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52160 (4229 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2052160
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1804794636046142 3.2764e-08  
a 2.411414335479167 7.5264e-09 au
q 1.97620356968341 7.7981e-08 au
i 5.237997086677533 3.083e-06 deg
node 163.3304203422764 3.7716e-05 deg
peri 83.27396795203845 3.9302e-05 deg
M 102.9897298649278 8.8238e-06 deg
tp 2459005.211032772785
(2020-Jun-04.71103277)
3.4112e-05 TDB
period 1367.748302539896
3.74
6.4034e-06
1.753e-08
d
yr
n .2632063219025631 1.2323e-09 deg/d
Q 2.846625101274925 8.8847e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      18067 days (49.46 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:20  

Additional Information
 Earth MOID = .971454 au 
 Jupiter MOID = 2.19121 au 
 T_jup = 3.491 
[ 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 15.99   n/a E2021B10  
diameter diameter 2.919 km 0.651 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 5.33 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.081   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

52160 (4229 T-1)          Discovered 1971-Mar-26 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
1905-Mar-14 20:14 00:02 Psych 0.00379909324244876 0.00379105864059641 0.00380714736121781 4.3246253129274 4.32462457650878 2416919.343075105 2.19065121532267 588.726243647281 39.9527599299587 47.2332189078739 10452.4624773006 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 10:43:23 2021-Apr-13 10:43
1950-Feb-02 03:53 < 00:01 Amphi 0.0162286734276562 0.0162248860248541 0.0162324633843017 6.01894535155852 6.01894529270538 2433314.661833849 0.365225934068603 377.287134720392 34.9576906941025 60.388190397292 60445.5481251177 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 10:43:23 2021-Apr-13 10:43
1965-Mar-02 21:50 < 00:01 Psych 0.0302561564005774 0.0302507887039564 0.0302615240972391 4.56362581489651 4.56362572727124 2438822.409654426 0.805990403987278 267.520283098269 40.0080303188037 0.735947184196592 16968.0109431426 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 10:43:23 2021-Apr-13 10:43
1978-Feb-12 20:16 < 00:01 Eunom 0.0482446385069567 0.0482421452901723 0.0482471318714615 7.93578743982646 7.9357874031612 2443552.344579175 0.251309697038765 188.057240839514 41.3593926088279 -50.288672752084 136422.157747714 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 10:43:23 2021-Apr-13 10:43
2026-Nov-28 01:35 < 00:01 Hebe 0.0465879660385711 0.0465862849814216 0.0465896471336446 7.31740656961977 7.31740655138389 2461372.565839295 0.270085750231554 114.312973707898 43.8177518946418 -47.415650594714 124138.851875868 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 10:43:23 2021-Apr-13 10:43
2086-Feb-11 12:45 00:06 Europ 0.0497376198240067 0.0497344189105148 0.049740820954999 2.93379134840516 2.93379127556724 2482998.031594525 5.79988401609225 231.973089913329 37.0987926855789 -47.3676652298342 148961.978083853 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 10:43:23 2021-Apr-13 10:43

Alternate Designations
 4229 T-1 = 1998 QV30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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