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9156 Malanin (1982 TQ2)
Classification: Main-belt Asteroid          SPK-ID: 2009156
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498624237496232 1.9538e-08  
a 2.184660012351424 5.9375e-09 au
q 1.857261567831558 4.3524e-08 au
i 4.883626707852134 7.7706e-07 deg
node 320.5628854264361 2.9472e-06 deg
peri 21.52187375395129 3.7146e-06 deg
M 334.6348466886787 4.8157e-06 deg
tp 2459283.601565823667
(2021-Mar-10.10156582)
1.605e-05 TDB
period 1179.435555911556
3.23
4.8082e-06
1.316e-08
d
yr
n .3052307505871019 1.2443e-09 deg/d
Q 2.51205845687129 6.8273e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1911  
   data-arc span      23872 days (65.36 yr)  
   first obs. used      1955-04-20  
   last obs. used      2020-08-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48829  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:11:21  

Additional Information
 Earth MOID = .84789 au 
 Jupiter MOID = 2.86234 au 
 T_jup = 3.658 
[ 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 14.33   n/a MPCxxxxx  
diameter diameter 3.618 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.257   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9156 Malanin (1982 TQ2)          Discovered 1982-Oct-15 by Karachkina, L. G. at Nauchnyj
Reference: 19980910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1982 TQ2 = 1982 VQ9 = 1985 PD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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