Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
20127 (1995 YV22)
Classification: Main-belt Asteroid          SPK-ID: 2020127
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142251237340801 3.7542e-08  
a 3.116466118303833 1.7556e-08 au
q 2.760487390327509 1.1656e-07 au
i 1.610341535761259 4.2333e-06 deg
node 149.7124975275247 0.0001517 deg
peri 349.4566626472076 0.00015315 deg
M 144.2609169423258 2.0601e-05 deg
tp 2458195.236102188008
(2018-Mar-17.73610219)
0.00011388 TDB
period 2009.518651044028
5.50
1.698e-05
4.649e-08
d
yr
n .1791473793054696 1.5138e-09 deg/d
Q 3.472444846280156 1.9562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      8983 days (24.59 yr)  
   first obs. used      1995-12-23  
   last obs. used      2020-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:04:37  

Additional Information
 Earth MOID = 1.77378 au 
 Jupiter MOID = 1.54809 au 
 T_jup = 3.207 
[ 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 14.7   n/a MPO435886  
diameter diameter 7.118 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.47 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]
geometric albedo albedo 0.038   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20127 (1995 YV22)          Discovered 1995-Dec-19 by JPL/GEODSS NEAT at Haleakala
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 YV22 = 1997 GS40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-24 02:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin