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385622 (2005 NR4)
Classification: Main-belt Asteroid          SPK-ID: 2385622
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1916163416425674 5.438e-08  
a 2.369295599312644 1.2554e-08 au
q 1.915299844302521 1.2433e-07 au
i .3692575103118561 5.6518e-06 deg
node 243.8979454325962 0.00069986 deg
peri 124.183746325376 0.00070018 deg
M 34.28044253323385 1.5563e-05 deg
tp 2459073.655623668974
(2020-Aug-12.15562367)
5.7551e-05 TDB
period 1332.070769941184
3.65
1.0587e-05
2.899e-08
d
yr
n .2702559114151986 2.1479e-09 deg/d
Q 2.823291354322766 1.4959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      5668 days (15.52 yr)  
   first obs. used      2005-07-03  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51806  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:02  

Additional Information
 Earth MOID = .912791 au 
 Jupiter MOID = 2.64133 au 
 T_jup = 3.521 
[ 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 17.79   n/a MPCxxxxx  

385622 (2005 NR4)          Discovered 2005-Jul-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-02-19

Alternate Designations
 2005 NR4 = 2009 SV39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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