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123901 (2001 DB66)
Classification: Main-belt Asteroid          SPK-ID: 2123901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014886448534866 4.6722e-08  
a 2.991818611456232 2.6022e-08 au
q 2.688182994932099 1.4463e-07 au
i 8.488148865179333 6.4287e-06 deg
node 319.7988718971053 3.5726e-05 deg
peri 147.889619143302 4.9668e-05 deg
M 296.6514761691667 3.6158e-05 deg
tp 2459333.110009470537
(2021-Apr-28.61000947)
0.00019201 TDB
period 1890.171959320593
5.18
2.4661e-05
6.752e-08
d
yr
n .1904588618113873 2.4849e-09 deg/d
Q 3.295454227980365 2.8663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7221 days (19.77 yr)  
   first obs. used      2001-01-21  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:31:41  

Additional Information
 Earth MOID = 1.70915 au 
 Jupiter MOID = 1.8072 au 
 T_jup = 3.231 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457160.5 (2015-May-18.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09836980469289233 4.7075e-08  
q 2.698538771030868 1.4511e-07 au
tp 2457442.950860610278
(2016-Feb-24.45086061)
0.00018708 TDB
node 320.005469571819 3.5645e-05 deg
peri 147.9544673031389 5.0408e-05 deg
i 8.494747506698062 6.4376e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7221 days (19.77 yr)  
   first obs. used      2001-01-21  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:31:41  

Additional Information
 Jupiter MOID = 1.8072 au 
 T_jup = 3.231 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.216083007982639E-15 -6.741615493828118E-15 2.301719154742998E-12 -1.747299190826534E-14 5.172074080904226E-13 -1.880414533588149E-16
q -6.741615493828118E-15 2.105726378095049E-14 -5.147628517795708E-12 5.325983763356976E-14 -1.245860217701733E-12 2.314533266842131E-15
tp 2.301719154742998E-12 -5.147628517795708E-12 3.499840271028729E-8 -6.826166975754204E-11 6.69659920626656E-9 -3.181354365097889E-13
node -1.747299190826534E-14 5.325983763356976E-14 -6.826166975754204E-11 1.270583316655442E-9 -1.26930680914139E-9 8.78463863608127E-11
peri 5.172074080904226E-13 -1.245860217701733E-12 6.69659920626656E-9 -1.26930680914139E-9 2.540994336892481E-9 -8.700730056236066E-11
i -1.880414533588149E-16 2.314533266842131E-15 -3.181354365097889E-13 8.78463863608127E-11 -8.700730056236066E-11 4.144228194490923E-11

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 15.1   n/a MPO493706  

123901 (2001 DB66)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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