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JPL Small-Body Database Browser
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56293 (1999 NH44)
Classification: Main-belt Asteroid          SPK-ID: 2056293
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745906036362961 4.1747e-08  
a 2.620476352179616 2.0143e-08 au
q 2.162965804037938 1.0996e-07 au
i 7.948299146989068 5.1927e-06 deg
node 167.9562728245299 2.9587e-05 deg
peri 71.4145082242879 3.646e-05 deg
M 264.1395334287166 2.8449e-05 deg
tp 2459013.077777332173
(2020-Jun-12.57777733)
0.0001263 TDB
period 1549.41870358136
4.24
1.7865e-05
4.891e-08
d
yr
n .232345200924636 2.679e-09 deg/d
Q 3.077986900321295 2.366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      7691 days (21.06 yr)  
   first obs. used      1998-02-17  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57972  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:24:19  

Additional Information
 Earth MOID = 1.16713 au 
 Jupiter MOID = 1.96794 au 
 T_jup = 3.370 
[ 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 14.7   n/a MPO436176  

56293 (1999 NH44)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NH44 = 1998 DO6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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