Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.342175E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T17:37:55+0800
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    1 Object 1

    Name SJ-9B
    AOE ID 38861
    NORAD ID 38861
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    Name YAM-10
    AOE ID 64580
    NORAD ID 64580
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SJ-9B YAM-10
    Time of Closest Approach 2026-10-20T07:27:28+0000
    Collision Probability (Pc) 3.342175E-6
    Conjunction Distance (km) 1.853 km
    Relative Speed (km/s) 13.725 km/s
    Conjunction Risk Parameters R (Radial): 1.845 | I (In-track): -0.075 | C (Cross-track): -0.153
    Collision Risk Index (CRI) 0.45
    X Position (km) -775.408 -775.455
    Position Y (km) -2077.931 -2078.546
    Position Z (km) 6599.186 6600.933
    Velocity X (km/s) -0.668 -5.282
    Velocity Y (km/s) 7.215 -4.956
    Velocity Z (km/s) 2.177 -2.176

    Orbital Parameters 国际轨道数据源

    Parameter SJ-9B YAM-10
    Semimajor Axis (a) 6970.787 km 6969.463 km
    Eccentricity (e) 0.001561 0.000201
    Inclination (i) 97.6138° 97.7835°
    RAAN 271.4220° 44.2468°
    Perigee Argument 158.1102° 322.0872°
    Mean Anomaly (M) 202.0787° 38.0205°
    Apogee 603.531 km 592.726 km
    Perigee 581.769 km 589.926 km
    Orbit Epoch 2026-10-18T16:29:37+0000 2026-10-19T00:24:05+0000

    SJ-9B & YAM-10 Collision Probability (Pc) Trend

    SJ-9B & YAM-10 Collision Probability (Pc) TrendNot Available

    SJ-9B & YAM-10 Miss Distance (Miss Distance) Trend

    SJ-9B & YAM-10 Miss Distance (Miss Distance) TrendNot Available

    SJ-9BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAM-10Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ-9BCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAM-10Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ-9B

    No nearby objects data