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212321 (2005 QQ126)
Classification: Main-belt Asteroid          SPK-ID: 2212321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587239018588674 7.8455e-08  
a 2.65170071038235 2.7517e-08 au
q 2.230812427068533 2.1874e-07 au
i 7.278870412121474 9.525e-06 deg
node 162.9782566071188 3.4128e-05 deg
peri 326.2835610738729 4.6542e-05 deg
M 14.41944951217462 2.5339e-05 deg
tp 2458937.327019949223
(2020-Mar-28.82701995)
0.0001112 TDB
period 1577.19424719217
4.32
2.455e-05
6.721e-08
d
yr
n .2282534320936669 3.5529e-09 deg/d
Q 3.072588993696167 3.1885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6184 days (16.93 yr)  
   first obs. used      2003-01-31  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 00:55:37  

Additional Information
 Earth MOID = 1.24944 au 
 Jupiter MOID = 1.98757 au 
 T_jup = 3.361 
[ show covariance matrix ]

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 16.5   n/a MPO454524  

212321 (2005 QQ126)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ 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
2009-Sep-04 09:46 < 00:01 Jupiter 1.99205999485118 1.99205926748742 1.99206072221472 2.69563451396924 2.53299167635033 2455078.907165508 0.333378467030748 87.2060328334395 16.2226801607861 78.7177378952775 1258635.1407575 T 14 CATAB v2.0f-lin.ifort 2020-Jan-30 00:55:50 2020-Jan-30 00:55
2057-Apr-08 11:41 00:02 Jupiter 1.99083308176521 1.99083234853603 1.99083381499474 2.76910161590631 2.61093873426137 2472461.987116958 1.88806843055418 158.58368684981 25.661196945158 89.1513190914006 1209611.44721678 T 14 CATAB v2.0f-lin.ifort 2020-Jan-30 00:55:50 2020-Jan-30 00:55
2104-Nov-11 19:24 00:04 Jupiter 1.98901017900657 1.98900936737379 1.98901099064264 2.8371909887231 2.68289958094363 2489845.308468651 3.87720633261728 297.294823410131 27.1944830848606 -89.5224345821276 1226108.65411753 T 14 CATAB v2.0f-lin.ifort 2020-Jan-30 00:55:50 2020-Jan-30 00:55
2152-Jun-16 12:40 00:06 Jupiter 1.9856263013504 1.98562521738976 1.98562738533169 2.89774990939536 2.74659799248202 2507229.028001121 5.88708963930223 454.803768883883 27.0532337688714 88.8267486758697 1239001.18809809 T 14 CATAB v2.0f-lin.ifort 2020-Jan-30 00:55:50 2020-Jan-30 00:55
2200-Jan-19 14:00 00:08 Jupiter 1.98815785444287 1.98815622695132 1.98815948199082 2.96070786022695 2.81313408196468 2524612.083476621 7.92134522468928 617.540595555359 26.9292766922239 86.8986393252369 1260199.38763446 T 14 CATAB v2.0f-lin.ifort 2020-Jan-30 00:55:50 2020-Jan-30 00:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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