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192642 (1999 RD32)
Classification: Apollo [NEO, PHA]          SPK-ID: 2192642
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 139 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7696344525127553 1.5484e-08  
a 2.643096665990984 1.141e-08 au
q .6088784105227243 4.1684e-08 au
i 6.797804505641537 6.2854e-06 deg
node 309.9524223211768 3.5396e-05 deg
peri 299.9977768958216 3.5091e-05 deg
M 48.85597341762227 5.0441e-06 deg
tp 2459183.498252189140
(2020-Nov-29.99825219)
2.0616e-05 TDB
period 1569.524130784201
4.30
1.0164e-05
2.783e-08
d
yr
n .2293688850901125 1.4853e-09 deg/d
Q 4.677314921459244 2.0192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   # delay obs. used      5  
   # Doppler obs. used      4  
   data-arc span      9693 days (26.54 yr)  
   first obs. used      1995-01-02  
   last obs. used      2021-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46822  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-18 05:52:47  

Additional Information
 Earth MOID = .0498969 au 
 Jupiter MOID = .672699 au 
 T_jup = 2.872 
[ 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 16.3   n/a MPO245316  
rotation period rot_per 17.08 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D.; Megna, R. (2012) Minor Planet Bull. 39, 154.]
[Vaduvescu, O.; Aznar, A.M.; Tudor, V.; Predatu, M.; et al. (2017) Earth, Moon, and Planets 120, 41-100.]

192642 (1999 RD32)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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