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JPL Small-Body Database Browser
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1855 Korolev (1969 TU1)
Classification: Main-belt Asteroid          SPK-ID: 2001855
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08469801265797962 3.4739e-08  
a 2.247093675458924 5.371e-09 au
q 2.056769306891238 7.7469e-08 au
i 3.07884765368771 3.8929e-06 deg
node 191.0074653387977 5.6816e-05 deg
peri 349.1168878969761 5.9778e-05 deg
M 219.6492142006709 1.8886e-05 deg
tp 2459480.169981752392
(2021-Sep-22.66998175)
6.4823e-05 TDB
period 1230.354304376731
3.37
4.4112e-06
1.208e-08
d
yr
n .2925986431057903 1.0491e-09 deg/d
Q 2.43741804402661 5.8259e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2831  
   data-arc span      21426 days (58.66 yr)  
   first obs. used      1961-05-11  
   last obs. used      2020-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:06:25  

Additional Information
 Earth MOID = 1.05963 au 
 Jupiter MOID = 2.52172 au 
 T_jup = 3.623 
[ 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 12.8   n/a MPO347532  
diameter diameter 6.789 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.6568 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]
[Brinsfield, J. (2008) Minor Planet Bull. 35, 119-122.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.319   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1855 Korolev (1969 TU1)          Discovered 1969-Oct-08 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1933-Aug-13 08:05 < 00:01 Iris 0.0217469927511298 0.0217443379795322 0.0217496486113287 6.0559197783048 6.05591973465385 2427297.837049838 0.1618402175334 283.247097662456 32.874180367479 62.8844395510271 88216.929376847 T 36 CATAB v2.0f-lin.ifort 2020-Feb-22 16:06:38 2020-Feb-22 16:06
2137-Dec-30 23:59 00:01 Amphi 0.0193896289492056 0.019386727686523 0.0193925336269428 3.36708086141731 3.36708077336313 2501947.499573775 1.48579383621835 434.390891392545 20.4588687748549 -70.7309758032818 133754.256927774 T 36 CATAB v2.0f-lin.ifort 2020-Feb-22 16:06:38 2020-Feb-22 16:06

Alternate Designations
 1969 TU1 = 1961 JD = 1964 DD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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