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99908 (1990 OD6)
Classification: Main-belt Asteroid          SPK-ID: 2099908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1120775295194871 7.9087e-08  
a 2.539673172444069 1.7156e-08 au
q 2.25503287748962 1.9576e-07 au
i 15.09150333667311 4.4691e-06 deg
node 173.9919038888643 2.3057e-05 deg
peri 191.2703318615458 3.7064e-05 deg
M 94.42275946662235 3.1521e-05 deg
tp 2458612.761111050074
(2019-May-09.26111105)
0.00012928 TDB
period 1478.308840055833
4.05
1.498e-05
4.101e-08
d
yr
n .2435215093392822 2.4676e-09 deg/d
Q 2.824313467398519 1.9079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      24838 days (68.00 yr)  
   first obs. used      1952-01-31  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:57:41  

Additional Information
 Earth MOID = 1.25361 au 
 Jupiter MOID = 2.6312 au 
 T_jup = 3.389 
[ 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 15.2   n/a MPO502720  

99908 (1990 OD6)          Discovered 1990-Jul-20 by Lowe, A. at Palomar
Reference: 20050622/Numbers.arcLast Updated: 2005-06-27

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Alternate Designations
 1990 OD6 = 1978 RD = 2003 XB14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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