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19667 (1999 RS144)
Classification: Main-belt Asteroid          SPK-ID: 2019667
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05173878390049302 4.1033e-08  
a 2.990515122134861 1.5762e-08 au
q 2.835789506479569 1.179e-07 au
i 8.848095661791792 3.7076e-06 deg
node 271.3177832211506 3.7539e-05 deg
peri 354.9115838061506 7.2512e-05 deg
M 108.5916443879275 6.309e-05 deg
tp 2458630.714569571102
(2019-May-27.21456957)
0.00033075 TDB
period 1888.936815632267
5.17
1.4934e-05
4.089e-08
d
yr
n .1905833996249898 1.5067e-09 deg/d
Q 3.145240737790153 1.6577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1781  
   data-arc span      11460 days (31.38 yr)  
   first obs. used      1989-09-28  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48589  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:01:25  

Additional Information
 Earth MOID = 1.81812 au 
 Jupiter MOID = 1.93671 au 
 T_jup = 3.236 
[ 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 13.31   n/a E2021B10  
diameter diameter 7.655 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.173   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19667 (1999 RS144)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1918-Apr-09 01:55 00:02 Jupiter 1.96703857912561 1.9670379432979 1.96703921495533 4.01345140836453 3.9046864464742 2421692.579643128 2.24261950996854 152.572444713728 21.6125556874891 83.3269502546798 4074713.11020065 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 03:01:47 2021-Apr-13 03:01
2001-Jan-01 03:46 < 00:01 Jupiter 1.94248653200176 1.94248609625023 1.94248696775341 3.87995900881166 3.76589705301884 2451910.656634036 0.357644053176976 62.6188025787106 18.4312342977143 -83.0783162053647 3774842.21561414 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 03:01:47 2021-Apr-13 03:01
2083-Sep-26 12:22 00:02 Jupiter 1.9419059132161 1.94190543082012 1.94190639561295 3.77268358892902 3.65523999386375 2482129.015218159 1.6793247522161 116.131310473523 16.6573839419665 -81.7294729794742 3698800.99152167 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 03:01:47 2021-Apr-13 03:01
2166-Jun-18 22:08 00:04 Jupiter 1.95247713311537 1.95247638454326 1.95247788169393 3.66243026569131 3.54199895497447 2512344.422190957 3.72177545135609 224.229964991532 18.8637748133677 -80.9812012682396 3389200.11676467 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 03:01:47 2021-Apr-13 03:01

Alternate Designations
 1999 RS144 = 1989 SS12 = 1998 KM36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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