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187777 (1998 SZ70)
Classification: Main-belt Asteroid          SPK-ID: 2187777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2816062878690644 5.0217e-08  
a 3.119942247124517 2.2491e-08 au
q 2.241346892545915 1.542e-07 au
i 15.86957217626548 9.6167e-06 deg
node 26.46389446330379 1.4598e-05 deg
peri 297.6247573675132 2.2604e-05 deg
M 45.59946287539854 1.464e-05 deg
tp 2458945.537983372223
(2020-Apr-06.03798337)
8.1683e-05 TDB
period 2012.881735839909
5.51
2.1765e-05
5.959e-08
d
yr
n .1788480632468872 1.9339e-09 deg/d
Q 3.998537601703119 2.8824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      10869 days (29.76 yr)  
   first obs. used      1991-04-10  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54966  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:48  

Additional Information
 Earth MOID = 1.2792 au 
 Jupiter MOID = 1.69858 au 
 T_jup = 3.097 
[ 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 15.32   n/a E2021B55  

187777 (1998 SZ70)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ 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
1957-Aug-14 11:35 00:02 Jupiter 1.8845769925078 1.88457540088479 1.88457858416102 3.94361178835483 3.82794652434741 2436064.982488983 2.03551070290732 464.546482003413 31.5311753086916 81.9229205485333 1199377.2612231 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:49 2021-Apr-13 21:56
1967-Dec-12 19:43 00:02 Jupiter 1.72985879042954 1.72985751885945 1.72986006199923 2.38494198861629 2.16994275939461 2439837.321603584 2.09271401621469 220.765185418973 64.1180445487002 76.7934089710018 823023.812952148 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:49 2021-Apr-13 21:56
2040-Jun-06 00:04 < 00:01 Jupiter 1.78710850613528 1.78710741900815 1.78710959327054 3.77054857209962 3.64267915514948 2466311.502485439 0.883496016692716 280.900397497022 26.2895509712389 81.5057464950347 1292945.16350766 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:49 2021-Apr-13 21:56
2050-Sep-22 20:11 00:02 Jupiter 1.76797053832932 1.7679689545031 1.76797212215483 2.13266186544725 1.89474547203864 2470072.341076798 1.88622767705443 365.523572608533 75.0062537569282 70.2384209962322 1106513.88820245 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:49 2021-Apr-13 21:56
2123-Mar-30 23:43 00:04 Jupiter 1.71132517912054 1.71132352742812 1.71132683084428 3.6454163226056 3.50701549680661 2496558.488521729 3.55125129078366 430.408144794993 25.8786261013714 81.0559892828969 1143178.77577789 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:49 2021-Apr-13 21:56
2133-Jun-19 15:22 00:07 Jupiter 1.84048109445518 1.84047804019032 1.84048414967113 1.67816590785775 1.37688228726522 2500292.140195286 6.7138817675981 3067.36131614913 90.8822013018725 68.3819407334908 1370447.37141722 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:49 2021-Apr-13 21:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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