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175735 (1998 HA1)
Classification: Main-belt Asteroid          SPK-ID: 2175735
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 .2210004424461532 4.8553e-08  
a 2.384633699553576 1.0933e-08 au
q 1.857628596880228 1.1723e-07 au
i 4.553676741200726 5.2351e-06 deg
node 127.0539361712537 5.6175e-05 deg
peri 194.1004310772402 5.7006e-05 deg
M 327.6832076022717 1.1069e-05 deg
tp 2459321.241534253926
(2021-Apr-16.74153425)
4.1813e-05 TDB
period 1345.026814433136
3.68
9.2503e-06
2.533e-08
d
yr
n .2676526565395819 1.8408e-09 deg/d
Q 2.911638802226923 1.335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      9036 days (24.74 yr)  
   first obs. used      1995-08-29  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:36  

Additional Information
 Earth MOID = .843254 au 
 Jupiter MOID = 2.4101 au 
 T_jup = 3.498 
[ 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 17.10   n/a E2021B55  

175735 (1998 HA1)          Discovered 1998-Apr-17 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 1998 HA1 = 2002 LY10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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