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277414 (2005 UD231)
Classification: Main-belt Asteroid          SPK-ID: 2277414
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212508466779419 8.4336e-08  
a 2.566613372971731 2.6855e-08 au
q 2.021186300265955 2.146e-07 au
i 17.17304798673339 2.4173e-05 deg
node 43.56655355586936 4.1725e-05 deg
peri 84.1814223189009 7.0008e-05 deg
M 137.7808366601377 5.3332e-05 deg
tp 2458425.688533622569
(2018-Nov-03.18853362)
0.00022165 TDB
period 1501.893390343623
4.11
2.3572e-05
6.454e-08
d
yr
n .239697439455163 3.762e-09 deg/d
Q 3.112040445677507 3.2562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      4962 days (13.59 yr)  
   first obs. used      2005-10-25  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:54  

Additional Information
 Earth MOID = 1.11766 au 
 Jupiter MOID = 2.21602 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456918.5 (2014-Sep-18.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2137431474351501 8.3184e-08  
q 2.016379030487489 2.1189e-07 au
tp 2456925.353397975879
(2014-Sep-24.85339798)
0.00021923 TDB
node 43.63580863076397 4.1712e-05 deg
peri 83.88510108471647 6.9858e-05 deg
i 17.18932280413455 2.4182e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      4962 days (13.59 yr)  
   first obs. used      2005-10-25  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:54  

Additional Information
 Jupiter MOID = 2.21602 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.919650543700854E-15 -1.753920246642427E-14 1.465978551183984E-11 7.468047238672801E-14 3.72651240064832E-12 -8.945962794498804E-14
q -1.753920246642427E-14 4.489670440234405E-14 -3.780943836447132E-11 -2.011473065130188E-13 -9.618523580915133E-12 2.371565116567375E-13
tp 1.465978551183984E-11 -3.780943836447132E-11 4.80600423118638E-8 1.826428508302276E-10 1.251610516845588E-8 -2.39630995416374E-10
node 7.468047238672801E-14 -2.011473065130188E-13 1.826428508302276E-10 1.739899592787063E-9 -1.616154620716994E-9 -8.914896983437609E-10
peri 3.72651240064832E-12 -9.618523580915133E-12 1.251610516845588E-8 -1.616154620716994E-9 4.880161897156175E-9 7.903019692577182E-10
i -8.945962794498804E-14 2.371565116567375E-13 -2.39630995416374E-10 -8.914896983437609E-10 7.903019692577182E-10 5.847698349500371E-10

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 17.6   n/a MPO423064  

277414 (2005 UD231)          Discovered 2005-Oct-25 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
2073-Mar-12 06:43 00:03 Thisb 0.0264201526814717 0.026386573856775 0.0264537358873173 9.56619523871987 9.56619521174246 2478278.779724636 2.66678738891703 1759.50280072435 207.015691052704 18.0229845961948 6280.34548076684 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 04:46:56 2019-Sep-24 04:46
2158-Feb-07 22:12 00:06 Eunom 0.00589981989920002 0.0058791280940921 0.00592221286685458 10.3630921079685 10.3630918783717 2509291.424941855 5.77986548878081 5157.74685601776 149.693467728433 78.0935763317083 5767.57553570859 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 04:46:56 2019-Sep-24 04:46

Alternate Designations
 2005 UD231 = 2010 AH125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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