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JPL Small-Body Database Browser
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2380 Heilongjiang (1965 SN)
Classification: Main-belt Asteroid          SPK-ID: 2002380
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05972846928610467 3.601e-08  
a 2.191880980300953 6.2677e-09 au
q 2.06096328449025 7.8892e-08 au
i 1.921254198482508 3.3786e-06 deg
node 324.6309466798755 0.00011721 deg
peri 108.2701244074656 0.00012175 deg
M 131.3477682006463 3.2842e-05 deg
tp 2458168.041859899401
(2018-Feb-18.54185990)
0.00010764 TDB
period 1185.287976864532
3.25
5.084e-06
1.392e-08
d
yr
n .3037236579015302 1.3027e-09 deg/d
Q 2.322798676111655 6.642e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2253  
   data-arc span      29090 days (79.64 yr)  
   first obs. used      1939-09-18  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4086  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 20:20:45  

Additional Information
 Earth MOID = 1.07635 au 
 Jupiter MOID = 2.80168 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 12.9   n/a MPO384771  
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. 2019-January); 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 ]
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