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2838 Takase (1971 UM1)
Classification: Main-belt Asteroid          SPK-ID: 2002838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899192313719017 3.1905e-08  
a 2.340804954614494 6.7275e-09 au
q 1.896241076842571 7.4643e-08 au
i 2.130519579625876 3.3448e-06 deg
node 80.34955688510944 8.6229e-05 deg
peri 333.3039059138882 8.657e-05 deg
M 192.611896328215 8.4071e-06 deg
tp 2459608.730728540651
(2022-Jan-29.23072854)
3.187e-05 TDB
period 1308.116033765325
3.58
5.6393e-06
1.544e-08
d
yr
n .2752049441392166 1.1864e-09 deg/d
Q 2.785368832386419 8.0052e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2380  
   data-arc span      24443 days (66.92 yr)  
   first obs. used      1953-10-14  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:05:35  

Additional Information
 Earth MOID = .907854 au 
 Jupiter MOID = 2.57126 au 
 T_jup = 3.539 
[ 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 14.3   n/a MPO473804  
diameter diameter 3.850 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2838 Takase (1971 UM1)          Discovered 1971-Oct-26 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1971 UM1 = 1953 TQ2 = 1978 RT1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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