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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .259850878044076 1.4823e-07  
a 2.565278971716284 2.739e-08 au
q 1.898688978487803 3.9673e-07 au
i 8.318444346529102 8.4942e-06 deg
node 35.9287740927937 4.9996e-05 deg
peri 314.7243000160588 5.2463e-05 deg
M 316.3190808146468 1.1813e-05 deg
tp 2458782.591467742410
(2019-Oct-26.09146774)
5.04e-05 TDB
period 1500.722274389509
4.11
2.4035e-05
6.58e-08
d
yr
n .2398844917167951 3.8419e-09 deg/d
Q 3.231868964944765 3.4507e-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 = .903564 au 
 Jupiter MOID = 2.23249 au 
 T_jup = 3.370 
[ show covariance matrix ]

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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