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104698 Alvindrew (2000 GJ163)
Classification: Main-belt Asteroid          SPK-ID: 2104698
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212594504459322 4.5814e-08  
a 2.37208921552625 7.5826e-09 au
q 1.867796084218144 1.0895e-07 au
i 6.352567607436099 4.7204e-06 deg
node 185.5187783570993 3.2016e-05 deg
peri 211.7205075993076 3.3167e-05 deg
M 7.732877906107815 7.2447e-06 deg
tp 2459171.836210365431
(2020-Nov-18.33621037)
2.6865e-05 TDB
period 1334.427414183569
3.65
6.3984e-06
1.752e-08
d
yr
n .2697786302751098 1.2936e-09 deg/d
Q 2.876382346834355 9.1946e-09 au
  Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      8174 days (22.38 yr)  
   first obs. used      1998-09-16  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46539  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:52:51  

Additional Information
 Earth MOID = .876834 au 
 Jupiter MOID = 2.55868 au 
 T_jup = 3.505 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.61   n/a E2021B55  
diameter diameter 1.224 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.270   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

104698 Alvindrew           Discovered 2000 Apr. 10 by M. W. Buie at Kitt Peak.
Benjamin Alvin Drew (b. 1962) is a former NASA astronaut who flew two Space Shuttle missions to the International Space Station as a mission specialist. He logged more than 25 days in space. He also conducted two space walks.
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 2021-01-27Last Updated: 2021-02-23

Alternate Designations
 2000 GJ163 = 1998 SC54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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