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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2924140048106018 4.0937e-08  
a 2.171711240621033 1.4485e-08 AU
q 1.536672459458836 8.8566e-08 AU
i 2.594252909729055 6.3641e-06 deg
node 43.0498499191184 0.00010222 deg
peri 234.68908293845 0.00010365 deg
M 206.5618368467286 2.2928e-05 deg
tp 2457498.732938639287
(2016-Apr-20.23293864)
7.831e-05 JED
period 1168.965101146149
3.20
1.1695e-05
3.202e-08
d
yr
n .3079647113904654 3.0811e-09 deg/d
Q 2.806750021783229 1.8721e-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 = .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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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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