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102041 (1999 RT112)
Classification: Main-belt Asteroid          SPK-ID: 2102041
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1943918882568677 4.5388e-08  
a 2.245405052369446 8.5617e-09 au
q 1.808916524337838 1.0178e-07 au
i 4.64034924111065 6.4522e-06 deg
node 199.5384605865253 4.8699e-05 deg
peri 122.1030561977087 5.0862e-05 deg
M 121.7641739798279 1.5244e-05 deg
tp 2458784.821563067383
(2019-Oct-28.32156307)
5.1178e-05 TDB
period 1228.967703756056
3.36
7.029e-06
1.924e-08
d
yr
n .2929287717649072 1.6754e-09 deg/d
Q 2.681893580401054 1.0226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      7884 days (21.59 yr)  
   first obs. used      1999-07-13  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:04  

Additional Information
 Earth MOID = .79991 au 
 Jupiter MOID = 2.64808 au 
 T_jup = 3.602 
[ 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 16.33   n/a MPCxxxxx  

102041 (1999 RT112)          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
1991-Feb-11 07:10 < 00:01 Eunom 0.0346907806153858 0.0346869265392558 0.0346946347063502 4.87152563120611 4.87152554814173 2448298.798409119 0.842274940917313 195.542503392805 46.4181457016624 11.1713963263484 33844.0112259639 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 15:40:06 2021-Apr-13 15:40
2068-Jul-01 08:12 00:01 Eunom 0.01884166764999 0.0188406907027334 0.0188426446126223 5.00607841475609 5.00607826593074 2476563.841930178 1.46099216420694 490.193112169562 48.6106516472324 89.686831934267 57943.1915612979 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 15:40:06 2021-Apr-13 15:40
2145-Nov-20 10:02 00:03 Eunom 0.046070298573596 0.0460509841268182 0.0460896162296781 5.13496821717553 5.13496815783723 2504828.917820728 2.85498392902343 1138.00208969312 50.4652596039637 -32.2636757224511 73034.6584969092 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 15:40:06 2021-Apr-13 15:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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