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JPL Small-Body Database Browser
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52161 (4302 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2052161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07975970761940848 9.3995e-08  
a 2.574062100647333 1.4586e-08 au
q 2.368755660105501 2.4981e-07 au
i 5.416013460622587 4.3993e-06 deg
node 52.83323175367134 5.5757e-05 deg
peri 127.3205715458976 6.2499e-05 deg
M 234.8073960377696 3.1762e-05 deg
tp 2459125.069612799503
(2020-Oct-02.56961280)
0.00013539 TDB
period 1508.436238492126
4.13
1.2821e-05
3.51e-08
d
yr
n .2386577508638124 2.0286e-09 deg/d
Q 2.779368541189164 1.5749e-08 au
  Orbit Determination Parameters
   # obs. used (total)      985  
   data-arc span      17790 days (48.71 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:57:55  

Additional Information
 Earth MOID = 1.37599 au 
 Jupiter MOID = 2.18568 au 
 T_jup = 3.417 
[ 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 15.0   n/a MPO365859  
diameter diameter 3.178 km 0.810 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52161 (4302 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
 4302 T-1 = 1996 GX19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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