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180695 (2004 HA31)
Classification: Main-belt Asteroid          SPK-ID: 2180695
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319567472473361 5.0407e-08  
a 2.745117874835485 2.6105e-08 au
q 2.382881049261675 1.475e-07 au
i 7.930975930239804 6.9578e-06 deg
node 3.8042048389838 3.2239e-05 deg
peri 236.1372853372409 4.6751e-05 deg
M 223.9844660117783 4.0517e-05 deg
tp 2459828.162140487104
(2022-Sep-05.66214049)
0.00019339 TDB
period 1661.268856209647
4.55
2.3697e-05
6.488e-08
d
yr
n .216701829239956 3.0912e-09 deg/d
Q 3.107354700409295 2.955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      8884 days (24.32 yr)  
   first obs. used      1996-09-21  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49782  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:33  

Additional Information
 Earth MOID = 1.38091 au 
 Jupiter MOID = 1.93921 au 
 T_jup = 3.322 
[ show covariance matrix ]

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 15.70   n/a MPCxxxxx  
diameter diameter 5.103 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180695 (2004 HA31)          Discovered 2004-Apr-21 by Broughton, J. at Reedy Creek
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1929-Mar-13 13:23 00:04 Jupiter 1.94589670957699 1.94589605457017 1.94589736458393 2.60666110961529 2.43394930080876 2425684.057739785 3.61628754026834 75.353663813335 52.0950355267574 87.4758666709645 1396353.01987087 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:27:35 2021-Apr-13 21:27
1988-Mar-24 04:39 00:01 Jupiter 1.9357626032734 1.9357620421008 1.93576316444677 2.78759653604153 2.62594057090966 2447244.694018119 1.17033974820814 97.1269621000507 16.1417559441211 -84.1282549631414 1715219.13802665 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:27:35 2021-Apr-13 21:27
2047-Apr-04 17:03 00:01 Jupiter 1.94648766255761 1.94648708370257 1.94648824141288 3.02359314076798 2.87607490254853 2468805.210576576 1.26083551142151 91.5641888965825 20.3706993789195 -84.7618348228817 1929566.58034602 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:27:35 2021-Apr-13 21:27
2106-Apr-16 10:00 00:04 Jupiter 1.97727991368198 1.97727912391801 1.97728070345371 3.30060339691758 3.16815837602282 2490365.916508788 3.60805135466494 274.833360260226 21.2292838728632 -86.9518670281908 2091720.24161581 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:27:35 2021-Apr-13 21:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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