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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2919105174165736 3.9429e-08  
a 2.171308266499545 1.43e-08 au
q 1.537480546954779 8.5511e-08 au
i 2.59448306033245 5.1368e-06 deg
node 42.99478750281136 9.9563e-05 deg
peri 234.8384062744606 0.00010087 deg
M 31.20708860674001 2.3954e-05 deg
tp 2457499.194876846423
(2016-Apr-20.69487685)
7.6939e-05 JED
period 1168.63975345047
3.20
1.1545e-05
3.161e-08
d
yr
n .3080504483413997 3.0432e-09 deg/d
Q 2.805135986044311 1.8474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      14969 days (40.98 yr)  
   first obs. used      1974-04-22  
   last obs. used      2015-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50972  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:07:13  

Additional Information
 Earth MOID = .522886 au 
 Jupiter MOID = 2.33548 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 LCDB (Rev. 2016-February); 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]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) 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 | Physical Parameters | Discovery Circumstances ]
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