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JPL Small-Body Database Browser
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39402 (9074 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039402
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478423840599901 3.2622e-08  
a 2.69059959743565 1.1786e-08 au
q 2.292814938399915 8.8723e-08 au
i .7499556849721749 3.6723e-06 deg
node 245.5534940524266 0.00040941 deg
peri 174.076984001224 0.00040986 deg
M 137.7971620495008 2.0161e-05 deg
tp 2458383.464986402353
(2018-Sep-21.96498640)
8.8401e-05 TDB
period 1612.025977830781
4.41
1.0592e-05
2.9e-08
d
yr
n .223321463146911 1.4674e-09 deg/d
Q 3.088384256471386 1.3529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      21765 days (59.59 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:43:01  

Additional Information
 Earth MOID = 1.30533 au 
 Jupiter MOID = 2.23218 au 
 T_jup = 3.356 
[ 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 15.2   n/a MPO468233  
diameter diameter 5.851 km 0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39402 (9074 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ 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
1982-Oct-29 01:30 < 00:01 Amphi 0.0480573824738598 0.0480548117126957 0.0480599532432798 2.6736350715134 2.67363502677187 2445271.562675132 0.93452129103798 132.193083500564 35.8283266117761 -14.9178201605667 73603.3982409395 T 22 CATAB v2.0f-lin.ifort 2020-May-20 08:43:05 2020-May-20 08:43
2101-Apr-10 18:30 00:01 Hygie 0.0287534959821157 0.0287468864864517 0.0287601059828001 3.96221844412155 3.96221810498596 2488534.270895507 1.4636301243658 381.262672188072 59.5177642189983 -30.7862015900334 38167.764390467 T 22 CATAB v2.0f-lin.ifort 2020-May-20 08:43:05 2020-May-20 08:43

Alternate Designations
 9074 P-L = 2000 SA153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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