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 ]  
2077 Kiangsu (1974 YA)
Classification: Mars-crossing Asteroid          SPK-ID: 2002077
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2949125415395613 4.5944e-08  
a 2.327551300678946 6.4832e-09 au
q 1.641127231032006 1.0909e-07 au
i 28.08719944223328 5.0793e-06 deg
node 69.4623171301342 7.0437e-06 deg
peri 344.2186386336721 8.9372e-06 deg
M 353.2456846974829 6.4081e-06 deg
tp 2459224.834708554825
(2021-Jan-10.33470855)
2.3149e-05 TDB
period 1297.021931515755
3.55
5.4191e-06
1.484e-08
d
yr
n .2775589149670651 1.1597e-09 deg/d
Q 3.013975370325885 8.3952e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1882  
   data-arc span      16881 days (46.22 yr)  
   first obs. used      1974-12-18  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:37:47  

Additional Information
 Earth MOID = .662364 au 
 Jupiter MOID = 2.36436 au 
 T_jup = 3.363 
[ 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 13.66   n/a MPCxxxxx  
diameter diameter 3.791 km 0.609 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 104.2 h n/a LCDB (Rev. 2020-October); 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:
[Stephens, R.D.; French, L.M.; Davitt, C.; Coley, D.R. (2014) Minor Planet Bull. 41, 95-100.]
[Stephens, R.D. (2014) Minor Planet Bull. 41, 226-230.]
geometric albedo albedo 0.358   0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

2077 Kiangsu (1974 YA)          Discovered 1974-Dec-18 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1974 YA = 2019 GM36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 08:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin