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JPL Small-Body Database Browser
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1854 Skvortsov (1968 UE1)
Classification: Main-belt Asteroid          SPK-ID: 2001854
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1395069284453993 3.7899e-08  
a 2.538338245961287 7.4285e-09 au
q 2.184222473911745 9.591e-08 au
i 4.896229085513514 3.412e-06 deg
node 189.0586628440024 4.6195e-05 deg
peri 275.2249612443093 4.7743e-05 deg
M 224.0988953878877 1.3277e-05 deg
tp 2459558.126177130557
(2021-Dec-09.62617713)
5.535e-05 TDB
period 1477.143429701814
4.04
6.4844e-06
1.775e-08
d
yr
n .2437136386089955 1.0699e-09 deg/d
Q 2.892454018010829 8.4649e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2510  
   data-arc span      20934 days (57.31 yr)  
   first obs. used      1962-04-27  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44331  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:20:43  

Additional Information
 Earth MOID = 1.20753 au 
 Jupiter MOID = 2.25477 au 
 T_jup = 3.428 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456405.5 (2013-Apr-23.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397860749474498 3.7616e-08  
q 2.183107981498861 9.5381e-08 au
tp 2456600.663537405267
(2013-Nov-04.16353741)
5.1672e-05 TDB
node 189.3065217546196 4.6153e-05 deg
peri 274.4127773256931 4.7726e-05 deg
i 4.898184504491832 3.4117e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2510  
   data-arc span      20934 days (57.31 yr)  
   first obs. used      1962-04-27  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44331  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:20:43  

Additional Information
 Jupiter MOID = 2.25477 au 
 T_jup = 3.428 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.41495955444597E-15 -3.58021396016341E-15 5.696739866781248E-13 -2.367750703213668E-14 1.298560420953679E-13 -5.506769830654487E-16
q -3.58021396016341E-15 9.097512518551041E-15 -1.389041210013409E-12 6.074271358132484E-14 -3.191561037659163E-13 1.489038220377072E-15
tp 5.696739866781248E-13 -1.389041210013409E-12 2.670011299380624E-9 -5.390195970024469E-12 6.484205422887957E-10 -2.52211401962846E-12
node -2.367750703213668E-14 6.074271358132484E-14 -5.390195970024469E-12 2.130105141163107E-9 -2.122592146491754E-9 -2.826596351333116E-11
peri 1.298560420953679E-13 -3.191561037659163E-13 6.484205422887957E-10 -2.122592146491754E-9 2.277772391070496E-9 2.756178287845299E-11
i -5.506769830654487E-16 1.489038220377072E-15 -2.52211401962846E-12 -2.826596351333116E-11 2.756178287845299E-11 1.163996875908092E-11

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 MPO435714  
diameter diameter 9.602 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 78.5 h n/a LCDB (Rev. 2019-August); 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:
[Warner, B.D. (2006) Minor Planet Bull. 33, 82-84.]
geometric albedo albedo 0.252   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1854 Skvortsov (1968 UE1)          Discovered 1968-Oct-22 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1968 UE1 = 1962 HC = 1964 VC = 1964 XB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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