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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977277243337038 3.1537e-08  
a 2.37482452188596 8.4726e-09 au
q 1.905255873481573 7.2412e-08 au
i .450760243154404 4.1427e-06 deg
node 201.4284680992228 0.00044444 deg
peri 61.2003141989431 0.00044459 deg
M 44.06022228985891 1.2509e-05 deg
tp 2458836.897514602866
(2019-Dec-19.39751460)
4.5996e-05 TDB
period 1336.736214254739
3.66
7.1535e-06
1.959e-08
d
yr
n .269312670788012 1.4412e-09 deg/d
Q 2.844393170290347 1.0148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      9622 days (26.34 yr)  
   first obs. used      1994-07-08  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54557  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:26  

Additional Information
 Earth MOID = .889704 au 
 Jupiter MOID = 2.23082 au 
 T_jup = 3.515 
[ 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 16.2   n/a MPO432539  

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

[ 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
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 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:28 2020-Dec-18 04:28
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 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:28 2020-Dec-18 04:28

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