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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2924140134593161 3.9537e-08  
a 2.171711241768647 1.4404e-08 AU
q 1.536672441488362 8.5795e-08 AU
i 2.594251187039005 5.1557e-06 deg
node 43.04986126115284 9.9591e-05 deg
peri 234.6890651132628 0.00010089 deg
M 206.561841932104 2.238e-05 deg
tp 2457498.732922521364
(2016-Apr-20.23292252)
7.6726e-05 JED
period 1168.965102072737
3.20
1.163e-05
3.184e-08
d
yr
n .307964711146355 3.0639e-09 deg/d
Q 2.806750042048933 1.8616e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      14935 days (40.89 yr)  
   first obs. used      1974-04-22  
   last obs. used      2015-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50582  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:36:39  

Additional Information
 Earth MOID = .523688 AU 
 T_jup = 3.630 
[ 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 LCDB (Rev. 2015-Feb); Warner et al., 2009 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
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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