Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.552059E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T19:33:19+0800
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    1 Object 1

    AOE ID 28054
    NORAD ID 28054
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 40216
    NORAD ID 40216
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-3 F16 (USA 172) SCOUT G-1 DEB
    Time of Closest Approach 2026-10-30T22:10:18+0000
    Collision Probability (Pc) 2.552059E-6
    Conjunction Distance (km) 2.095 km
    Relative Speed (km/s) 14.838 km/s
    Conjunction Risk Parameters R (Radial): -0.177 | I (In-track): 0.182 | C (Cross-track): -2.079
    Collision Risk Index (CRI) 0.43
    X Position (km) -5359.83 -5358.706
    Position Y (km) 2506.856 2508.622
    Position Z (km) 4127.723 4127.799
    Velocity X (km/s) -3.193 3.844
    Velocity Y (km/s) 3.056 -1.872
    Velocity Z (km/s) -5.981 6.117

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-3 F16 (USA 172) SCOUT G-1 DEB
    Semimajor Axis (a) 7222.159 km 7272.376 km
    Eccentricity (e) 0.000795 0.007667
    Inclination (i) 98.9806° 89.5870°
    RAAN 327.6690° 154.6971°
    Perigee Argument 121.9148° 36.9147°
    Mean Anomaly (M) 346.8646° 323.7274°
    Apogee 849.765 km 949.998 km
    Perigee 838.279 km 838.480 km
    Orbit Epoch 2026-10-29T23:56:02+0000 2026-10-29T08:16:02+0000

    DMSP 5D-3 F16 (USA 172) & SCOUT G-1 DEB Collision Probability (Pc) Trend

    DMSP 5D-3 F16 (USA 172) & SCOUT G-1 DEB Collision Probability (Pc) TrendNot Available

    DMSP 5D-3 F16 (USA 172) & SCOUT G-1 DEB Miss Distance (Miss Distance) Trend

    DMSP 5D-3 F16 (USA 172) & SCOUT G-1 DEB Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-3 F16 (USA 172)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SCOUT G-1 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-3 F16 (USA 172)Collision Probability Trend

    Object 1 Probability TrendNot Available

    SCOUT G-1 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-3 F16 (USA 172)

    No nearby objects data