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215957 (2005 NT55)
Classification: Main-belt Asteroid          SPK-ID: 2215957
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2470738984021313 4.3166e-08  
a 2.698097544821337 1.584e-08 au
q 2.03146806615311 1.1901e-07 au
i 12.18979021917586 5.4975e-06 deg
node 224.1227571833129 2.1074e-05 deg
peri 62.98908908130043 2.4316e-05 deg
M 143.3530762862711 1.1148e-05 deg
tp 2458355.901317746479
(2018-Aug-25.40131775)
4.7739e-05 TDB
period 1618.769067416878
4.43
1.4255e-05
3.903e-08
d
yr
n .2223912028257765 1.9584e-09 deg/d
Q 3.364727023489564 1.9753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      6686 days (18.31 yr)  
   first obs. used      2001-10-07  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:29:15  

Additional Information
 Earth MOID = 1.04881 au 
 Jupiter MOID = 1.90512 au 
 T_jup = 3.293 
[ 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 16.0   n/a MPO433413  

215957 (2005 NT55)          Discovered 2005-Jul-11 by Lowe, A. at Mayhill
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ 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
1918-Aug-18 03:00 00:03 Jupiter 1.90641420786008 1.90641343222591 1.90641498350264 2.89430222329786 2.73649091809366 2421823.624898196 2.5843490160804 320.862428758069 38.9956053731015 82.4441498697903 1535089.69655326 T 19 CATAB v2.0f-lin.ifort 2020-Feb-25 03:29:31 2020-Feb-25 03:29
1953-Dec-16 11:29 00:02 Jupiter 1.88682784644173 1.8868273434333 1.88682834945016 3.14678299165646 3.00073593836769 2434727.978320420 1.583738468787 248.522230190741 24.8200582302207 88.7930198850936 1759127.25714977 T 19 CATAB v2.0f-lin.ifort 2020-Feb-25 03:29:31 2020-Feb-25 03:29
1989-Apr-16 07:20 < 00:01 Jupiter 1.89303955537852 1.89303902118852 1.89304008956939 3.39520411660424 3.26075605428635 2447632.805547567 0.69681284915063 149.577706484892 18.774374088928 -85.2329490718405 1979682.68906777 T 19 CATAB v2.0f-lin.ifort 2020-Feb-25 03:29:31 2020-Feb-25 03:29
2024-Aug-13 17:58 < 00:01 Jupiter 1.93380387673541 1.93380334461954 1.93380440885161 3.65185618862131 3.52987770929453 2460536.248407868 0.291571269877055 97.4884818299686 18.3597984546044 -81.3280202535557 2292003.62063769 T 19 CATAB v2.0f-lin.ifort 2020-Feb-25 03:29:31 2020-Feb-25 03:29
2059-Dec-05 11:52 00:01 Jupiter 1.99681450962097 1.9968137659736 1.99681525327095 3.94287261723142 3.83378021235968 2473432.994226968 1.08749453544807 156.647522596503 19.3699012580637 -80.011838839339 2260792.1381958 T 19 CATAB v2.0f-lin.ifort 2020-Feb-25 03:29:31 2020-Feb-25 03:29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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