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277771 (2006 DH177)
Classification: Main-belt Asteroid          SPK-ID: 2277771
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 .05680202505338007 5.5139e-08  
a 2.748970624969951 2.435e-08 au
q 2.592823526659402 1.5749e-07 au
i 3.79639498999874 6.6232e-06 deg
node 5.357913547525762 6.4302e-05 deg
peri 23.07399829587881 7.9004e-05 deg
M 179.7501948597123 4.653e-05 deg
tp 2458169.271463098848
(2018-Feb-19.77146310)
0.00021298 TDB
period 1664.767448613679
4.56
2.212e-05
6.056e-08
d
yr
n .216246419462242 2.8733e-09 deg/d
Q 2.9051177232805 2.5733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      7508 days (20.56 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6118  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:29:35  

Additional Information
 Earth MOID = 1.59741 au 
 Jupiter MOID = 2.34864 au 
 T_jup = 3.341 
[ 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 16.7   n/a MPO427525  

277771 (2006 DH177)          Discovered 2006-Feb-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ 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
2111-Dec-14 13:43 00:30 Iris 0.0427768161262419 0.0427756965207784 0.042777939323104 2.77701819776322 2.77701814936985 2492434.071747784 30.1152483258034 1514.81460847228 51.0077579494295 -89.1374498249082 125301.837138838 T 12 CATAB v2.0f-lin.ifort 2020-May-21 16:29:55 2020-May-21 16:30

Alternate Designations
 2006 DH177 = 2008 SX212 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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