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180704 (2004 HM48)
Classification: Main-belt Asteroid          SPK-ID: 2180704
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1198655561509951 6.7892e-08  
a 2.722001683397801 1.9399e-08 au
q 2.395727437773379 1.885e-07 au
i 13.05410032641785 8.4313e-06 deg
node 335.8021194673701 2.0165e-05 deg
peri 143.2463610622567 3.2895e-05 deg
M 333.1301594373122 2.5773e-05 deg
tp 2459322.931621040892
(2021-Apr-18.43162104)		 0.00011773 TDB
period 1640.329181406663
4.49		 1.7535e-05
4.801e-08		 d
yr
n .219468143395024 2.3461e-09 deg/d
Q 3.048275929022223 2.1724e-08 au
   Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      8041 days (22.02 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57764  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:36  

Additional Information
 Earth MOID = 1.42312 au 
 Jupiter MOID = 2.02291 au 
 T_jup = 3.311 
[ 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 15.8   n/a MPO494003  

180704 (2004 HM48)          Discovered 2004-Apr-22 by Siding Spring Survey at Siding Spring
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2004 HM48 = 1999 CS37 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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