Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.706207E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T13:32:01+0800
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    1 Object 1

    AOE ID 18161
    NORAD ID 18161
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 57756
    NORAD ID 57756
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-8 R/B WILDFIRE 4
    Time of Closest Approach 2026-09-15T09:57:08+0000
    Collision Probability (Pc) 1.706207E-6
    Conjunction Distance (km) 2.514 km
    Relative Speed (km/s) 14.335 km/s
    Conjunction Risk Parameters R (Radial): 2.489 | I (In-track): -0.077 | C (Cross-track): 0.342
    Collision Risk Index (CRI) 0.4
    X Position (km) -207.661 -207.241
    Position Y (km) -4416.245 -4414.752
    Position Z (km) -5854.903 -5852.925
    Velocity X (km/s) 1.776 1.644
    Velocity Y (km/s) 5.68 -5.755
    Velocity Z (km/s) -4.357 4.287

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 R/B WILDFIRE 4
    Semimajor Axis (a) 7351.069 km 7319.507 km
    Eccentricity (e) 0.003015 0.001100
    Inclination (i) 82.9290° 80.9988°
    RAAN 78.9400° 281.0148°
    Perigee Argument 222.4027° 114.1634°
    Mean Anomaly (M) 302.5132° 246.0675°
    Apogee 995.096 km 949.423 km
    Perigee 950.768 km 933.317 km
    Orbit Epoch 2026-09-13T22:45:16+0000 2026-09-13T18:22:29+0000

    SL-8 R/B & WILDFIRE 4 Collision Probability (Pc) Trend

    SL-8 R/B & WILDFIRE 4 Collision Probability (Pc) TrendNot Available

    SL-8 R/B & WILDFIRE 4 Miss Distance (Miss Distance) Trend

    SL-8 R/B & WILDFIRE 4 Miss Distance (Miss Distance) TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    WILDFIRE 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    WILDFIRE 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 R/B

    No nearby objects data