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175777 (1999 CH93)
Classification: Main-belt Asteroid          SPK-ID: 2175777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194594224750121 5.3135e-08  
a 2.650888394220421 1.7896e-08 au
q 2.334214797601137 1.4255e-07 au
i 3.190624051003779 5.8745e-06 deg
node 2.13180027882953 7.8122e-05 deg
peri 155.7824440678829 8.0852e-05 deg
M 9.773256949743939 2.1755e-05 deg
tp 2459157.702105015295
(2020-Nov-04.20210502)
9.5078e-05 TDB
period 1576.469571374321
4.32
1.5964e-05
4.371e-08
d
yr
n .2283583562517875 2.3124e-09 deg/d
Q 2.967561990839704 2.0034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:46  

Additional Information
 Earth MOID = 1.34347 au 
 Jupiter MOID = 2.013 au 
 T_jup = 3.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456844.5 (2014-Jul-06.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194077630681036 5.3442e-08  
q 2.334419467091736 1.4339e-07 au
tp 2457583.988224739550
(2016-Jul-14.48822474)
8.8936e-05 TDB
node 2.16262919451084 7.8062e-05 deg
peri 156.338167726449 8.0749e-05 deg
i 3.192668012088253 5.875e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:46  

Additional Information
 Jupiter MOID = 2.013 au 
 T_jup = 3.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.856082027835247E-15 -7.617550707001963E-15 1.035110130363961E-12 -2.225146142374679E-14 3.519030449754005E-13 -1.622424458354563E-15
q -7.617550707001963E-15 2.056099486765677E-14 -2.362062470444487E-12 5.767266409711458E-14 -8.765136308047522E-13 4.753160554235032E-15
tp 1.035110130363961E-12 -2.362062470444487E-12 7.909660659997807E-9 -2.149831994443963E-11 1.835860205201885E-9 1.992304549243675E-12
node -2.225146142374679E-14 5.767266409711458E-14 -2.149831994443963E-11 6.093675131907268E-9 -6.089181229883274E-9 6.667477526140415E-12
peri 3.519030449754005E-13 -8.765136308047522E-13 1.835860205201885E-9 -6.089181229883274E-9 6.520463025119969E-9 -6.290514748503747E-12
i -1.622424458354563E-15 4.753160554235032E-15 1.992304549243675E-12 6.667477526140415E-12 -6.290514748503747E-12 3.451610375581484E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO412977  

175777 (1999 CH93)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 1999 CH93 = 2001 SQ331 = 2002 XG113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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