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3865 Lindbloom (1988 AY4)
Classification: Main-belt Asteroid          SPK-ID: 2003865
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07952065548830879 1.3141e-08  
a 2.397579106566344 6.4694e-09 au
q 2.206922044427114 3.1428e-08 au
i 6.553619459229377 6.6174e-07 deg
node 214.4612367230884 7.0666e-06 deg
peri 32.46004619458345 1.3565e-05 deg
M 162.8534872817355 1.0164e-05 deg
tp 2458587.087803350898
3.7673e-05 TDB
period 1355.994240465019
n .265487853308686 1.0745e-09 deg/d
Q 2.588236168705573 6.9838e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2993  
   data-arc span      18101 days (49.56 yr)  
   first obs. used      1971-08-19  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:39:54  

Additional Information
 Earth MOID = 1.19551 au 
 Jupiter MOID = 2.41407 au 
 T_jup = 3.515 
[ 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 12.91   n/a MPCxxxxx  
diameter diameter 7.972 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 5.42 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2018)]
geometric albedo albedo 0.088   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
SMASSII spectral type spec_B Xc   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3865 Lindbloom           Discovered 1988 Jan. 13 by H. Debehogne at the European Southern Observatory.
George G. Lindbloom (1934-1989), artist, designer, writer, cartoonist, teacher, photographer and humorist, designed the Nicholas E. Wagman Observatory for the Amateur Astronomers Association of Pittsburgh and served as AAAP president from 1969 to 1971. He contributed more than 10~000 observations to the AAVSO.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040713/MPCPages.arcLast Updated: 2004-07-14

[ show close-approach data ]
Alternate Designations
 1988 AY4 = 1971 QC1 = 1978 JC3 = 1979 VP = 1985 FH1 = 1986 PG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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