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136819 (1997 MG7)
Classification: Main-belt Asteroid          SPK-ID: 2136819
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793964994579532 3.4995e-08  
a 2.590940284883782 1.5083e-08 au
q 2.12613466747104 8.991e-08 au
i 8.964609034997929 6.4161e-06 deg
node 222.9787345606831 3.544e-05 deg
peri 49.96179594547495 4.1767e-05 deg
M 198.6668291417386 2.3491e-05 deg
tp 2459683.161956518776
(2022-Apr-13.66195652)		 0.00010253 TDB
period 1523.296808953624
4.17		 1.3302e-05
3.642e-08		 d
yr
n .236329517585801 2.0636e-09 deg/d
Q 3.055745902296525 1.7789e-08 au
   Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      8220 days (22.51 yr)  
   first obs. used      1997-06-26  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:49:43  

Additional Information
 Earth MOID = 1.12304 au 
 Jupiter MOID = 2.06768 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456785.5 (2014-May-08.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180333989632218 3.4852e-08  
q 2.123129013949938 8.9516e-08 au
tp 2456638.381939802439
(2013-Dec-11.88193980)		 9.0502e-05 TDB
node 223.0191272917606 3.5474e-05 deg
peri 50.12914113097359 4.1768e-05 deg
i 8.961322304835486 6.4163e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      8220 days (22.51 yr)  
   first obs. used      1997-06-26  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:49:43  

Additional Information
 Jupiter MOID = 2.06768 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.214653491579485E-15 -3.090811210676961E-15 -9.151471177043904E-14 1.508683231365374E-15 -3.873080903945983E-14 -7.394344841835449E-16
q -3.090811210676961E-15 8.013127250239548E-15 5.842231372674342E-13 3.330014307067609E-16 1.828109672124323E-13 8.640452033207617E-16
tp -9.151471177043904E-14 5.842231372674342E-13 8.190538714054486E-9 3.047373756190763E-11 2.032118293371412E-9 -1.718190463596458E-11
node 1.508683231365374E-15 3.330014307067609E-16 3.047373756190763E-11 1.258401437202024E-9 -1.23492538602178E-9 -1.177501647276739E-10
peri -3.873080903945983E-14 1.828109672124323E-13 2.032118293371412E-9 -1.23492538602178E-9 1.74453918115953E-9 1.120508845110715E-10
i -7.394344841835449E-16 8.640452033207617E-16 -1.718190463596458E-11 -1.177501647276739E-10 1.120508845110715E-10 4.116896168133583E-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 16.3   n/a MPO453850  

136819 (1997 MG7)          Discovered 1997-Jun-26 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2146-Feb-12 19:30 00:03 Eunom 0.0403806932010496 0.0403682178934281 0.0403931954601972 6.70459735591438 6.70459730406454 2504913.312696171 3.04301789928248 1775.98614428856 93.5259542581201 -69.695585766339 60564.743961042 T 14 CATAB v2.0f-lin.ifort 2020-Nov-12 15:49:44 2020-Nov-12 15:49

Alternate Designations
 1997 MG7 = 2005 LT7 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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