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JPL Small-Body Database Browser
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19581 (1999 NC3)
Classification: Main-belt Asteroid          SPK-ID: 2019581
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488535095330286 3.3968e-08  
a 2.668590540011652 1.2512e-08 au
q 2.271361472624278 8.9865e-08 au
i 5.470121340173201 4.3666e-06 deg
node 168.2189377849817 3.786e-05 deg
peri 145.5173558121137 4.0739e-05 deg
M 264.7738902754474 1.5899e-05 deg
tp 2459421.686925914457
(2021-Jul-26.18692591)
7.08e-05 TDB
period 1592.286965915082
4.36
1.1198e-05
3.066e-08
d
yr
n .2260898994378877 1.5901e-09 deg/d
Q 3.065819607399026 1.4374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1727  
   data-arc span      8932 days (24.45 yr)  
   first obs. used      1995-08-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:51:08  

Additional Information
 Earth MOID = 1.26021 au 
 Jupiter MOID = 2.22711 au 
 T_jup = 3.360 
[ 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 14.0   n/a MPO365487  
diameter diameter 4.928 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.241   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19581 (1999 NC3)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NC3 = 1998 DW11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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