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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2597802890006877 1.4825e-07  
a 2.564944899117786 2.7238e-08 au
q 1.898622771954128 3.9671e-07 au
i 8.317889340139372 8.494e-06 deg
node 35.92193084833735 5.0004e-05 deg
peri 314.7894943434646 5.2471e-05 deg
M 52.2472377951262 1.2482e-05 deg
tp 2458782.740895902074
(2019-Oct-26.24089590)
5.0465e-05 TDB
period 1500.429128572344
4.11
2.39e-05
6.543e-08
d
yr
n .2399313590656157 3.8218e-09 deg/d
Q 3.231267026281444 3.4314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5837 days (15.98 yr)  
   first obs. used      2003-11-20  
   last obs. used      2019-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63975  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:04:58  

Additional Information
 Earth MOID = .904361 au 
 Jupiter MOID = 2.2367 au 
 T_jup = 3.370 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457306.5 (2015-Oct-11.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2620871964319598 1.4852e-07  
q 1.891754402963098 3.9814e-07 au
tp 2457282.817413882853
(2015-Sep-17.31741388)
4.4636e-05 TDB
node 35.9454757593407 4.9958e-05 deg
peri 314.7888728877203 5.2348e-05 deg
i 8.32692218642967 8.5108e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5837 days (15.98 yr)  
   first obs. used      2003-11-20  
   last obs. used      2019-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63975  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:04:58  

Additional Information
 Jupiter MOID = 2.2367 au 
 T_jup = 3.370 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.205779662927984E-14 -5.910530216432653E-14 4.476685135429714E-13 2.360941122616763E-13 -3.181378831561989E-14 -2.007493423670973E-13
q -5.910530216432653E-14 1.585180807065277E-13 -1.230236779534904E-12 -6.346395993651224E-13 6.820430018292149E-14 5.389778635852916E-13
tp 4.476685135429714E-13 -1.230236779534904E-12 1.992375126191626E-9 6.77857406671803E-12 7.452936865835796E-10 -2.237051964106471E-12
node 2.360941122616763E-13 -6.346395993651224E-13 6.77857406671803E-12 2.495763083406076E-9 -2.466744638060784E-9 -2.847532104014227E-10
peri -3.181378831561989E-14 6.820430018292149E-14 7.452936865835796E-10 -2.466744638060784E-9 2.740359796784982E-9 2.807865726067054E-10
i -2.007493423670973E-13 5.389778635852916E-13 -2.237051964106471E-12 -2.847532104014227E-10 2.807865726067054E-10 7.243400333232349E-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 17.4   n/a MPO440419  

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 10 CATAB v2.0f-lin.ifort 2019-Dec-04 21:05:05 2019-Dec-04 21:05
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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