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74275 (1998 SB117)
Classification: Main-belt Asteroid          SPK-ID: 2074275
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 .2250326646481417 3.9069e-08  
a 2.79615573942467 2.0218e-08 au
q 2.166929362610741 1.1391e-07 au
i 6.555225558197445 5.1195e-06 deg
node 245.9072709424553 4.1561e-05 deg
peri 71.04727325808288 4.3536e-05 deg
M 266.0602416719241 1.5299e-05 deg
tp 2459446.143319049449
(2021-Aug-19.64331905)
7.5235e-05 TDB
period 1707.813578756603
4.68
1.8523e-05
5.071e-08
d
yr
n .2107958412311624 2.2863e-09 deg/d
Q 3.425382116238598 2.4767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      7883 days (21.58 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:03:57  

Additional Information
 Earth MOID = 1.1643 au 
 Jupiter MOID = 1.9299 au 
 T_jup = 3.280 
[ 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 14.8   n/a MPO436302  
diameter diameter 5.932 km 0.438 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74275 (1998 SB117)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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
1990-Dec-20 05:39 < 00:01 Jupiter 1.92639782090421 1.92639739266395 1.92639824914459 1.85155598444224 1.59651956693981 2448245.735435706 0.865045188661684 198.181482025202 41.5294018074967 -77.9748166378751 2700425.03030626 T 21 CATAB v2.0f-lin.ifort 2020-May-20 14:04:14 2020-May-20 14:04
2014-Feb-05 23:33 < 00:01 Jupiter 1.91593911546037 1.91593870614623 1.9159395247744 2.29911275600255 2.09803104207866 2456694.481269403 0.206433230955676 124.960627508166 17.7916433927104 -83.9920654846169 2513957.07628781 T 21 CATAB v2.0f-lin.ifort 2020-May-20 14:04:14 2020-May-20 14:04
2037-Mar-24 14:30 < 00:01 Jupiter 1.98337505444404 1.98337458914824 1.98337551973984 2.89797081632706 2.74665477761601 2465142.104422400 0.711248085316106 88.8646231266694 14.8461518872753 -84.5655976559756 2363894.54613991 T 21 CATAB v2.0f-lin.ifort 2020-May-20 14:04:14 2020-May-20 14:04
2145-Jul-17 17:50 00:04 Jupiter 1.97424694685198 1.97424582127687 1.97424807244751 1.63184643892109 1.34344754418872 2504703.243045591 3.93858379315671 450.376013177169 51.2967988200546 -73.3187406281113 2463436.97168316 T 21 CATAB v2.0f-lin.ifort 2020-May-20 14:04:14 2020-May-20 14:04
2168-Aug-28 23:25 00:05 Jupiter 1.92130041007574 1.92129995740912 1.92130086274258 1.97731685874755 1.74013333514709 2513146.475846995 4.55793199455045 201.18213246791 79.7221268563107 -60.1918925423526 1204265.84629981 T 21 CATAB v2.0f-lin.ifort 2020-May-20 14:04:14 2020-May-20 14:04
2191-Oct-16 05:55 00:05 Jupiter 1.95458866890452 1.9545875867671 1.9545897510494 2.54586395273775 2.36954040153051 2521594.746854485 5.31851708886261 254.146900019949 20.3034058588008 87.2745317923108 1157620.42532896 T 21 CATAB v2.0f-lin.ifort 2020-May-20 14:04:14 2020-May-20 14:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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