Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.499803E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T17:52:25+0800
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    1 Object 1

    AOE ID 66749
    NORAD ID 66749
    Object Type PAYLOAD
    Country
    PL PL
    ← VS →

    2 Object 2

    Name HJS-9B
    AOE ID 68832
    NORAD ID 68832
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter PIAST-S1 HJS-9B
    Time of Closest Approach 2026-10-15T12:40:51+0000
    Collision Probability (Pc) 1.499803E-6
    Conjunction Distance (km) 2.707 km
    Relative Speed (km/s) 14.162 km/s
    Conjunction Risk Parameters R (Radial): 0.853 | I (In-track): -0.928 | C (Cross-track): -2.395
    Collision Risk Index (CRI) 0.39
    X Position (km) -4899.988 -4901.258
    Position Y (km) 602.12 604.482
    Position Z (km) -4800.871 -4800.502
    Velocity X (km/s) 5.34 -3.896
    Velocity Y (km/s) 0.721 -5.651
    Velocity Z (km/s) -5.363 3.276

    Orbital Parameters 国际轨道数据源

    Parameter PIAST-S1 HJS-9B
    Semimajor Axis (a) 6879.985 km 6886.143 km
    Eccentricity (e) 0.000072 0.000927
    Inclination (i) 97.4080° 54.9985°
    RAAN 358.9288° 219.8832°
    Perigee Argument 261.6788° 353.7203°
    Mean Anomaly (M) 98.4366° 6.3698°
    Apogee 502.345 km 514.391 km
    Perigee 501.351 km 501.621 km
    Orbit Epoch 2026-10-14T04:07:31+0000 2026-10-14T14:49:51+0000

    PIAST-S1 & HJS-9B Collision Probability (Pc) Trend

    PIAST-S1 & HJS-9B Collision Probability (Pc) TrendNot Available

    PIAST-S1 & HJS-9B Miss Distance (Miss Distance) Trend

    PIAST-S1 & HJS-9B Miss Distance (Miss Distance) TrendNot Available

    PIAST-S1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-9BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PIAST-S1Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-9BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PIAST-S1

    No nearby objects data