Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.819391E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T01:59:27+0800
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    1 Object 1

    AOE ID 8679
    NORAD ID 8679
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    Name HJS-9D
    AOE ID 68834
    NORAD ID 68834
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB * HJS-9D
    Time of Closest Approach 2026-10-22T23:07:16+0000
    Collision Probability (Pc) 7.819391E-6
    Conjunction Distance (km) 1.205 km
    Relative Speed (km/s) 6.325 km/s
    Conjunction Risk Parameters R (Radial): 0.587 | I (In-track): 0.958 | C (Cross-track): -0.436
    Collision Risk Index (CRI) 0.53
    X Position (km) -5759.021 -5759.013
    Position Y (km) -2366.688 -2366.976
    Position Z (km) 2906.347 2907.517
    Velocity X (km/s) 2.466 4.156
    Velocity Y (km/s) 2.398 -3.509
    Velocity Z (km/s) 6.841 5.344

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB * HJS-9D
    Semimajor Axis (a) 6943.182 km 6885.397 km
    Eccentricity (e) 0.010316 0.001716
    Inclination (i) 98.7192° 54.9997°
    RAAN 203.3794° 194.7728°
    Perigee Argument 26.6185° 48.9531°
    Mean Anomaly (M) 334.0280° 311.2968°
    Apogee 636.669 km 519.074 km
    Perigee 493.421 km 495.446 km
    Orbit Epoch 2026-10-20T05:24:01+0000 2026-10-20T07:50:13+0000

    DELTA 1 DEB * & HJS-9D Collision Probability (Pc) Trend

    DELTA 1 DEB * & HJS-9D Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB * & HJS-9D Miss Distance (Miss Distance) Trend

    DELTA 1 DEB * & HJS-9D Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEB *Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-9DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEB *Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-9DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB *

    No nearby objects data