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300542 (2007 TQ257)
Classification: Main-belt Asteroid          SPK-ID: 2300542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2599375000858223 9.8063e-08  
a 2.565470026412568 1.9141e-08 au
q 1.898608161201776 2.6024e-07 au
i 8.317514262009556 6.6266e-06 deg
node 35.90527600659767 4.5015e-05 deg
peri 314.8569500909992 4.6955e-05 deg
M 147.1625521921081 1.3186e-05 deg
tp 2458782.958908541195
(2019-Oct-26.45890854)
5.033e-05 TDB
period 1500.889931813882
4.11
1.6797e-05
4.599e-08
d
yr
n .23985769533741 2.6844e-09 deg/d
Q 3.232331891623359 2.4117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6289 days (17.22 yr)  
   first obs. used      2003-11-20  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62553  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:35:18  

Additional Information
 Earth MOID = .903519 au 
 Jupiter MOID = 2.23688 au 
 T_jup = 3.370 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457605.5 (2016-Aug-05.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2619595026925011 9.7954e-08  
q 1.891627537235877 2.601e-07 au
tp 2457282.730152381845
(2015-Sep-17.23015238)
4.0177e-05 TDB
node 35.94556576074334 4.497e-05 deg
peri 314.7553060481968 4.6842e-05 deg
i 8.327345011563864 6.6393e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6289 days (17.22 yr)  
   first obs. used      2003-11-20  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62553  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:35:18  

Additional Information
 Jupiter MOID = 2.23688 au 
 T_jup = 3.370 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.595020183999304E-15 -2.545427806140903E-14 -1.685139774063014E-12 -7.96761800462769E-14 -6.397411563381049E-13 -4.470836259424398E-14
q -2.545427806140903E-14 6.765427563261783E-14 4.528145891981342E-12 2.119742023695554E-13 1.715107832830176E-12 1.191179367132848E-13
tp -1.685139774063014E-12 4.528145891981342E-12 1.614178037434066E-9 2.263966864644059E-11 5.668387888511881E-10 7.428103651395004E-12
node -7.96761800462769E-14 2.119742023695554E-13 2.263966864644059E-11 2.022281737307796E-9 -1.991910265490679E-9 -1.709176352838669E-10
peri -6.397411563381049E-13 1.715107832830176E-12 5.668387888511881E-10 -1.991910265490679E-9 2.194177429801935E-9 1.724443106711595E-10
i -4.470836259424398E-14 1.191179367132848E-13 7.428103651395004E-12 -1.709176352838669E-10 1.724443106711595E-10 4.408088876922197E-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 17.46   n/a MPCxxxxx  

300542 (2007 TQ257)          Discovered 2007-Oct-10 by Spacewatch at Kitt Peak
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ 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
1995-Nov-15 21:12 00:02 Amphi 0.0259649826082936 0.0259585099130793 0.0259714553790258 4.82127116738939 4.82127112146711 2450037.383384327 1.95848204572784 332.450948049631 158.902141606711 -15.9292499060126 13080.8050676704 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 05:35:18 2021-Apr-14 05:35
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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