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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2471133710098348 4.3557e-08  
a 2.697199423096064 1.5995e-08 au
q 2.030685381369014 1.2025e-07 au
i 12.19224770253263 5.5307e-06 deg
node 224.125136614769 2.1936e-05 deg
peri 62.90526205658785 2.5221e-05 deg
M 54.47040582519295 1.0875e-05 deg
tp 2458355.691707813397
(2018-Aug-25.19170781)
4.8079e-05 TDB
period 1617.960869797958
4.43
1.4392e-05
3.94e-08
d
yr
n .2225022908279326 1.9792e-09 deg/d
Q 3.363713464823114 1.9947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      6625 days (18.14 yr)  
   first obs. used      2001-10-07  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52765  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:01:31  

Additional Information
 Earth MOID = 1.04745 au 
 Jupiter MOID = 1.90442 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 1.90641419465636 1.90641340941529 1.90641497990588 2.89430055248704 2.73648914980391 2421823.625085901 2.60782630198738 322.698234455981 39.3412932239684 82.3872324638664 1532852.52495216 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 17:01:42 2019-Dec-04 17:01
1953-Dec-16 11:29 00:02 Jupiter 1.886827780239 1.88682726907619 1.88682829140181 3.146781499461 3.00073436829741 2434727.978444833 1.5963191448397 249.459704952485 25.2326052093836 88.7237265231145 1756034.50986452 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 17:01:42 2019-Dec-04 17:01
1989-Apr-16 07:20 < 00:01 Jupiter 1.89303946861657 1.89303892853899 1.8930400086949 3.39520273520147 3.26075460963624 2447632.805619505 0.699362317985258 149.950589415819 19.2921145929873 -85.3461549362712 1975266.35706987 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 17:01:42 2019-Dec-04 17:01
2024-Aug-13 17:58 < 00:01 Jupiter 1.9338038051265 1.93380326238484 1.93380434786849 3.65185509472518 3.52987657300278 2460536.248413434 0.305969384208137 100.092966831547 18.8504209992878 -81.4982329966654 2269423.11228189 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 17:01:42 2019-Dec-04 17:01
2059-Dec-05 11:52 00:01 Jupiter 1.99681448441925 1.99681371371155 1.99681525512979 3.9428717902396 3.83377936043889 2473432.994170154 1.11275633538128 161.21379772016 19.890012307871 -79.8932883268964 2229301.96036989 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 17:01:42 2019-Dec-04 17:01
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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