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79452 (1997 WA13)
Classification: Main-belt Asteroid          SPK-ID: 2079452
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639725846711917 4.8815e-08  
a 2.880365706420416 2.2674e-08 au
q 2.408064696740398 1.3349e-07 au
i 7.956568197033961 6.5805e-06 deg
node 228.3274176703478 4.1438e-05 deg
peri 222.1848669669236 4.7199e-05 deg
M 192.4903403999199 2.6277e-05 deg
tp 2459831.320548986000
(2022-Sep-08.82054899)
0.00013642 TDB
period 1785.541194155809
4.89
2.1083e-05
5.772e-08
d
yr
n .2016195432389368 2.3806e-09 deg/d
Q 3.352666716100435 2.6391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      7859 days (21.52 yr)  
   first obs. used      1997-11-23  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:40:56  

Additional Information
 Earth MOID = 1.43126 au 
 Jupiter MOID = 1.91634 au 
 T_jup = 3.260 
[ 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 15.7   n/a MPO436336  

79452 (1997 WA13)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ 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
1912-Dec-17 08:05 00:03 Jupiter 1.93982330334128 1.93982269989153 1.93982390679168 2.70458617700881 2.53800862088928 2419753.836757567 3.49095114306698 187.532887302448 19.4571605218028 89.4854210159012 1603377.00507719 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 18:41:12 2020-Feb-23 18:41
1937-Dec-10 02:01 00:03 Jupiter 1.960655499025 1.9606544371181 1.96065656093391 2.22798182148786 2.02481684814933 2428877.583861711 2.77994425990962 188.273952953404 30.3277119782452 86.9908812632556 1848832.54401845 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 18:41:12 2020-Feb-23 18:41
1995-Sep-17 01:28 < 00:01 Jupiter 1.98746449753991 1.98746401297759 1.98746498210212 2.90163890488221 2.7508441262995 2449977.561413355 0.727338444013207 105.53592895907 18.6691370009635 88.3756948121248 2443591.12595248 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 18:41:12 2020-Feb-23 18:41
2020-Sep-04 01:29 < 00:01 Jupiter 1.92674008445618 1.92673941634033 1.92674075257203 2.16594399512499 1.95245608577277 2459096.561630133 0.337011830529514 110.733481270111 32.5973211060799 89.4419160137489 1968497.37635757 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 18:41:12 2020-Feb-23 18:41
2103-Jun-01 18:37 00:03 Jupiter 1.9220740991528 1.92207348089791 1.92207471740802 2.24811264813666 2.04270591600241 2489316.275791322 3.11713358954561 125.313409754766 38.9298406362769 84.1436938373961 1458721.21019207 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 18:41:12 2020-Feb-23 18:41
2186-Feb-26 12:31 00:06 Jupiter 1.92808944385992 1.92808837767769 1.92809051004151 2.39211487257167 2.20081808930281 2519537.021772117 5.93547339329445 145.244810353286 32.1801516061504 -84.032624494407 764747.309503876 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 18:41:12 2020-Feb-23 18:41

Alternate Designations
 1997 WA13 = 2002 UO22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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