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724 Hapag (1911 NC)
Classification: Main-belt Asteroid          SPK-ID: 2000724
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2492217561296117 7.0712e-08  
a 2.455717286119928 8.4633e-09 AU
q 1.843699111515275 1.7318e-07 AU
i 11.70543490357368 7.5805e-06 deg
node 204.2797380793856 2.6703e-05 deg
peri 205.4231894022268 2.9248e-05 deg
M 280.1657910097247 1.2642e-05 deg
tp 2457312.211269318046
(2015-Oct-16.71126932)
4.9543e-05 JED
period 1405.613688339615
3.85
7.2664e-06
1.989e-08
d
yr
n .2561158894413236 1.324e-09 deg/d
Q 3.067735460724581 1.0573e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      37533 days (102.76 yr)  
   first obs. used      1911-10-22  
   last obs. used      2014-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57571  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:47:36  

Additional Information
 Earth MOID = .859381 AU 
 T_jup = 3.422 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO265959  
rotation period rot_per 3.1305 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Vander Haagen, G.A. (2012) Minor Planet Bul. 39, 48-50.]
[Pilcher, F. (2012) Minor Planet Bul. 39, 57-60.]

724 Hapag (1911 NC)          Discovered 1911-Oct-21 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1911 NC = 1988 VG2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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