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30548 (2001 OT45)
Classification: Main-belt Asteroid          SPK-ID: 2030548
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016376446432849 3.6188e-08  
a 2.921518874467504 1.6256e-08 au
q 2.624582577285726 1.07e-07 au
i 7.089804728791291 4.2069e-06 deg
node 102.0165192569488 3.9695e-05 deg
peri 243.6163999319632 4.7706e-05 deg
M 286.2393966121052 2.8328e-05 deg
tp 2459574.208891935790
(2021-Dec-25.70889194)
0.00014473 TDB
period 1823.943879490598
4.99
1.5223e-05
4.168e-08
d
yr
n .1973744938361497 1.6473e-09 deg/d
Q 3.218455171649282 1.7908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      968  
   data-arc span      10108 days (27.67 yr)  
   first obs. used      1992-11-19  
   last obs. used      2020-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56819  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:37:24  

Additional Information
 Earth MOID = 1.62449 au 
 Jupiter MOID = 2.15676 au 
 T_jup = 3.261 
[ 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 14.63   n/a E2021B10  
diameter diameter 4.215 km 1.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30548 (2001 OT45)          Discovered 2001-Jul-16 by LONEOS at Anderson Mesa
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 OT45 = 1997 WC47 = 2000 LD37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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