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JPL Small-Body Database Browser
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249595 (1997 GH28)
Classification: Amor [NEO]          SPK-ID: 2249595
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 124 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3718087038510696 4.1724e-08  
a 2.003671574688962 8.3865e-09 au
q 1.258689043560628 8.1932e-08 au
i 7.012494036080278 5.9882e-06 deg
node 354.4543607896584 3.0007e-05 deg
peri 105.1920686630103 3.1626e-05 deg
M 319.6977637627339 8.5566e-06 deg
tp 2458716.475132151695
(2019-Aug-20.97513215)
2.5142e-05 TDB
period 1035.94865874972
2.84
6.504e-06
1.781e-08
d
yr
n .3475075689894533 2.1818e-09 deg/d
Q 2.748654105817297 1.1505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      9068 days (24.83 yr)  
   first obs. used      1993-10-09  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46574  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Aug-08 07:03:44  

Additional Information
 Earth MOID = .304978 au 
 Jupiter MOID = 2.46901 au 
 T_jup = 3.740 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456933.5 (2014-Oct-03.0) TDB
Reference: JPL 124 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3714872321810445 4.1744e-08  
q 1.259365146075271 8.1937e-08 au
tp 2456644.336409772277
(2013-Dec-17.83640977)
1.8275e-05 TDB
node 354.4962992394109 2.9993e-05 deg
peri 105.1785154117923 3.162e-05 deg
i 7.014142898801097 5.9888e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      9068 days (24.83 yr)  
   first obs. used      1993-10-09  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46574  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Aug-08 07:03:44  

Additional Information
 Jupiter MOID = 2.46901 au 
 T_jup = 3.740 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.742580665974259E-15 -3.414130813840452E-15 3.475107827679194E-13 -4.101442837154798E-14 1.167504524969053E-13 -3.836992340639892E-14
q -3.414130813840452E-15 6.713714596544822E-15 -6.697418193466789E-13 8.029636672756965E-14 -2.220692363569818E-13 7.50642927018003E-14
tp 3.475107827679194E-13 -6.697418193466789E-13 3.339648296695997E-10 -2.086622793731814E-11 1.852814418507923E-10 -1.509047521063777E-11
node -4.101442837154798E-14 8.029636672756965E-14 -2.086622793731814E-11 8.996043590606346E-10 -9.012975741764853E-10 -6.159396600540655E-11
peri 1.167504524969053E-13 -2.220692363569818E-13 1.852814418507923E-10 -9.012975741764853E-10 9.998279410966268E-10 5.579738126925801E-11
i -3.836992340639892E-14 7.50642927018003E-14 -1.509047521063777E-11 -6.159396600540655E-11 5.579738126925801E-11 3.586592234443909E-11

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 17.6   n/a MPO454851  
rotation period rot_per 19.696 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 113-124.]

249595 (1997 GH28)          Discovered 1997-Apr-13 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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