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181016 (2005 ND78)
Classification: Main-belt Asteroid          SPK-ID: 2181016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060826314814511 4.8146e-08  
a 2.763004128394849 1.8271e-08 au
q 2.46989737966061 1.3292e-07 au
i 2.939599380976703 5.5738e-06 deg
node 310.3264653287744 0.00010252 deg
peri 80.66745605257402 0.0001072 deg
M 60.16360910455501 2.8845e-05 deg
tp 2458920.149001168801
(2020-Mar-11.64900117)
0.00013415 TDB
period 1677.531668750743
4.59
1.664e-05
4.556e-08
d
yr
n .2146010157102381 2.1287e-09 deg/d
Q 3.056110877129087 2.021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      7051 days (19.30 yr)  
   first obs. used      2001-10-14  
   last obs. used      2021-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62967  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:53  

Additional Information
 Earth MOID = 1.47622 au 
 Jupiter MOID = 2.36284 au 
 T_jup = 3.330 
[ 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 16.63   n/a MPCxxxxx  

181016 (2005 ND78)          Discovered 2005-Jul-11 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 ND78 = 2001 TK221 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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