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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833446865976149 1.1511e-08  
a 2.270306932167737 5.6688e-09 au
q 1.854058219209051 2.6279e-08 au
i 5.597356542031543 9.5464e-07 deg
node 44.52686614520756 7.6353e-06 deg
peri 305.7059606389731 8.0529e-06 deg
M 51.84304873722719 4.899e-06 deg
tp 2459020.565963728850
(2020-Jun-20.06596373)
1.6927e-05 TDB
period 1249.468436664295
3.42
4.6797e-06
1.281e-08
d
yr
n .2881225242960853 1.0791e-09 deg/d
Q 2.686555645126423 6.7081e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2067  
   data-arc span      25922 days (70.97 yr)  
   first obs. used      1950-03-21  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45577  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:29:51  

Additional Information
 Earth MOID = .853559 au 
 Jupiter MOID = 2.7515 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 14.44   n/a E2020-QM5  

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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