Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.03783E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T06:20:12+0800
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    1 Object 1

    AOE ID 66724
    NORAD ID 66724
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69024
    NORAD ID 69024
    Object Type PAYLOAD
    Country
    BG BG

    Conjunction Constraints

    Parameter FLOCK 4H 21 BALKAN-2
    Time of Closest Approach 2026-11-02T18:45:59+0000
    Collision Probability (Pc) 2.03783E-6
    Conjunction Distance (km) 2.328 km
    Relative Speed (km/s) 15.086 km/s
    Conjunction Risk Parameters R (Radial): -0.15 | I (In-track): -0.309 | C (Cross-track): -2.301
    Collision Risk Index (CRI) 0.41
    X Position (km) 6279.05 6278.109
    Position Y (km) 2315.839 2317.968
    Position Z (km) -1611.401 -1611.368
    Velocity X (km/s) 1.999 -1.303
    Velocity Y (km/s) -0.337 -1.554
    Velocity Z (km/s) 7.334 -7.336

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4H 21 BALKAN-2
    Semimajor Axis (a) 6877.282 km 6880.066 km
    Eccentricity (e) 0.000293 0.000158
    Inclination (i) 97.4055° 97.3897°
    RAAN 15.8631° 199.5679°
    Perigee Argument 155.3724° 216.8175°
    Mean Anomaly (M) 204.7653° 143.2953°
    Apogee 501.158 km 503.014 km
    Perigee 497.132 km 500.844 km
    Orbit Epoch 2026-10-31T03:43:15+0000 2026-10-31T05:55:54+0000

    FLOCK 4H 21 & BALKAN-2 Collision Probability (Pc) Trend

    FLOCK 4H 21 & BALKAN-2 Collision Probability (Pc) TrendNot Available

    FLOCK 4H 21 & BALKAN-2 Miss Distance (Miss Distance) Trend

    FLOCK 4H 21 & BALKAN-2 Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4H 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    BALKAN-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4H 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    BALKAN-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4H 21

    No nearby objects data