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2420 Ciurlionis (1975 TN)
Classification: Main-belt Asteroid          SPK-ID: 2002420
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333931186223243 7.3384e-08  
a 2.560205654079578 1.5256e-08 au
q 2.218691837567396 1.912e-07 au
i 14.60972667153461 7.5952e-06 deg
node 205.6404933748347 2.0501e-05 deg
peri 197.9457401200906 2.8602e-05 deg
M 271.8737736004801 2.0589e-05 deg
tp 2457766.780145893541
(2017-Jan-13.28014589)
8.6743e-05 JED
period 1496.272538936187
4.10
1.3374e-05
3.662e-08
d
yr
n .2405978794852114 2.1505e-09 deg/d
Q 2.90171947059176 1.7291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1049  
   data-arc span      14566 days (39.88 yr)  
   first obs. used      1975-10-03  
   last obs. used      2015-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48451  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 15:57:32  

Additional Information
 Earth MOID = 1.22865 au 
 Jupiter MOID = 2.53141 au 
 T_jup = 3.378 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.2 mag n/a MPO298976  
rotation period rot_per 12.84 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durkee, R.I.; Syring, C.W. (2013) Minor Planet Bul. 40, 88.]

2420 Ciurlionis (1975 TN)          Discovered 1975-Oct-03 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1975 TN = 1979 QF 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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