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JPL Small-Body Database Browser
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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156257059657335 3.0858e-08  
a 2.193859425939515 6.0789e-09 au
q 1.940192881025679 6.9525e-08 au
i 5.467948495647197 3.2161e-06 deg
node 274.9398583078959 3.4532e-05 deg
peri 312.4994204779636 3.7324e-05 deg
M 347.0305976064896 1.4119e-05 deg
tp 2459043.259152175029
(2020-Jul-12.75915217)
4.6545e-05 TDB
period 1186.89314402897
3.25
4.9331e-06
1.351e-08
d
yr
n .3033128987315246 1.2607e-09 deg/d
Q 2.44752597085335 6.7818e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2211  
   data-arc span      25340 days (69.38 yr)  
   first obs. used      1950-12-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:45:06  

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

[ 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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