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19356 (1997 GH3)
Classification: Amor [NEO]          SPK-ID: 2019356
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5626205337485933 3.2422e-08  
a 2.502681656604325 1.1022e-08 au
q 1.094621567162786 8.1282e-08 au
i 3.003670024899834 5.6474e-06 deg
node 186.696045901487 7.151e-05 deg
peri 333.84835480941 7.1698e-05 deg
M 6.95237626369088 1.3018e-05 deg
tp 2459172.572143135985
(2020-Nov-19.07214314)
5.211e-05 TDB
period 1446.128358091475
3.96
9.5531e-06
2.615e-08
d
yr
n .2489405577213832 1.6445e-09 deg/d
Q 3.910741746045864 1.7223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      10260 days (28.09 yr)  
   first obs. used      1992-11-02  
   last obs. used      2020-12-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56838  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:52:31  

Additional Information
 Earth MOID = .105313 au 
 Jupiter MOID = 1.09284 au 
 T_jup = 3.224 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO266057  
diameter diameter 0.91 km n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
rotation period rot_per 6.714 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
geometric albedo albedo 0.34   n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

19356 (1997 GH3)          Discovered 1997-Apr-06 by JPL/GEODSS NEAT at Haleakala
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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