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269703 (1997 UR7)
Classification: Main-belt Asteroid          SPK-ID: 2269703
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2510856017080926 5.6629e-08  
a 2.410925649183879 1.6149e-08 au
q 1.805576931885071 1.3641e-07 au
i 9.876787874477504 5.5991e-06 deg
node 39.84691669543412 3.1369e-05 deg
peri 315.3499645258864 3.4912e-05 deg
M 93.47125727413363 1.9327e-05 deg
tp 2458845.482520379754
(2019-Dec-27.98252038)
7.0562e-05 TDB
period 1367.332551101317
3.74
1.3738e-05
3.761e-08
d
yr
n .2632863524751446 2.6454e-09 deg/d
Q 3.016274366482687 2.0204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      8502 days (23.28 yr)  
   first obs. used      1997-10-23  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63654  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:29:04  

Additional Information
 Earth MOID = .815783 au 
 Jupiter MOID = 2.4675 au 
 T_jup = 3.456 
[ 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 16.68   n/a MPCxxxxx  

269703 (1997 UR7)          Discovered 1997-Oct-23 by Sarounova, L. at Ondrejov
Reference: 20110418/Numbers.arcLast Updated: 2011-04-22

[ show close-approach data ]
Alternate Designations
 1997 UR7 = 2008 SY223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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