E-10
i 2.35729359932767E-16 -6.176272848202947E-16 -5.890616858408019E-13 -3.383859884082455E-10 3.381835519678968E-10 4.063222040240554E-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 17.77   n/a MPCxxxxx  

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

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