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9992 (1997 TG19)
Classification: Mars-crossing Asteroid          SPK-ID: 2009992
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2929900383173605 4.0965e-08  
a 2.17074184648626 1.443e-08 AU
q 1.534736109707153 8.8593e-08 AU
i 2.59527873341344 6.3667e-06 deg
node 43.08169514837712 0.00010216 deg
peri 234.6277244474111 0.00010359 deg
M 144.9962548289638 2.2417e-05 deg
tp 2456329.994203078942
(2013-Feb-06.49420308)
6.9312e-05 JED
period 1168.182496102278
3.20
1.1648e-05
3.189e-08
d
yr
n .308171027387557 3.0728e-09 deg/d
Q 2.806747583265367 1.8657e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      14541 days (39.81 yr)  
   first obs. used      1974-04-22  
   last obs. used      2014-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52332  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:41:47  

Additional Information
 Earth MOID = .519896 AU 
 T_jup = 3.631 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO266011  
rotation period rot_per 5.7402 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Higgins, D.; Pravec, P.; Kusnirak, P.; Galad, A.; et al. (2006) Minor Planet Bul. 33, 89-91.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2006) http://www.asu.cas.cz/~ppravec/neo.htm]

9992 (1997 TG19)          Discovered 1997-Oct-08 by Kagawa, T., Urata, T. at Gekko (888)
Reference: 19990202/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 TG19 = 1974 HC1 = 1980 BD 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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