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101176 (1998 SE7)
Classification: Main-belt Asteroid          SPK-ID: 2101176
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976098566824286 3.14e-08  
a 2.374236547418314 8.3952e-09 au
q 1.905064003552797 7.1984e-08 au
i .4508405490519868 4.139e-06 deg
node 201.4236943992039 0.0004354 deg
peri 61.14568668481203 0.00043556 deg
M 98.00331820988241 1.2669e-05 deg
tp 2458836.733513522405
(2019-Dec-19.23351352)
4.6007e-05 TDB
period 1336.239808242829
3.66
7.0874e-06
1.94e-08
d
yr
n .2694127190189044 1.429e-09 deg/d
Q 2.843409091283831 1.0054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      9678 days (26.50 yr)  
   first obs. used      1994-07-08  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:27:25  

Additional Information
 Earth MOID = .887796 au 
 Jupiter MOID = 2.23059 au 
 T_jup = 3.516 
[ 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 16.27   n/a E2021B55  

101176 (1998 SE7)          Discovered 1998-Sep-20 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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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
1976-Jun-11 09:37 < 00:01 Hebe 0.0374542970300588 0.037452421580619 0.0374561729066562 8.71074003313816 8.71074001408352 2442940.900421466 0.367068813085956 235.86577434736 36.4268438238314 -68.3076463010245 143172.33684355 T 22 CATAB v2.0f-lin.ifort 2021-Feb-24 08:27:27 2021-Feb-24 08:27
2009-Aug-27 01:11 < 00:01 Juno 0.0185337798096146 0.0185330183716913 0.0185345412475652 9.51025513743885 9.51025506841649 2455070.549386573 0.154250392706221 57.0847195109965 37.9501982402311 -88.6612203983254 73032.5047657279 T 22 CATAB v2.0f-lin.ifort 2021-Feb-24 08:27:27 2021-Feb-24 08:27

Alternate Designations
 1998 SE7 = 1994 NA3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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