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100399 (1995 YM7)
Classification: Main-belt Asteroid          SPK-ID: 2100399
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03068201750956443 4.2571e-08  
a 2.938797453155469 2.4938e-08 au
q 2.848629218240689 1.2634e-07 au
i 3.363917940304555 5.4056e-06 deg
node 155.3181648989704 7.7666e-05 deg
peri 215.1170409685939 0.00011701 deg
M .9210790107203523 8.6638e-05 deg
tp 2458995.791882487040
(2020-May-26.29188249)
0.00044286 TDB
period 1840.148657106004
5.04
2.3422e-05
6.413e-08
d
yr
n .1956363680780936 2.4902e-09 deg/d
Q 3.028965688070248 2.5703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      8208 days (22.47 yr)  
   first obs. used      1995-12-16  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58358  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:51:52  

Additional Information
 Earth MOID = 1.84751 au 
 Jupiter MOID = 2.10658 au 
 T_jup = 3.270 
[ 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 15.6   n/a MPO449610  

100399 (1995 YM7)          Discovered 1995-Dec-16 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1973-Dec-09 01:20 < 00:01 Inter 0.0226319535010672 0.0226232979710892 0.0226406111814862 6.27739643352244 6.27739633047977 2442025.555564936 0.889786834432412 555.409983478614 45.0378495829922 39.1721384545059 47698.4175561141 T 15 CATAB v2.0e-lin.ifort 2019-Jul-13 09:51:55 2019-Jul-13 09:51
2014-Feb-10 22:56 00:01 Psych 0.0425780900440052 0.0425753875427166 0.0425807925696892 1.57228509299211 1.57228491225984 2456699.455278505 1.18150841586476 145.938124837588 69.4989556062759 27.0198126128532 56640.3380914567 T 15 CATAB v2.0e-lin.ifort 2019-Jul-13 09:51:55 2019-Jul-13 09:51
2059-Aug-21 12:44 00:01 Inter 0.0487258182843587 0.0487239032509385 0.0487277375130529 6.20363638187387 6.20363633344401 2473327.030775864 1.3961840480752 809.67459934071 44.2332231787045 83.9848064075257 163824.875090371 T 15 CATAB v2.0e-lin.ifort 2019-Jul-13 09:51:55 2019-Jul-13 09:51
2140-Jul-03 19:07 < 00:01 Hygie 0.0485753483842958 0.0485414627499477 0.0486092476444482 3.00436115086299 3.00436088611396 2502863.296347802 0.908862970509331 2116.96097243591 54.1188278202981 -37.2363414195148 81037.6112637239 T 15 CATAB v2.0e-lin.ifort 2019-Jul-13 09:51:55 2019-Jul-13 09:51

Alternate Designations
 1995 YM7 = 2002 CS131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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