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100833 (1998 HW10)
Classification: Main-belt Asteroid          SPK-ID: 2100833
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218404019555472 4.0135e-08  
a 3.140464712749804 2.4964e-08 au
q 2.757829229821156 1.2861e-07 au
i 5.566098335458944 4.867e-06 deg
node 52.70590676589488 4.8459e-05 deg
peri 260.343557495735 5.2884e-05 deg
M 275.9636550818541 2.3724e-05 deg
tp 2459675.019383907740
(2022-Apr-05.51938391)
0.00013655 TDB
period 2032.774966274143
5.57
2.4239e-05
6.636e-08
d
yr
n .1770978125826889 2.1117e-09 deg/d
Q 3.523100195678452 2.8006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      634  
   data-arc span      8036 days (22.00 yr)  
   first obs. used      1998-04-17  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:56:07  

Additional Information
 Earth MOID = 1.74903 au 
 Jupiter MOID = 1.75928 au 
 T_jup = 3.192 
[ 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 14.87   n/a E2021B55  

100833 (1998 HW10)          Discovered 1998-Apr-17 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 HW10 = 2000 SG256 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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