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3204 Lindgren (1978 RH)
Classification: Main-belt Asteroid          SPK-ID: 2003204
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 .2795148432886009 3.4743e-08  
a 3.157809591916439 1.2553e-08 au
q 2.275154938696674 1.0839e-07 au
i 2.063119089181058 3.4858e-06 deg
node 108.701246955198 0.00011791 deg
peri 298.160952184806 0.00011805 deg
M 107.6479539853962 6.6871e-06 deg
tp 2458387.612709726692
(2018-Sep-26.11270973)
3.6552e-05 TDB
period 2049.638811791291
5.61
1.2222e-05
3.346e-08
d
yr
n .1756407021222322 1.0473e-09 deg/d
Q 4.040464245136203 1.6062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2304  
   data-arc span      15215 days (41.66 yr)  
   first obs. used      1978-09-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:50:37  

Additional Information
 Earth MOID = 1.28589 au 
 Jupiter MOID = 1.36643 au 
 T_jup = 3.143 
[ 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 12.3   n/a MPO492788  
diameter diameter 19.596 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.614 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.063   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3204 Lindgren (1978 RH)          Discovered 1978-Sep-01 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1978 RH = 1980 CQ = 1980 DM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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