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6801 Strekov (1995 UM1)
Classification: Main-belt Asteroid          SPK-ID: 2006801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305144760755423 4.5633e-08  
a 2.207135182037491 5.8233e-09 au
q 1.919072090125971 1.0084e-07 au
i 5.21209178342921 4.3557e-06 deg
node 44.01213355256936 3.4406e-05 deg
peri 334.6258384503984 3.6375e-05 deg
M 248.6069962481703 1.3274e-05 deg
tp 2459571.093025242776
(2021-Dec-22.59302524)
4.4636e-05 TDB
period 1197.682839980045
3.28
4.74e-06
1.298e-08
d
yr
n .3005804107588266 1.1896e-09 deg/d
Q 2.495198273949011 6.5834e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2284  
   data-arc span      17449 days (47.77 yr)  
   first obs. used      1972-10-09  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:06:56  

Additional Information
 Earth MOID = .921607 au 
 Jupiter MOID = 2.96203 au 
 T_jup = 3.644 
[ 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 13.68   n/a E2021B10  
diameter diameter 4.868 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.171 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Carbo, L.; Kragh, K.; Krotz, J.; Meiers, A.; et al. (2009) Minor Planet Bull. 36, 91-94.]
[Rowe, B. (2019) Minor Planet Bull. 46, 353-356.]
[Teer, A.; Montgomery, K. (2020) Minor Planet Bull. 47, 166-167.]
geometric albedo albedo 0.297   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6801 Strekov (1995 UM1)          Discovered 1995-Oct-22 by Moravec, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1995 UM1 = 1972 TR9 = 1985 QH = 1987 DJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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