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173770 (2001 RQ149)
Classification: Main-belt Asteroid          SPK-ID: 2173770
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06982742595719711 5.1002e-08  
a 2.810868717776491 2.3096e-08 au
q 2.614592990510551 1.5128e-07 au
i 3.97876786317827 7.2842e-06 deg
node 336.3177510995919 6.2422e-05 deg
peri 134.9712697070938 8.1515e-05 deg
M 233.131467609799 5.2539e-05 deg
tp 2459607.111564514739
(2022-Jan-27.61156451)
0.00025368 TDB
period 1721.31070732062
4.71
2.1216e-05
5.809e-08
d
yr
n .209142950467306 2.5777e-09 deg/d
Q 3.00714444504243 2.4709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      7086 days (19.40 yr)  
   first obs. used      2001-05-24  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:17:39  

Additional Information
 Earth MOID = 1.633 au 
 Jupiter MOID = 2.05682 au 
 T_jup = 3.314 
[ 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 15.92   n/a E2021B55  

173770 (2001 RQ149)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
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
2102-Aug-10 01:25 00:05 Hebe 0.0498015991067636 0.0497712175012276 0.0498319919151586 6.45841771437609 6.45841769504804 2489020.558847055 5.27955854250259 1919.30321376096 60.0720055045815 -37.9017903285125 76229.2092539458 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 10:17:40 2020-Nov-12 10:17
2121-Jun-25 08:35 00:06 Hebe 0.029802423364053 0.0297979570791439 0.0298069579140817 6.57840776109837 6.57840772938918 2495914.857364664 6.0835342013454 2342.0674812216 59.1917842187655 -84.6967591525057 74979.7401333614 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 10:17:40 2020-Nov-12 10:17
2140-May-12 00:33 00:07 Hebe 0.0363535472626265 0.0363260947764889 0.0363810635850992 6.65596662503347 6.65596659934137 2502810.522945090 6.88809329560874 2766.97583602758 58.4427454451233 60.3385200627297 80847.7736969567 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 10:17:40 2020-Nov-12 10:17

Alternate Designations
 2001 RQ149 = 2003 AC32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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