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90471 Andrewdrake (2004 CF98)
Classification: Main-belt Asteroid          SPK-ID: 2090471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1427509825812781 3.9599e-08  
a 2.326240465279414 9.3036e-09 au
q 1.994167353140448 9.1157e-08 au
i 6.288827723837148 4.4997e-06 deg
node 60.38993155867546 3.1105e-05 deg
peri 140.6961641769508 3.3695e-05 deg
M 276.1261267137518 1.4451e-05 deg
tp 2459698.428795433492
(2022-Apr-28.92879543)
5.302e-05 TDB
period 1295.926396353493
3.55
7.7744e-06
2.129e-08
d
yr
n .27779355448965 1.6665e-09 deg/d
Q 2.65831357741838 1.0632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      9246 days (25.31 yr)  
   first obs. used      1995-10-21  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:40:20  

Additional Information
 Earth MOID = .995726 au 
 Jupiter MOID = 2.30293 au 
 T_jup = 3.552 
[ 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 15.94   n/a MPCxxxxx  

90471 Andrewdrake           Discovered 2004 Feb. 14 by the Catalina Sky Survey.
Andrew Drake (b. 1969) is a scientist at the Center for Advanced Computing Research. He is responsible for event discovery, classification and publication for the Catalina Real-Time Transient Survey. His interests are real-time- transient and time-domain astronomy and the search for white dwarf exoplanets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13

[ show close-approach data ]
Alternate Designations
 2004 CF98 = 2001 KV49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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