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18050 (1999 RS196)
Classification: Main-belt Asteroid          SPK-ID: 2018050
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03974138034256168 2.2508e-08  
a 2.987909348648547 1.5235e-08 au
q 2.86916570679481 6.7211e-08 au
i 8.976029734405511 1.0877e-06 deg
node 214.9036705347143 5.1819e-06 deg
peri 12.30565843181115 2.7175e-05 deg
M 161.0975460531084 3.0037e-05 deg
tp 2458356.318215636233
(2018-Aug-25.81821564)
0.00015464 TDB
period 1886.468477122356
5.16
1.4429e-05
3.95e-08
d
yr
n .1908327673458656 1.4596e-09 deg/d
Q 3.106652990502285 1.5841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2525  
   data-arc span      14205 days (38.89 yr)  
   first obs. used      1982-04-29  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:39:52  

Additional Information
 Earth MOID = 1.85932 au 
 Jupiter MOID = 1.86748 au 
 T_jup = 3.237 
[ 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 13.03   n/a MPCxxxxx  
diameter diameter 7.924 km 1.484 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.213   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

18050 (1999 RS196)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20001013/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
1963-Dec-22 04:46 00:01 Jupiter 1.88551289639274 1.88551271756881 1.88551307521699 3.82845827821959 3.70926402765583 2438385.698553113 1.17099575302846 87.753434551575 7.11434364258623 -86.629686111154 11786004.4901125 T 40 CATAB v2.0g-lin.ifort 2021-May-04 02:40:38 2021-May-04 02:40
2000-Sep-10 06:30 < 00:01 Jupiter 1.93779340375733 1.93779313682156 1.93779367069309 3.96136852057348 3.84944504099739 2451797.770957849 0.33083571491779 23.417394871303 11.3419518765405 78.9289170702576 7635068.90529862 T 40 CATAB v2.0g-lin.ifort 2021-May-04 02:40:38 2021-May-04 02:40
2046-Jun-17 19:57 < 00:01 Jupiter 1.9445744176796 1.94457418042319 1.94457465493633 3.73518378016452 3.61668811883266 2468514.331533154 0.731159733199857 47.4704256460421 5.89589955159819 -77.0926527031445 15672665.9696179 T 40 CATAB v2.0g-lin.ifort 2021-May-04 02:40:38 2021-May-04 02:40
2083-Mar-13 23:34 00:02 Jupiter 1.88404355727308 1.8840433390043 1.8840437755425 3.93413727346935 3.81815167774769 2481932.482010034 1.53959284951038 114.022549892049 8.59192176045846 87.5017289367848 9540950.90756269 T 40 CATAB v2.0g-lin.ifort 2021-May-04 02:40:38 2021-May-04 02:40
2165-Sep-12 20:07 00:03 Jupiter 1.88425463898829 1.8842542360844 1.88425504190385 3.88804323663768 3.77065340286656 2512065.338150228 3.42239602264869 257.754404314086 6.90773053673887 -85.5918433988216 12362786.1941392 T 40 CATAB v2.0g-lin.ifort 2021-May-04 02:40:38 2021-May-04 02:40

Alternate Designations
 1999 RS196 = 1982 HD2 = 1989 SW7 = 1998 ML12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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