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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457066.5 (2015-Feb-13.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158738699223188 3.0527e-08  
q 1.939869035130684 6.8957e-08 au
tp 2456669.118625744682
(2014-Jan-11.61862574)
4.6145e-05 TDB
node 274.9902726222356 3.4118e-05 deg
peri 312.4517002964685 3.6807e-05 deg
i 5.467280934775192 3.0322e-06 deg
  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
 Jupiter MOID = 2.55656 au 
 T_jup = 3.656 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.318701312339838E-16 -2.099493513295242E-15 -4.592878229877975E-14 4.603263065086676E-15 -2.521186567855751E-14 -1.30931249125769E-15
q -2.099493513295242E-15 4.755066994686189E-15 3.340887073797858E-14 -1.030383417884759E-14 3.73873811414694E-14 2.989348209628035E-15
tp -4.592878229877975E-14 3.340887073797858E-14 2.129363373999149E-9 8.882302038638251E-12 6.466331036554994E-10 9.955484446042716E-13
node 4.603263065086676E-15 -1.030383417884759E-14 8.882302038638251E-12 1.164030079441677E-9 -1.155682429302696E-9 -5.84555079468519E-12
peri -2.521186567855751E-14 3.73873811414694E-14 6.466331036554994E-10 -1.155682429302696E-9 1.354747634654471E-9 6.118901396953264E-12
i -1.30931249125769E-15 2.989348209628035E-15 9.955484446042716E-13 -5.84555079468519E-12 6.118901396953264E-12 9.194070473248162E-12

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

[ show close-approach data ]
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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