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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206678411026574 4.5124e-08  
a 2.690667480078164 1.4226e-08 au
q 2.134564600694733 1.2115e-07 au
i 10.50590679018611 6.6948e-06 deg
node 317.5305827430418 2.3381e-05 deg
peri 83.84352725813642 2.9011e-05 deg
M 91.2007288695322 1.6273e-05 deg
tp 2458592.101366758821
(2019-Apr-18.60136676)
7.1655e-05 TDB
period 1612.086984273445
4.41
1.2785e-05
3.5e-08
d
yr
n .2233130119602381 1.7711e-09 deg/d
Q 3.246770359461595 1.7167e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58409  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:55:39  

Additional Information
 Earth MOID = 1.17281 au 
 Jupiter MOID = 2.30695 au 
 T_jup = 3.317 
[ 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 15.6   n/a MPO333620  
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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