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2370 van Altena (1965 LA)
Classification: Main-belt Asteroid          SPK-ID: 2002370
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1823071015417992 3.7149e-08  
a 2.714448538542966 1.0201e-08 au
q 2.219585293196825 1.0216e-07 au
i 8.264949455001382 4.2827e-06 deg
node 10.32043128615816 2.1808e-05 deg
peri 315.3250676867157 2.4104e-05 deg
M 67.75638044857105 9.2243e-06 deg
tp 2458693.054215364732
(2019-Jul-28.55421536)
4.2032e-05 TDB
period 1633.506420147485
4.47
9.2078e-06
2.521e-08
d
yr
n .2203848087523872 1.2423e-09 deg/d
Q 3.209311783889107 1.206e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2300  
   data-arc span      23643 days (64.73 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:32:50  

Additional Information
 Earth MOID = 1.2174 au 
 Jupiter MOID = 2.18012 au 
 T_jup = 3.322 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO439086  
diameter diameter 15.032 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Cb   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)

2370 van Altena (1965 LA)          Discovered 1965-Jun-10 by Klemola, A. R. at El Leoncito
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1965 LA = 1974 OY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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