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295360 (2008 HF39)
Classification: Main-belt Asteroid          SPK-ID: 2295360
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05799466357179208 1.5115e-07  
a 2.589761975870374 2.6732e-08 au
q 2.439569601348753 3.8243e-07 au
i 2.220549954645569 7.8219e-06 deg
node 344.6678702991518 0.00013486 deg
peri 39.30375630635521 0.00015691 deg
M 134.6353485033836 7.0321e-05 deg
tp 2458431.195259600483
(2018-Nov-08.69525960)
0.00029908 TDB
period 1522.257778674487
4.17
2.357e-05
6.453e-08
d
yr
n .2364908263523355 3.6617e-09 deg/d
Q 2.739954350391996 2.8283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      7693 days (21.06 yr)  
   first obs. used      1999-01-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:39:19  

Additional Information
 Earth MOID = 1.44293 au 
 Jupiter MOID = 2.51082 au 
 T_jup = 3.417 
[ 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 16.9   n/a MPO460240  

295360 (2008 HF39)          Discovered 2008-Apr-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
1932-Aug-18 15:01 00:05 Hebe 0.0241434525546855 0.024114203851108 0.024172774632238 5.71390114468928 5.71390109962572 2426938.125358791 5.15802474559489 2559.10034398258 85.7970897069936 55.2627004294063 34591.9035646582 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 16:39:22 2020-Feb-25 16:39
2003-Feb-22 14:27 00:01 David 0.0496817861135728 0.0496799763517078 0.049683596173623 5.90875489977862 5.90875484831625 2452693.102052626 1.2265893395625 288.144051917507 64.3315301829355 -76.9857460918523 112666.034828483 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 16:39:22 2020-Feb-25 16:39
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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