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100740 (1998 DP22)
Classification: Main-belt Asteroid          SPK-ID: 2100740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2068363966069452 4.515e-08  
a 2.690181406382945 1.4231e-08 au
q 2.133753978067693 1.2119e-07 au
i 10.50624508268044 6.6953e-06 deg
node 317.5316990873296 2.3382e-05 deg
peri 83.80136474334577 2.9001e-05 deg
M 135.9047946099898 1.6399e-05 deg
tp 2458592.080598330359
(2019-Apr-18.58059833)
7.1563e-05 TDB
period 1611.650164584926
4.41
1.2788e-05
3.501e-08
d
yr
n .2233735384457436 1.7725e-09 deg/d
Q 3.246608834698197 1.7174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      8647 days (23.67 yr)  
   first obs. used      1996-08-18  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58413  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:33  

Additional Information
 Earth MOID = 1.17103 au 
 Jupiter MOID = 2.30822 au 
 T_jup = 3.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.74   n/a E2021B55  
diameter diameter 5.214 km 1.895 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.039   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

100740 (1998 DP22)          Discovered 1998-Feb-24 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 DP22 = 1996 QH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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