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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722122510591881 5.0823e-08  
a 2.596641536447019 1.0093e-08 au
q 2.149468052261689 1.2887e-07 au
i 2.09428071472141 4.0456e-06 deg
node 323.9999664108318 0.00011649 deg
peri 33.34542419471907 0.00011706 deg
M 165.637935605447 1.3192e-05 deg
tp 2458297.308301497328
(2018-Jun-27.80830150)
5.4433e-05 TDB
period 1528.3274965704
4.18
8.9106e-06
2.44e-08
d
yr
n .2355516084136729 1.3733e-09 deg/d
Q 3.043815020632349 1.1831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1425  
   data-arc span      8132 days (22.26 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:55:21  

Additional Information
 Earth MOID = 1.14571 au 
 Jupiter MOID = 2.40405 au 
 T_jup = 3.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456488.5 (2013-Jul-15.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715882268171212 5.0754e-08  
q 2.151685916430579 1.2868e-07 au
tp 2456763.307921571824
(2014-Apr-15.80792157)
5.2108e-05 TDB
node 324.1827524053768 0.00011592 deg
peri 32.23675080174613 0.00011651 deg
i 2.101448660692037 4.0504e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1425  
   data-arc span      8132 days (22.26 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:55:21  

Additional Information
 Jupiter MOID = 2.40405 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.575925464520329E-15 -6.519364111226355E-15 7.926361687682373E-13 6.310817159106867E-15 5.695213627571346E-14 -1.313022891860274E-15
q -6.519364111226355E-15 1.655829648577954E-14 -1.954608032256408E-12 -1.645620399793638E-14 -1.34140222436924E-13 3.329830229421673E-15
tp 7.926361687682373E-13 -1.954608032256408E-12 2.715266650399147E-9 -8.363039405727572E-12 6.202488256760953E-10 -1.534289115833268E-12
node 6.310817159106867E-15 -1.645620399793638E-14 -8.363039405727572E-12 1.343719888469754E-8 -1.343006160661946E-8 2.770551112609938E-11
peri 5.695213627571346E-14 -1.34140222436924E-13 6.202488256760953E-10 -1.343006160661946E-8 1.357556068506863E-8 -2.799196424244435E-11
i -1.313022891860274E-15 3.329830229421673E-15 -1.534289115833268E-12 2.770551112609938E-11 -2.799196424244435E-11 1.640541295419706E-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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