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JPL Small-Body Database Browser
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2401 Aehlita (1975 VM2)
Classification: Main-belt Asteroid          SPK-ID: 2002401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05924559849334469 3.4146e-08  
a 2.76947958894498 1.1977e-08 au
q 2.605400113182832 9.4268e-08 au
i 4.328501670232884 4.0882e-06 deg
node 50.91765533437218 5.5325e-05 deg
peri 36.93590795703172 6.7034e-05 deg
M 93.8399848899915 3.7898e-05 deg
tp 2458161.685359940531
(2018-Feb-12.18535994)
0.00017684 TDB
period 1683.432394054631
4.61
1.0921e-05
2.99e-08
d
yr
n .213848801574337 1.3873e-09 deg/d
Q 2.933559064707127 1.2687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2109  
   data-arc span      23846 days (65.29 yr)  
   first obs. used      1954-02-09  
   last obs. used      2019-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45285  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:18:36  

Additional Information
 Earth MOID = 1.62316 au 
 Jupiter MOID = 2.1882 au 
 T_jup = 3.331 
[ 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 12.5   n/a MPO384771  
diameter diameter 9.015 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.288   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   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)

2401 Aehlita (1975 VM2)          Discovered 1975-Nov-02 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1975 VM2 = 1954 CP = 1957 WC = 1978 JS1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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