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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2794156704288418 3.8191e-08  
a 3.159092027280172 1.3184e-08 au
q 2.276392210531274 1.2024e-07 au
i 2.063048921523608 3.9827e-06 deg
node 108.6998829142829 0.00012665 deg
peri 298.2490137739031 0.00012681 deg
M 37.33546417763243 6.6238e-06 deg
tp 2458387.803228692069
(2018-Sep-26.30322869)
3.727e-05 TDB
period 2050.887523630376
5.62
1.2839e-05
3.515e-08
d
yr
n .1755337607996885 1.0989e-09 deg/d
Q 4.04179184402907 1.6868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2017  
   data-arc span      14853 days (40.67 yr)  
   first obs. used      1978-09-01  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46703  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 22:51:50  

Additional Information
 Earth MOID = 1.28664 au 
 Jupiter MOID = 1.36311 au 
 T_jup = 3.142 
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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 12.2   n/a MPO337276  
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-January); 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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