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102173 (1999 RQ233)
Classification: Main-belt Asteroid          SPK-ID: 2102173
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138411527850327 5.5005e-08  
a 2.402802881326217 9.2592e-09 au
q 2.070227263398687 1.3028e-07 au
i 6.881090075819101 4.3871e-06 deg
node 77.05593661922391 3.8504e-05 deg
peri 329.3543562554814 4.0833e-05 deg
M 213.2962414053831 1.3212e-05 deg
tp 2459754.888717084727
(2022-Jun-24.38871708)
5.1023e-05 TDB
period 1360.428253934491
3.72
7.8636e-06
2.153e-08
d
yr
n .2646225546689765 1.5296e-09 deg/d
Q 2.735378499253747 1.0541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      7584 days (20.76 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:19  

Additional Information
 Earth MOID = 1.08283 au 
 Jupiter MOID = 2.62821 au 
 T_jup = 3.502 
[ 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 16.15   n/a E2021B55  

102173 (1999 RQ233)          Discovered 1999-Sep-08 by CSS at Catalina
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
1992-Jun-04 01:02 < 00:01 Juno 0.0385623533677763 0.0385591332896208 0.0385655737157135 6.20249184218264 6.20249179131797 2448777.543322602 0.460272215273988 231.018635127279 40.4643109682436 46.9258413340412 105482.086274382 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:56:20 2020-Nov-12 19:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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