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541442 (2011 HY102)
Classification: Main-belt Asteroid          SPK-ID: 2541442
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04748242689969247 5.5918e-08  
a 3.137597032735935 4.9992e-08 au
q 2.988616310988359 1.645e-07 au
i 12.13478208232582 5.1294e-06 deg
node 121.3124143159424 2.814e-05 deg
peri 133.7898839334739 6.7467e-05 deg
M 210.7123035862202 6.4707e-05 deg
tp 2460042.313122118127
(2023-Apr-07.81312212)
0.00037196 TDB
period 2029.991293606382
5.56
4.8516e-05
1.328e-07
d
yr
n .1773406620677874 4.2384e-09 deg/d
Q 3.286577754483511 5.2366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      8036 days (22.00 yr)  
   first obs. used      1999-01-15  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:14  

Additional Information
 Earth MOID = 1.98441 au 
 Jupiter MOID = 1.87962 au 
 T_jup = 3.175 
[ 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 15.77   .2383 MPCxxxxx autocmod 2.8

541442 (2011 HY102)          Discovered 2011-Mar-16 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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