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19879 (1274 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2019879
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1071683048619945 1.6508e-08  
a 2.727490713468911 1.2164e-08 au
q 2.435190157179616 4.6226e-08 au
i 5.042983766520107 1.1187e-06 deg
node 5.102455975661313 1.2384e-05 deg
peri 328.569802214445 2.0234e-05 deg
M 231.1845991850774 1.8582e-05 deg
tp 2459789.219791564392
(2022-Jul-28.71979156)
8.692e-05 TDB
period 1645.29337037648
4.50
1.1006e-05
3.013e-08
d
yr
n .2188059628038395 1.4637e-09 deg/d
Q 3.019791269758206 1.3467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1983  
   data-arc span      18254 days (49.98 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51042  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:08:25  

Additional Information
 Earth MOID = 1.42514 au 
 Jupiter MOID = 2.32296 au 
 T_jup = 3.342 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO502318  
diameter diameter 11.638 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19879 (1274 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1274 T-1 = 1986 RV12 = 1996 BN4 = 1997 XB9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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