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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05829552165654172 3.3142e-08  
a 2.772263134939119 1.1489e-08 au
q 2.610652609318643 9.1086e-08 au
i 4.325500771105288 4.0218e-06 deg
node 50.90607850069505 5.263e-05 deg
peri 37.46452244043832 6.4549e-05 deg
M 178.8168278621766 3.7342e-05 deg
tp 2458163.055591377798
(2018-Feb-13.55559138)
0.00017418 TDB
period 1685.971005683866
4.62
1.0481e-05
2.87e-08
d
yr
n .2135268037150948 1.3274e-09 deg/d
Q 2.933873660559594 1.2159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2220  
   data-arc span      24179 days (66.20 yr)  
   first obs. used      1954-02-09  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:39:18  

Additional Information
 Earth MOID = 1.62853 au 
 Jupiter MOID = 2.18324 au 
 T_jup = 3.330 
[ 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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