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19636 (1999 RD48)
Classification: Main-belt Asteroid          SPK-ID: 2019636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1796953544670827 3.7584e-08  
a 3.124877901392979 1.5861e-08 au
q 2.563351859235814 1.1818e-07 au
i 1.784694375231531 3.7499e-06 deg
node 142.1262636015034 0.00013338 deg
peri 267.7334530462256 0.00013387 deg
M 243.9824789621049 1.3692e-05 deg
tp 2459850.733120183296
(2022-Sep-28.23312018)
8.0239e-05 TDB
period 2017.660101438706
5.52
1.5362e-05
4.206e-08
d
yr
n .1784245025925326 1.3585e-09 deg/d
Q 3.686403943550145 1.8712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1841  
   data-arc span      17474 days (47.84 yr)  
   first obs. used      1972-10-13  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53998  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:00:08  

Additional Information
 Earth MOID = 1.57375 au 
 Jupiter MOID = 1.69873 au 
 T_jup = 3.189 
[ 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 13.42   n/a MPCxxxxx  
diameter diameter 11.732 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.448 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.061   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19636 (1999 RD48)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RD48 = 1972 TE11 = 1978 VN11 = 1997 GY43 = 1998 LK1 = 1999 PQ8 = 1999 QD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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