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46544 (1988 QO)
Classification: Main-belt Asteroid          SPK-ID: 2046544
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2515449344275261 2.7946e-08  
a 2.295782273749619 7.2741e-09 au
q 1.718289872239394 6.608e-08 au
i 3.545218034264403 4.0944e-06 deg
node 271.2249794065849 6.6098e-05 deg
peri 33.59997478252716 6.6895e-05 deg
M 121.2113250393487 1.0006e-05 deg
tp 2458772.705524012008
(2019-Oct-16.20552401)
3.5158e-05 TDB
period 1270.557939249342
3.48
6.0386e-06
1.653e-08
d
yr
n .2833400893253963 1.3466e-09 deg/d
Q 2.873274675259843 9.1039e-09 au
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      11848 days (32.44 yr)  
   first obs. used      1988-08-11  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53142  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:51  

Additional Information
 Earth MOID = .702511 au 
 Jupiter MOID = 2.38249 au 
 T_jup = 3.550 
[ 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 15.93   n/a MPCxxxxx  

46544 (1988 QO)          Discovered 1988-Aug-19 by McNaught, R. H. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 QO = 1998 HY72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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