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59908 (1999 RS154)
Classification: Outer Main-belt Asteroid          SPK-ID: 2059908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05967574414118338 3.8673e-08  
a 3.221118494353633 1.8818e-08 au
q 3.028895851236152 1.227e-07 au
i 2.562961457395955 3.5949e-06 deg
node 284.1520872236796 0.00010146 deg
peri 121.6712893712368 0.00010702 deg
M 187.6020143288795 3.4789e-05 deg
tp 2460211.702571405334
(2023-Sep-24.20257141)
0.00020673 TDB
period 2111.584565729076
5.78
1.8505e-05
5.066e-08
d
yr
n .170488080772508 1.494e-09 deg/d
Q 3.413341137471115 1.9942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1556  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1999-08-08  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:44:38  

Additional Information
 Earth MOID = 2.0383 au 
 Jupiter MOID = 1.85529 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456972.5 (2014-Nov-11.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06004420308267059 3.8414e-08  
q 3.028133876141916 1.2177e-07 au
tp 2455996.221424955757
(2012-Mar-09.72142496)
0.00019832 TDB
node 284.1816561637975 0.00010145 deg
peri 123.3206183663663 0.00010702 deg
i 2.563008071288819 3.595e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1556  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1999-08-08  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:44:38  

Additional Information
 Jupiter MOID = 1.85529 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.475610126210181E-15 -4.629876507866112E-15 -1.680976194207032E-12 -1.950915531687477E-15 -3.024377434279528E-13 -8.536649560762583E-17
q -4.629876507866112E-15 1.482895700642999E-14 5.871096533998113E-12 1.128900498159343E-14 1.071274619611076E-12 2.209274618122149E-16
tp -1.680976194207032E-12 5.871096533998113E-12 3.93321672688729E-8 2.181053912846736E-11 6.795530192727374E-9 -5.490798784844302E-14
node -1.950915531687477E-15 1.128900498159343E-14 2.181053912846736E-11 1.029122376808257E-8 -1.027614070122679E-8 1.64128167433255E-11
peri -3.024377434279528E-13 1.071274619611076E-12 6.795530192727374E-9 -1.027614070122679E-8 1.145306952847387E-8 -1.642269412133552E-11
i -8.536649560762583E-17 2.209274618122149E-16 -5.490798784844302E-14 1.64128167433255E-11 -1.642269412133552E-11 1.292409759894552E-11

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 13.62   n/a E2021B10  
diameter diameter 11.039 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59908 (1999 RS154)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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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
2012-Feb-27 15:58 < 00:01 Jupiter 1.96472354518271 1.96472316773993 1.96472392262548 4.04030343062798 3.93215221906603 2455985.164966290 0.177261333382192 31.6344395356221 15.7443944619652 -82.4754224742318 4302743.23768471 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 22:44:42 2020-Nov-12 22:44
2023-Jun-14 10:36 < 00:01 Jupiter 1.93111554534281 1.93111513993715 1.93111595074847 3.87615168755537 3.76129172098657 2460109.941823367 0.319791733417403 32.9460128810839 16.6280402333816 -84.0673249675477 3904501.8448079 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 22:44:42 2020-Nov-12 22:44
2034-Sep-30 20:16 < 00:01 Jupiter 1.90685210797833 1.90685169529571 1.90685252066085 3.73942369069179 3.61868633446162 2464236.344227595 0.618419387514027 42.1249121906024 16.6320379906287 -86.5316322094268 3771682.34465381 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 22:44:42 2020-Nov-12 22:44
2046-Jan-19 21:11 < 00:01 Jupiter 1.89703734887085 1.89703694952472 1.89703774821688 3.66030363767678 3.53621657048893 2468365.382716808 0.93895689500171 54.712547362213 15.8654146722101 -86.5245648914478 3881700.32868827 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 22:44:42 2020-Nov-12 22:44
2057-May-17 00:56 00:01 Jupiter 1.89899293619764 1.89899255535465 1.89899331704063 3.63164040115614 3.50667029033668 2472500.539210252 1.26685035794561 60.102276358372 14.7287825681059 -84.6901634431647 4189105.84011958 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 22:44:42 2020-Nov-12 22:44
2068-Sep-16 12:21 00:02 Jupiter 1.91135446349866 1.91135407722069 1.91135484977663 3.63596116548411 3.51196633572783 2476641.014822525 1.60002863594194 52.8249895606611 14.4216034968005 -81.0069161692051 4583931.33907407 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 22:44:42 2020-Nov-12 22:44
2080-Jan-23 04:33 00:02 Jupiter 1.94137331702802 1.94137287649482 1.94137375756121 3.67660470024674 3.55595567237464 2480786.689922455 1.93517528323601 42.1958049236711 18.9569676011853 -82.5714579281343 4649419.37164065 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 22:44:42 2020-Nov-12 22:44
2091-Jun-03 13:22 00:02 Jupiter 1.98445664829884 1.98445611589676 1.98445718070092 3.73919466967928 3.62324715104334 2484936.057140642 2.27326926022827 47.3737472449557 21.8214007285374 75.0257253648633 4615195.5725186 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 22:44:42 2020-Nov-12 22:44

Alternate Designations
 1999 RS154 = 2000 VJ38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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