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JPL Small-Body Database Browser
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52169 (1494 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2052169
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01251246120808288 3.4872e-08  
a 2.579858791826308 1.263e-08 au
q 2.54757840877125 8.9747e-08 au
i 1.554399071324991 3.8448e-06 deg
node 74.18535479623731 0.00013457 deg
peri 146.9039698699519 0.00020401 deg
M 237.598515989109 0.00015545 deg
tp 2459515.107975537242
(2021-Oct-27.60797554)
0.00065465 TDB
period 1513.534518723017
4.14
1.1114e-05
3.043e-08
d
yr
n .2378538418163963 1.7466e-09 deg/d
Q 2.612139174881367 1.2788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      16892 days (46.25 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:23:04  

Additional Information
 Earth MOID = 1.53709 au 
 Jupiter MOID = 2.34604 au 
 T_jup = 3.425 
[ 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 15.5   n/a MPO452879  

52169 (1494 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/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
2014-Dec-13 21:17 00:02 Psych 0.0415043632741033 0.0415034659667759 0.0415052605819339 2.14537861945278 2.1453784835728 2457005.386835825 1.73801124159878 89.9894502193881 44.4233159352684 86.9171158775222 139180.677018718 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 10:23:20 2020-Feb-23 10:23
2132-Oct-22 02:39 00:03 Hebe 0.0404050569179189 0.0403954674298052 0.0404146517667957 5.68751882761469 5.68751880056271 2500051.610533665 2.68122319974482 878.13570185749 42.2551606884142 57.1110734511475 120139.496521255 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 10:23:20 2020-Feb-23 10:23
2184-Nov-21 04:43 00:18 Psych 0.0283057375445708 0.0282995858594895 0.0283119059220494 2.15848390988186 2.15848371185236 2519074.696714988 17.7822707618043 1133.33545289942 43.2521428199906 -74.5004959306196 94055.8991513091 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 10:23:20 2020-Feb-23 10:23

Alternate Designations
 1494 T-2 = 1992 DP6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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