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2780 Monnig (1981 DO2)
Classification: Main-belt Asteroid          SPK-ID: 2002780
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156257067387116 3.0576e-08  
a 2.193859426286141 5.9842e-09 au
q 1.940192879636422 6.9034e-08 au
i 5.467947368761822 3.0326e-06 deg
node 274.9398531233777 3.4111e-05 deg
peri 312.4994267170169 3.6806e-05 deg
M 347.0305962095138 1.3511e-05 deg
tp 2459043.259156790888
(2020-Jul-12.75915679)
4.4532e-05 TDB
period 1186.893144310262
3.25
4.8562e-06
1.33e-08
d
yr
n .3033128986596401 1.241e-09 deg/d
Q 2.447525972935861 6.6761e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2437  
   data-arc span      25446 days (69.67 yr)  
   first obs. used      1950-12-11  
   last obs. used      2020-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:06:09  

Additional Information
 Earth MOID = .934634 au 
 Jupiter MOID = 2.55656 au 
 T_jup = 3.656 
[ 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 13.6   n/a MPO347542  
diameter diameter 4.842 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.267   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2780 Monnig (1981 DO2)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
2017-Nov-27 04:57 < 00:01 Hebe 0.0478311777985492 0.0478304630089894 0.0478318926042498 9.22219746553354 9.22219745144026 2458084.706240798 0.180635584713177 77.6949761258272 27.5445940602505 -71.8613414517713 248493.969995106 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:06:16 2020-Nov-13 04:06
2105-Oct-17 05:26 < 00:01 Iris 0.0400821098545661 0.0400764950842172 0.0400877262979199 6.66316631698048 6.66316629545555 2490184.726057157 0.206109039131591 497.641825581221 34.6558434193019 -55.9711164199364 143520.093014857 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:06:16 2020-Nov-13 04:06

Alternate Designations
 1981 DO2 = 1952 KV = 1971 BT3 = 1971 BV2 = 1976 YO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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