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101112 (1998 RG51)
Classification: Main-belt Asteroid          SPK-ID: 2101112
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2685140254981003 3.5433e-08  
a 2.604211317563899 1.0501e-08 au
q 1.904944053437105 8.9105e-08 au
i 4.050905532791338 3.8392e-06 deg
node 264.8595790767507 9.847e-05 deg
peri 24.31848498145677 9.9101e-05 deg
M 99.89426065220961 1.3104e-05 deg
tp 2458574.557676203722
(2019-Apr-01.05767620)
5.4924e-05 TDB
period 1535.015481024718
4.20
9.2843e-06
2.542e-08
d
yr
n .2345253220245555 1.4185e-09 deg/d
Q 3.303478581690694 1.332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      7811 days (21.39 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:15:59  

Additional Information
 Earth MOID = .889498 au 
 Jupiter MOID = 1.89168 au 
 T_jup = 3.358 
[ 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 15.9   n/a MPO253940  
diameter diameter 1.700 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101112 (1998 RG51)          Discovered 1998-Sep-14 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
1966-Jul-19 06:52 < 00:01 Jupiter 1.89315447520406 1.89315405006586 1.89315490034258 1.55219070354789 1.23063778348509 2439325.786121556 0.822974455948687 267.716187701748 59.1263299087273 -73.1212954398024 2976809.17505144 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:16:12 2020-Feb-24 01:16
2025-Feb-15 12:32 < 00:01 Jupiter 1.91358942445826 1.91358896727551 1.9135898816408 1.76241389625905 1.49024556430721 2460722.022277249 0.285733631737695 145.917369725823 31.7762051493219 -68.6880619165711 2363794.12388645 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:16:12 2020-Feb-24 01:16
2096-Nov-23 02:49 00:01 Jupiter 1.88142410046558 1.88142384943165 1.88142435149984 1.56100895620413 1.23949313678362 2486935.617340594 1.3854099126365 242.00334704341 75.588891516413 -71.8128768092282 2374461.17410336 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:16:12 2020-Feb-24 01:16
2155-Jun-24 03:41 00:02 Jupiter 1.95555219560001 1.95555100721361 1.95555338398642 1.90141636376335 1.65804392959221 2508331.653285186 2.40575035705442 143.374544695188 46.1680865189163 -85.7631560731724 1038801.02755903 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:16:12 2020-Feb-24 01:16
2168-Aug-31 10:50 00:03 Jupiter 1.95873510580013 1.95873404559915 1.95873616600323 1.48927900684057 1.16322187272448 2513148.951675239 2.60217149066456 320.363421043641 71.2555763408602 -67.5506600169568 2078639.77629957 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:16:12 2020-Feb-24 01:16

Alternate Designations
 1998 RG51 = 2002 NZ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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