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26996 (1997 YH3)
Classification: Main-belt Asteroid          SPK-ID: 2026996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722122501713932 5.0819e-08  
a 2.596641537943844 9.984e-09 au
q 2.149468055806028 1.2884e-07 au
i 2.09428072050503 4.0436e-06 deg
node 323.999964443165 0.00011032 deg
peri 33.34542259554143 0.00011087 deg
M 165.6379379303336 1.3015e-05 deg
tp 2458297.308291019332
(2018-Jun-27.80829102)
5.3556e-05 TDB
period 1528.327497891899
4.18
8.8146e-06
2.413e-08
d
yr
n .2355516082099985 1.3585e-09 deg/d
Q 3.043815020081661 1.1703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1505  
   data-arc span      8200 days (22.45 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:25:50  

Additional Information
 Earth MOID = 1.14571 au 
 Jupiter MOID = 2.40405 au 
 T_jup = 3.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456625.5 (2013-Nov-29.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715090954605346 5.076e-08  
q 2.151698691745188 1.2864e-07 au
tp 2456763.352947334705
(2014-Apr-15.85294733)
5.0927e-05 TDB
node 324.1804984926345 0.00010976 deg
peri 32.25088642469502 0.00011034 deg
i 2.101586176930847 4.0485e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1505  
   data-arc span      8200 days (22.45 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:25:50  

Additional Information
 Jupiter MOID = 2.40405 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.57659794989682E-15 -6.518717636008435E-15 7.877955349694284E-13 3.09382587905615E-15 5.865409356097322E-14 -1.297162532059433E-15
q -6.518717636008435E-15 1.65494712868412E-14 -1.928989899135958E-12 -8.283939487752953E-15 -1.345953306998977E-13 3.285374227996945E-15
tp 7.877955349694284E-13 -1.928989899135958E-12 2.59351957482616E-9 -7.71110444364921E-12 5.824718850968195E-10 -1.460512144369266E-12
node 3.09382587905615E-15 -8.283939487752953E-15 -7.71110444364921E-12 1.204718849934142E-8 -1.204068830092568E-8 3.196995160202208E-11
peri 5.865409356097322E-14 -1.345953306998977E-13 5.824718850968195E-10 -1.204068830092568E-8 1.217550507661378E-8 -3.223145846442809E-11
i -1.297162532059433E-15 3.285374227996945E-15 -1.460512144369266E-12 3.196995160202208E-11 -3.223145846442809E-11 1.639019984311825E-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 14.5   n/a MPO459045  

26996 (1997 YH3)          Discovered 1997-Dec-16 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 YH3 = 1999 CQ29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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