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192642 (1999 RD32)
Classification: Apollo [NEO]          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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 137 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7696519859595233 1.6035e-08  
a 2.643671784515805 1.1497e-08 au
q .6089645453380587 4.3227e-08 au
i 6.797849976710511 6.5333e-06 deg
node 309.9534076352966 3.5895e-05 deg
peri 300.0062292796467 3.5558e-05 deg
M 3.89731390444843 4.8097e-06 deg
tp 2459183.502986596633
(2020-Nov-30.00298660)
2.0866e-05 TDB
period 1570.036434126595
4.30
1.0242e-05
2.804e-08
d
yr
n .229294041956591 1.4958e-09 deg/d
Q 4.678379023693552 2.0347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   # delay obs. used      5  
   # Doppler obs. used      4  
   data-arc span      9094 days (24.90 yr)  
   first obs. used      1995-01-02  
   last obs. used      2019-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46221  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:00  

Additional Information
 Earth MOID = .0501277 au 
 Jupiter MOID = .672838 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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