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12573 (1999 NJ53)
Classification: Main-belt Asteroid          SPK-ID: 2012573
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113760429494903 3.8281e-08  
a 2.940005850177027 1.5179e-08 au
q 2.612559632335958 1.1455e-07 au
i 11.91794205585261 4.8262e-06 deg
node 226.3349922560952 1.766e-05 deg
peri 145.0012837869022 2.7039e-05 deg
M 359.1367401784279 1.9766e-05 deg
tp 2459004.915295210020
(2020-Jun-04.41529521)
0.0001011 TDB
period 1841.283743187234
5.04
1.4259e-05
3.904e-08
d
yr
n .1955157652002323 1.5141e-09 deg/d
Q 3.267452068018097 1.6869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1740  
   data-arc span      10897 days (29.83 yr)  
   first obs. used      1990-11-21  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 16:29:30  

Additional Information
 Earth MOID = 1.624 au 
 Jupiter MOID = 2.2198 au 
 T_jup = 3.232 
[ 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 13.2   n/a MPO435820  

12573 (1999 NJ53)          Discovered 1999-Jul-12 by LINEAR at Socorro
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NJ53 = 1990 WT3 = 1998 KY18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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