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48859 (1998 HY13)
Classification: Main-belt Asteroid          SPK-ID: 2048859
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477095953984024 4.1623e-08  
a 2.186489677810118 7.3337e-09 au
q 1.863524172158002 9.0376e-08 au
i 4.585166368839171 3.2521e-06 deg
node 91.09871736895388 5.6481e-05 deg
peri 231.9842650396092 5.7858e-05 deg
M 203.4607648241067 1.4148e-05 deg
tp 2459513.999802435893
(2021-Oct-26.49980244)
4.7237e-05 TDB
period 1180.917542296703
3.23
5.9414e-06
1.627e-08
d
yr
n .3048477028293233 1.5337e-09 deg/d
Q 2.509455183462233 8.417e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1067  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53517  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:49:28  

Additional Information
 Earth MOID = .855082 au 
 Jupiter MOID = 2.77943 au 
 T_jup = 3.658 
[ 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 16.0   n/a MPO493202  

48859 (1998 HY13)          Discovered 1998-Apr-24 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HY13 = 1999 XH28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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