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183121 (2002 RV172)
Classification: Main-belt Asteroid          SPK-ID: 2183121
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1232770698571287 5.3204e-08  
a 2.301262634355861 2.0026e-08 au
q 2.017569719820773 1.2492e-07 au
i 3.935426807714264 7.4101e-06 deg
node 216.5857655311776 9.5364e-05 deg
peri 43.28464537397733 0.00010046 deg
M 99.73578965685282 3.3079e-05 deg
tp 2458647.238559561363
(2019-Jun-12.73855956)
0.00011574 TDB
period 1275.110158504381
3.49
1.6644e-05
4.557e-08
d
yr
n .2823285483210768 3.6852e-09 deg/d
Q 2.584955548890948 2.2494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6607 days (18.09 yr)  
   first obs. used      1999-11-12  
   last obs. used      2017-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58338  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:33:27  

Additional Information
 Earth MOID = 1.00456 au 
 Jupiter MOID = 2.46108 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 16.9   n/a MPO433197  

183121 (2002 RV172)          Discovered 2002-Sep-13 by NEAT at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ 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
2072-Oct-25 19:29 < 00:01 Amphi 0.0378644711871348 0.0378630831167921 0.0378658627795683 4.60716133204613 4.60716129909216 2478141.311805898 0.505126818653465 816.624717271653 48.9619709048932 86.5508743506085 115435.644542326 T 12 CATAB v2.0e-lin.ifort 2019-Jul-13 11:33:30 2019-Jul-13 11:33

Alternate Designations
 2002 RV172 = 1999 WE16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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