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JPL Small-Body Database Browser
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173255 (1999 RP106)
Classification: Main-belt Asteroid          SPK-ID: 2173255
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467094425760366 5.4242e-08  
a 2.287347142095185 1.4099e-08 au
q 1.95177171790051 1.2869e-07 au
i 6.451138725833609 6.4893e-06 deg
node 302.9419505558282 4.5739e-05 deg
peri 43.89402569628683 5.0842e-05 deg
M 248.1969736694189 2.4779e-05 deg
tp 2458992.916813370313
(2020-May-23.41681337)
8.9187e-05 TDB
period 1263.561975465699
3.46
1.1683e-05
3.199e-08
d
yr
n .2849088584414851 2.6343e-09 deg/d
Q 2.622922566289859 1.6168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      9206 days (25.20 yr)  
   first obs. used      1994-02-16  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52969  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:41:55  

Additional Information
 Earth MOID = .949007 au 
 Jupiter MOID = 2.77155 au 
 T_jup = 3.578 
[ 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 16.3   n/a MPO475467  
rotation period rot_per 5.401 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

173255 (1999 RP106)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ 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
1934-Nov-02 12:52 00:07 Eunom 0.0267189026998975 0.0267089199345103 0.0267288875621912 2.20708163878178 2.20708140073797 2427744.036408100 7.35131081513677 620.563253567058 35.9320265353287 -36.9996054651494 66913.7794748601 T 14 CATAB v2.0e-lin.ifort 2019-May-30 07:41:59 2019-May-30 07:42
1980-Jun-20 13:41 < 00:01 Juno 0.0378470704422523 0.0378427696357983 0.0378513715419239 6.90519795176043 6.90519790520851 2444411.070457061 0.554337379554521 275.423551596198 59.6874764658525 -40.0170605988791 62971.8387956024 T 14 CATAB v2.0e-lin.ifort 2019-May-30 07:41:59 2019-May-30 07:42
2120-Oct-22 13:53 < 00:01 Iris 0.0181707095752125 0.0181458803169158 0.0181955395481466 4.16198564566193 4.16198556964671 2495669.078230157 0.645551646640947 1250.41807972645 45.0027006167366 -8.25209442499319 8925.93771844571 T 14 CATAB v2.0e-lin.ifort 2019-May-30 07:41:59 2019-May-30 07:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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