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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457410.5 (2016-Jan-23.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799855750493149 3.2835e-08  
q 1.978395093253263 7.8134e-08 au
tp 2457636.264301508470
(2016-Sep-04.76430151)
3.6895e-05 TDB
node 163.3692692315026 3.7742e-05 deg
peri 83.14869128538409 3.9332e-05 deg
i 5.234753068003547 3.0813e-06 deg
  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
 Jupiter MOID = 2.19121 au 
 T_jup = 3.491 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.078146229412812E-15 -2.558074087350678E-15 -3.967201460427598E-13 -5.00032209741599E-15 -1.036871070119224E-13 -4.263751959803867E-15
q -2.558074087350678E-15 6.104994532720596E-15 8.484738127746147E-13 1.195123794399514E-14 2.172077196396409E-13 1.015474964611905E-14
tp -3.967201460427598E-13 8.484738127746147E-13 1.361213098038439E-9 3.526107457334887E-12 4.191079398324348E-10 1.99251088815958E-12
node -5.00032209741599E-15 1.195123794399514E-14 3.526107457334887E-12 1.424467094012019E-9 -1.417480643982823E-9 3.484434957650326E-11
peri -1.036871070119224E-13 2.172077196396409E-13 4.191079398324348E-10 -1.417480643982823E-9 1.547033755129718E-9 -3.415199308858088E-11
i -4.263751959803867E-15 1.015474964611905E-14 1.99251088815958E-12 3.484434957650326E-11 -3.415199308858088E-11 9.494524800179883E-12

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

[ show close-approach data ]
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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