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15996 (1998 YC12)
Classification: Main-belt Asteroid          SPK-ID: 2015996
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697791553367324 1.5917e-08  
a 2.299737158595029 7.2664e-09 au
q 1.909289726312268 3.79e-08 au
i 7.272608419226298 6.0442e-07 deg
node 314.0802259990049 6.9139e-06 deg
peri 291.2137916777947 8.9869e-06 deg
M 355.4503561374543 8.205e-06 deg
tp 2459216.598693503094
(2021-Jan-02.09869350)
2.9069e-05 TDB
period 1273.842488820871
3.49
6.0374e-06
1.653e-08
d
yr
n .2826095087574233 1.3394e-09 deg/d
Q 2.69018459087779 8.5001e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1952  
   data-arc span      13932 days (38.14 yr)  
   first obs. used      1982-04-20  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:15:46  

Additional Information
 Earth MOID = .908691 au 
 Jupiter MOID = 2.38682 au 
 T_jup = 3.562 
[ 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 14.36   n/a E2021B10  
diameter diameter 5.093 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.143   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15996 (1998 YC12)          Discovered 1998-Dec-27 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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