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102141 (1999 RT184)
Classification: Main-belt Asteroid          SPK-ID: 2102141
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345424284693517 4.8378e-08  
a 2.402261579822748 9.1756e-09 au
q 2.079055473054774 1.147e-07 au
i 4.947555120658868 3.2689e-06 deg
node 102.24132996 5.6681e-05 deg
peri 307.696913234946 5.844e-05 deg
M 209.8932171358819 1.4034e-05 deg
tp 2459767.556961586098
(2022-Jul-07.05696159)
5.3803e-05 TDB
period 1359.968565549703
3.72
7.7918e-06
2.133e-08
d
yr
n .264712000791347 1.5166e-09 deg/d
Q 2.725467686590722 1.041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      7586 days (20.77 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:32  

Additional Information
 Earth MOID = 1.09327 au 
 Jupiter MOID = 2.61842 au 
 T_jup = 3.508 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457273.5 (2015-Sep-08.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333065238294903 4.8086e-08  
q 2.082733556118899 1.1365e-07 au
tp 2457047.723601983953
(2015-Jan-25.22360198)
5.297e-05 TDB
node 102.30748800813 5.6648e-05 deg
peri 307.8374164156185 5.8464e-05 deg
i 4.947971800178928 3.2686e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      7586 days (20.77 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:32  

Additional Information
 Jupiter MOID = 2.61842 au 
 T_jup = 3.508 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.312267108407368E-15 -5.452037738882622E-15 -1.125975295779133E-12 -3.957154715005649E-14 -3.357715011434169E-13 -3.279047162247937E-16
q -5.452037738882622E-15 1.29162299490354E-14 2.679778799674486E-12 9.417985931854958E-14 7.997051343279761E-13 8.124056717465831E-16
tp -1.125975295779133E-12 2.679778799674486E-12 2.805841324679064E-9 1.786624426426055E-11 7.974064264897712E-10 -3.848163567563953E-13
node -3.957154715005649E-14 9.417985931854958E-14 1.786624426426055E-11 3.208987981086279E-9 -3.190634675739339E-9 -3.508254153304483E-11
peri -3.357715011434169E-13 7.997051343279761E-13 7.974064264897712E-10 -3.190634675739339E-9 3.418074468972534E-9 3.485063381582957E-11
i -3.279047162247937E-16 8.124056717465831E-16 -3.848163567563953E-13 -3.508254153304483E-11 3.485063381582957E-11 1.068396010503886E-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 15.41   n/a MPCxxxxx  
diameter diameter 2.580 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 50.2678 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.242   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102141 (1999 RT184)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2171-Mar-21 10:04 00:03 Juno 0.0481422955832779 0.0481009686216031 0.0481836275549272 4.79999418938415 4.79999413673657 2514080.919182830 2.73423259674859 2200.01280848269 32.5795868427071 -20.5940843043685 77760.4064948579 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 15:40:35 2021-Apr-13 15:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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