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162003 (1991 TG)
Classification: Main-belt Asteroid          SPK-ID: 2162003
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2809686742345792 1.1429e-07  
a 2.615943235885291 3.5521e-08 AU
q 1.880945133025685 3.0827e-07 AU
i 31.95765545110212 1.335e-05 deg
node 185.2195475255308 1.4325e-05 deg
peri 208.6128985400107 2.2799e-05 deg
M 160.8660333403785 1.9273e-05 deg
tp 2456309.937878375351
(2013-Jan-17.43787838)
7.6093e-05 JED
period 1545.399974268358
4.23
3.1477e-05
8.618e-08
d
yr
n .2329494020927725 4.7448e-09 deg/d
Q 3.350941338744895 4.5502e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      8578 days (23.49 yr)  
   first obs. used      1991-10-01  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59154  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 22:22:12  

Additional Information
 Earth MOID = .912408 AU 
 T_jup = 3.144 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO251339  

162003 (1991 TG)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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