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

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2922747818280471 3.3127e-08  
a 2.171007647303532 6.0935e-09 au
q 1.53647686084087 7.0886e-08 au
i 2.593863730370813 3.7239e-06 deg
node 42.98411951660978 8.7992e-05 deg
peri 234.8184073752981 8.8266e-05 deg
M 102.579632363441 7.5407e-06 deg
tp 2458667.572941082039
(2019-Jul-03.07294108)
2.4088e-05 TDB
period 1168.397063325619
3.20
4.9191e-06
1.347e-08
d
yr
n .3081144341250986 1.2972e-09 deg/d
Q 2.805538433766193 7.8744e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2001  
   data-arc span      16900 days (46.27 yr)  
   first obs. used      1974-04-22  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:14:09  

Additional Information
 Earth MOID = .522092 au 
 Jupiter MOID = 2.34257 au 
 T_jup = 3.631 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO384845  
rotation period rot_per 5.7402 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Higgins, D.; Pravec, P.; Kusnirak, P.; Galad, A.; et al. (2006) Minor Planet Bull. 33, 89-91.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2006) http://www.asu.cas.cz/~ppravec/neo.htm]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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