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16448 (1989 RV2)
Classification: Main-belt Asteroid          SPK-ID: 2016448
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833770740746149 4.2825e-08  
a 2.27028585644053 6.6163e-09 au
q 1.853967478773485 9.6102e-08 au
i 5.597453193221162 4.4699e-06 deg
node 44.52738156569571 3.5498e-05 deg
peri 305.673612893246 3.6811e-05 deg
M 354.2393058278648 1.0615e-05 deg
tp 2459020.493625870897
(2020-Jun-19.99362587)
3.6868e-05 TDB
period 1249.451038095117
3.42
5.4619e-06
1.495e-08
d
yr
n .2881265363938129 1.2595e-09 deg/d
Q 2.686604234107576 7.8296e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1780  
   data-arc span      25791 days (70.61 yr)  
   first obs. used      1950-03-21  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:27:16  

Additional Information
 Earth MOID = .855181 au 
 Jupiter MOID = 2.75081 au 
 T_jup = 3.584 
[ 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 14.5   n/a MPO473986  

16448 (1989 RV2)          Discovered 1989-Sep-07 by Mrkos, A. at Klet
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 RV2 = 1996 TH12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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