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3388 Tsanghinchi (1981 YR1)
Classification: Main-belt Asteroid          SPK-ID: 2003388
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2000534096870529 3.4257e-08  
a 2.364846298101386 9.702e-09 au
q 1.891750732780399 8.1268e-08 au
i 24.97691881376314 4.7469e-06 deg
node 98.97212756553171 1.3227e-05 deg
peri 17.67169940059435 2.1183e-05 deg
M 194.4799646717578 1.7352e-05 deg
tp 2459611.232280401023
(2022-Jan-31.73228040)
6.5779e-05 TDB
period 1328.320287682136
3.64
8.1744e-06
2.238e-08
d
yr
n .2710189728624751 1.6678e-09 deg/d
Q 2.837941863422373 1.1643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1465  
   data-arc span      25326 days (69.34 yr)  
   first obs. used      1950-04-19  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37738  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:31:08  

Additional Information
 Earth MOID = .916587 au 
 Jupiter MOID = 2.34539 au 
 T_jup = 3.398 
[ 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 MPO435730  
diameter diameter 6.287 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.257 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durkee, R.I. (2011) Minor Planet Bull. 38, 167-168.]
geometric albedo albedo 0.339   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3388 Tsanghinchi (1981 YR1)          Discovered 1981-Dec-21 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 YR1 = 1977 VZ = 1982 AB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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