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3024 Hainan (1981 UW9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003024
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1301694263644321 4.8478e-08  
a 3.412476432475577 2.032e-08 au
q 2.968276332778087 1.7042e-07 au
i 14.84543619044169 5.4715e-06 deg
node 27.41170642924472 1.5271e-05 deg
peri 341.3981871456511 2.1258e-05 deg
M 356.5853639446048 1.4857e-05 deg
tp 2458622.339607999063
(2019-May-18.83960800)
9.5043e-05 TDB
period 2302.51738460977
6.30
2.0566e-05
5.631e-08
d
yr
n .156350611033937 1.3965e-09 deg/d
Q 3.856676532173066 2.2965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3208  
   data-arc span      27784 days (76.07 yr)  
   first obs. used      1943-11-03  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35603  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:43:21  

Additional Information
 Earth MOID = 1.97208 au 
 Jupiter MOID = 1.61174 au 
 T_jup = 3.077 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456622.5 (2013-Nov-26.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1234770281143399 4.7022e-08  
q 2.997901032529238 1.6226e-07 au
tp 2456297.864182937179
(2013-Jan-05.36418294)
0.00010523 TDB
node 27.96964523960123 1.5384e-05 deg
peri 338.7421092658883 2.236e-05 deg
i 14.77139187449459 5.4513e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3208  
   data-arc span      27784 days (76.07 yr)  
   first obs. used      1943-11-03  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35603  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:43:21  

Additional Information
 Jupiter MOID = 1.61174 au 
 T_jup = 3.077 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.211064774404787E-15 -7.583880688065481E-15 9.307060573719054E-13 1.052584130439731E-14 1.117528603914831E-13 4.246669584768145E-15
q -7.583880688065481E-15 2.632802980241725E-14 -3.333318894355815E-12 -3.307483059926671E-14 -3.949080654399808E-13 -1.150796047653177E-14
tp 9.307060573719054E-13 -3.333318894355815E-12 1.107318534427319E-8 -6.817331859963881E-12 1.725566758417361E-9 1.11968489069254E-11
node 1.052584130439731E-14 -3.307483059926671E-14 -6.817331859963881E-12 2.366670043720182E-10 -2.294873946722513E-10 -1.189398935887317E-11
peri 1.117528603914831E-13 -3.949080654399808E-13 1.725566758417361E-9 -2.294873946722513E-10 4.999605884127966E-10 1.26759271206224E-11
i 4.246669584768145E-15 -1.150796047653177E-14 1.11968489069254E-11 -1.189398935887317E-11 1.26759271206224E-11 2.971676237349199E-11

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 10.8   n/a MPO416741  
diameter diameter 37.189 km 0.516 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.746 h n/a LCDB (Rev. 2019-January); 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:
[Li, B.; Zhao, H.; Han, X.L.; Liu, W.; et al. (2013) Minor Planet Bull. 40, 43-44.]
[Simpson, G.; Chong, E.; Gerhardt, M.; Gorsky, S.; et al. (2013) Minor Planet Bull. 146-151.]
geometric albedo albedo 0.067   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3024 Hainan (1981 UW9)          Discovered 1981-Oct-23 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 UW9 = 1943 VG = 1949 SD1 = 1956 VP = 1962 WH = 1968 TA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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