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312439 (2008 HO32)
Classification: Main-belt Asteroid          SPK-ID: 2312439
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09103670035268416 9.3014e-08  
a 3.170908476002643 5.7766e-08 au
q 2.882239431227004 2.7921e-07 au
i 9.398644825496053 9.0593e-06 deg
node 190.4926020313814 4.5847e-05 deg
peri 187.3443283428693 6.6023e-05 deg
M 259.9888589190691 5.3172e-05 deg
tp 2459573.454149199463
(2021-Dec-24.95414920)
0.00031586 TDB
period 2062.405162889745
5.65
5.6358e-05
1.543e-07
d
yr
n .1745534807988868 4.7699e-09 deg/d
Q 3.459577520778282 6.3025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5340 days (14.62 yr)  
   first obs. used      2004-09-09  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5907  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:47:37  

Additional Information
 Earth MOID = 1.88397 au 
 Jupiter MOID = 2.00127 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457056.5 (2015-Feb-03.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09301543023752276 9.3076e-08  
q 2.872520917266947 2.7784e-07 au
tp 2457521.802658813610
(2016-May-13.30265881)
0.00026961 TDB
node 190.5786606037149 4.5804e-05 deg
peri 188.5992143836773 6.5064e-05 deg
i 9.406751537663881 9.0683e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5340 days (14.62 yr)  
   first obs. used      2004-09-09  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5907  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:47:37  

Additional Information
 Jupiter MOID = 2.00127 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.663177519055838E-15 -2.546001348680605E-14 8.044030936704121E-12 9.508794646073015E-15 1.156380844443339E-12 -5.734316383162699E-15
q -2.546001348680605E-14 7.719541808456894E-14 -1.693718271875576E-11 -3.300017887849081E-14 -2.322265838035799E-12 1.707198478240719E-14
tp 8.044030936704121E-12 -1.693718271875576E-11 7.268721203566759E-8 -7.546728879999317E-12 1.24956282219434E-8 -1.984148192874625E-11
node 9.508794646073015E-15 -3.300017887849081E-14 -7.546728879999317E-12 2.098046301427329E-9 -2.070670757938126E-9 8.861553523220241E-11
peri 1.156380844443339E-12 -2.322265838035799E-12 1.24956282219434E-8 -2.070670757938126E-9 4.233348146877379E-9 -9.084712560441849E-11
i -5.734316383162699E-15 1.707198478240719E-14 -1.984148192874625E-11 8.861553523220241E-11 -9.084712560441849E-11 8.223435065581822E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO437379  
diameter diameter 3.221 km 0.950 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312439 (2008 HO32)          Discovered 2008-Apr-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2008 HO32 = 2004 SF37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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