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19878 (1030 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2019878
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520574456186534 1.5567e-08  
a 2.275288203142879 6.0779e-09 au
q 1.929313690926717 3.4565e-08 au
i 4.572878403484826 6.2477e-07 deg
node 324.1193182070004 1.4041e-05 deg
peri 265.2407203039962 1.4696e-05 deg
M 138.4926990253993 4.3552e-06 deg
tp 2458718.244235127938
(2019-Aug-22.74423513)
1.4401e-05 TDB
period 1253.582871701432
3.43
5.023e-06
1.375e-08
d
yr
n .2871768657076402 1.1507e-09 deg/d
Q 2.621262715359041 7.0021e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2054  
   data-arc span      18221 days (49.89 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45942  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:28:17  

Additional Information
 Earth MOID = .924555 au 
 Jupiter MOID = 2.3882 au 
 T_jup = 3.590 
[ 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 14.45   n/a E2021B10  
diameter diameter 3.409 km 0.359 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.958 h n/a LCDB (Rev. 2020-October); 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 0.348   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19878 (1030 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
 1030 T-1 = 1988 CP3 = 1988 DW = 1996 TU60 = 1999 NY27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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