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173139 (1995 SO16)
Classification: Main-belt Asteroid          SPK-ID: 2173139
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054875554526885 4.8602e-08  
a 2.428249539933726 8.6297e-09 au
q 1.929274477943629 1.1654e-07 au
i .2716833765776248 3.9187e-06 deg
node 298.3418533125062 0.001076 deg
peri 77.05600486775838 0.0010761 deg
M 174.5212980929683 9.9908e-06 deg
tp 2458330.485296512373
(2018-Jul-30.98529651)
3.7543e-05 TDB
period 1382.096603057894
3.78
7.3677e-06
2.017e-08
d
yr
n .2604738331629631 1.3885e-09 deg/d
Q 2.927224601923823 1.0403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      9006 days (24.66 yr)  
   first obs. used      1995-08-25  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:24:31  

Additional Information
 Earth MOID = .930443 au 
 Jupiter MOID = 2.53767 au 
 T_jup = 3.480 
[ 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 16.9   n/a MPO310312  

173139 (1995 SO16)          Discovered 1995-Sep-18 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ 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
1928-Oct-19 17:47 < 00:01 Hebe 0.0435525297466441 0.0435440216789752 0.0435610408318968 4.54645474054674 4.54645470915096 2425539.240802766 0.568329415601365 714.372971108539 46.3995249446608 53.7435060648911 113301.938883063 T 18 CATAB v2.0f-lin.ifort 2020-May-21 03:24:55 2020-May-21 03:25
1931-Feb-04 08:08 00:02 Hebe 0.0486913682379295 0.0486764329441423 0.0487063049189464 5.69089794693367 5.69089792449874 2426376.839201405 1.67781250184483 850.228819632954 46.1619808464604 28.9155570349323 76638.9017257682 T 18 CATAB v2.0f-lin.ifort 2020-May-21 03:24:55 2020-May-21 03:25
1932-Jul-30 23:03 < 00:01 Hebe 0.0338410967062298 0.0338387832811471 0.0338434146411998 4.54332972332367 4.5433296828904 2426919.460232268 0.596218076317678 681.919574308918 46.2577520902163 -81.058649337674 108063.968560787 T 18 CATAB v2.0f-lin.ifort 2020-May-21 03:24:55 2020-May-21 03:25
1934-Nov-18 20:53 00:02 Hebe 0.0213668700148776 0.0213649682123211 0.0213687812359912 5.67772252154931 5.67772247030538 2427760.370239524 1.51080500073918 813.220940713422 45.9063975775093 84.1171811167745 69240.3620354716 T 18 CATAB v2.0f-lin.ifort 2020-May-21 03:24:55 2020-May-21 03:25
1936-May-10 11:23 < 00:01 Hebe 0.047697083390113 0.047687209231015 0.0477069590819544 4.54817755009197 4.54817752143513 2428298.974319634 0.638077688191794 652.256805260544 45.6487815234793 -41.1330674529966 103100.12397462 T 18 CATAB v2.0f-lin.ifort 2020-May-21 03:24:55 2020-May-21 03:25
1938-Aug-31 04:20 00:01 Hebe 0.040540967219307 0.0405273113632708 0.0405546244367568 5.69831750336906 5.69831747645887 2429141.680669007 1.35423315199236 775.41122739869 45.9219660834148 -28.656384099424 63683.2681080078 T 18 CATAB v2.0f-lin.ifort 2020-May-21 03:24:55 2020-May-21 03:25
2142-Oct-09 13:21 00:04 Thisb 0.0377704937286355 0.037751783652166 0.0377892115245854 3.42498220170527 3.42498214899882 2503691.055989201 4.3071507521579 1263.76802573942 61.879188324468 42.504467267551 61735.3962414592 T 18 CATAB v2.0f-lin.ifort 2020-May-21 03:24:55 2020-May-21 03:25

Alternate Designations
 1995 SO16 = 1999 VQ63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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