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249678 (1999 VC211)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249678
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450641462090221 5.1192e-08  
a 3.203036124906605 3.5866e-08 au
q 2.738390424170373 1.5193e-07 au
i 2.37753090786549 5.3925e-06 deg
node 119.4011900998803 0.0001674 deg
peri 339.6892885070552 0.00016946 deg
M 188.0774251442626 2.8152e-05 deg
tp 2460000.434581562650
(2023-Feb-24.93458156)
0.00017268 TDB
period 2093.828862583143
5.73
3.5169e-05
9.629e-08
d
yr
n .1719338224977329 2.8879e-09 deg/d
Q 3.667681825642836 4.1069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      1999-11-05  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:16:04  

Additional Information
 Earth MOID = 1.75542 au 
 Jupiter MOID = 1.49328 au 
 T_jup = 3.176 
[ 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 16.0   n/a MPO437159  
diameter diameter 3.608 km 0.844 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249678 (1999 VC211)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1999 VC211 = 2007 DO112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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