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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1193004107111224 4.7888e-08  
a 2.65033845454315 1.4094e-08 au
q 2.334151988392671 1.2374e-07 au
i 3.190764447993745 5.6476e-06 deg
node 2.132335004088855 7.0045e-05 deg
peri 155.7336073842487 7.2946e-05 deg
M 54.58843977954734 2.008e-05 deg
tp 2459157.527121578937
(2020-Nov-04.02712158)
8.7384e-05 TDB
period 1575.979027409674
4.31
1.2572e-05
3.442e-08
d
yr
n .2284294357595016 1.8222e-09 deg/d
Q 2.966524920693629 1.5776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:29:21  

Additional Information
 Earth MOID = 1.34444 au 
 Jupiter MOID = 2.01344 au 
 T_jup = 3.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457215.5 (2015-Jul-12.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119650481030454 4.8243e-08  
q 2.333050954002206 1.2479e-07 au
tp 2457584.186622346120
(2016-Jul-14.68662235)
8.3893e-05 TDB
node 2.162888558255189 6.999e-05 deg
peri 156.4449711772761 7.2812e-05 deg
i 3.192925276759929 5.6482e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:29:21  

Additional Information
 Jupiter MOID = 2.01344 au 
 T_jup = 3.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.327396642510239E-15 -5.993176807963521E-15 1.691542426096428E-12 -7.089967130531934E-15 4.230495163096633E-13 -1.506818252153211E-15
q -5.993176807963521E-15 1.557185367798938E-14 -4.37629192369444E-12 1.803902289933116E-14 -1.101576349799129E-12 4.074005889588854E-15
tp 1.691542426096428E-12 -4.37629192369444E-12 7.038002378345483E-9 -6.649511292230767E-14 1.6951650948806E-9 -1.292892765680962E-13
node -7.089967130531934E-15 1.803902289933116E-14 -6.649511292230767E-14 4.898553240287329E-9 -4.890539632586471E-9 6.138890105979459E-11
peri 4.230495163096633E-13 -1.101576349799129E-12 1.6951650948806E-9 -4.890539632586471E-9 5.301642697263733E-9 -6.133334837872727E-11
i -1.506818252153211E-15 4.074005889588854E-15 -1.292892765680962E-13 6.138890105979459E-11 -6.133334837872727E-11 3.190163279523697E-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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