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JPL Small-Body Database Browser
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19056 (1162 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2019056
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203064044018159 4.7233e-08  
a 2.690354594938198 1.259e-08 au
q 2.366687707055279 1.265e-07 au
i 2.848955346891858 4.8959e-06 deg
node 24.27970660406064 9.5719e-05 deg
peri 3.237976496503414 9.7905e-05 deg
M 184.463557528618 2.0416e-05 deg
tp 2459786.418488818790
(2022-Jul-25.91848882)
9.2575e-05 TDB
period 1611.805799362095
4.41
1.1315e-05
3.098e-08
d
yr
n .2233519696619018 1.5679e-09 deg/d
Q 3.014021482821116 1.4105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1081  
   data-arc span      16935 days (46.37 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54859  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:40:33  

Additional Information
 Earth MOID = 1.37119 au 
 Jupiter MOID = 2.42622 au 
 T_jup = 3.360 
[ 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 14.9   n/a MPO337419  
diameter diameter 4.635 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.007 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.075   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19056 (1162 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1162 T-2 = 1986 QF2 = 1999 NQ35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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