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212315 (2005 QZ55)
Classification: Main-belt Asteroid          SPK-ID: 2212315
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575122303242945 4.7492e-08  
a 3.105934182868418 3.2428e-08 au
q 2.616711562484348 1.5919e-07 au
i 13.68574462369962 5.0529e-06 deg
node 167.7096523373785 2.2018e-05 deg
peri 163.089117103413 2.9377e-05 deg
M 266.1024854026859 2.2573e-05 deg
tp 2459521.980887205996
(2021-Nov-03.48088721)
0.00013071 TDB
period 1999.340666249419
5.47
3.1312e-05
8.573e-08
d
yr
n .1800593596064482 2.8199e-09 deg/d
Q 3.595156803252488 3.7536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      8532 days (23.36 yr)  
   first obs. used      1997-03-12  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:01:50  

Additional Information
 Earth MOID = 1.60997 au 
 Jupiter MOID = 1.83625 au 
 T_jup = 3.158 
[ 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 14.9   n/a MPO433387  
diameter diameter 3.727 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212315 (2005 QZ55)          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
1909-Aug-12 10:42 00:05 Jupiter 1.93210782556004 1.93210599492903 1.93210965623574 3.90628330897598 3.79239545949599 2418530.945766830 4.9428678334284 497.654589508226 22.3078899070637 -80.4771327970497 2880692.26020794 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
1919-Oct-25 21:41 00:05 Jupiter 1.90570002513621 1.90569864238819 1.9057014078902 2.84683025088585 2.68616951222105 2422257.403662126 5.06447871383065 208.088201818586 42.5046315796983 63.8707709343979 1777878.2158415 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
1991-Jun-16 01:59 00:01 Jupiter 1.85652815140552 1.85652756737872 1.85652873543263 3.26967289184104 3.12702425621741 2448423.582725546 1.23201379282891 116.168837963351 25.3987437898326 83.4997244254304 2578307.8067713 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
2063-Jan-24 10:09 00:02 Jupiter 1.84389213397807 1.84389163447604 1.84389263348051 3.57387754391465 3.44294458839311 2474578.922749604 2.2196686045449 224.564494475433 21.8005645466457 -89.9185042408855 2626302.27139681 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
2134-Aug-31 11:05 00:05 Jupiter 1.86619680521381 1.86619562827628 1.86619798220576 3.76576413389473 3.64324400723873 2500729.961771549 5.4540965855452 562.394334234667 21.2143840508378 -85.1696145907098 2769130.86775292 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01
2144-Oct-31 04:56 00:07 Jupiter 1.96828107832109 1.96827901570534 1.96828314093864 2.80257571651867 2.64457148365113 2504443.705797494 7.07495820858069 150.751131286352 73.4150021086325 21.7955028105361 1235479.45427524 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 04:01:51 2020-Nov-12 04:01

Alternate Designations
 2005 QZ55 = 2004 LS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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