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 ]  
2380 Heilongjiang (1965 SN)
Classification: Main-belt Asteroid          SPK-ID: 2002380
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0593965003460123 2.6744e-08  
a 2.191615838186762 5.4467e-09 au
q 2.061441527295576 6.0625e-08 au
i 1.922284623060626 3.1056e-06 deg
node 324.5817902768507 9.4392e-05 deg
peri 109.2354982226303 9.9778e-05 deg
M 312.575362910056 3.2509e-05 deg
tp 2459356.615702530322
(2021-May-22.11570253)
0.00010722 TDB
period 1185.072914829603
3.24
4.4178e-06
1.21e-08
d
yr
n .3037787763901119 1.1325e-09 deg/d
Q 2.321790149077949 5.7703e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3119  
   data-arc span      29756 days (81.47 yr)  
   first obs. used      1939-09-18  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36699  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:42:51  

Additional Information
 Earth MOID = 1.07666 au 
 Jupiter MOID = 2.79759 au 
 T_jup = 3.669 
[ 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 12.97   n/a E2021B10  
diameter diameter 6.490 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.237 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2009) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.319   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2380 Heilongjiang (1965 SN)          Discovered 1965-Sep-18 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1965 SN = 1939 SD = 1962 XT = 1967 GE = 1968 QX1 = 1973 AD2 = 1974 OA = 1975 VL9 = 1975 XZ2 = 1975 YL = 1978 RB6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 03:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin