Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.739054E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T08:21:50+0800
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    1 Object 1

    AOE ID 42271
    NORAD ID 42271
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 55420
    NORAD ID 55420
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB STARLINK-5604
    Time of Closest Approach 2026-09-06T02:05:32+0000
    Collision Probability (Pc) 1.739054E-6
    Conjunction Distance (km) 1.91 km
    Relative Speed (km/s) 5.524 km/s
    Conjunction Risk Parameters R (Radial): -1.59 | I (In-track): -0.984 | C (Cross-track): 0.386
    Collision Risk Index (CRI) 0.4
    X Position (km) -4215.213 -4215.573
    Position Y (km) 2189.008 2189.016
    Position Z (km) -5077.411 -5079.287
    Velocity X (km/s) 5.551 2.499
    Velocity Y (km/s) -1 -5.567
    Velocity Z (km/s) -5.044 -4.474

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB STARLINK-5604
    Semimajor Axis (a) 6947.727 km 6950.205 km
    Eccentricity (e) 0.000230 0.000376
    Inclination (i) 98.6767° 69.9993°
    RAAN 339.3061° 313.2776°
    Perigee Argument 198.6248° 268.6413°
    Mean Anomaly (M) 161.4888° 91.4315°
    Apogee 571.188 km 574.685 km
    Perigee 567.992 km 569.451 km
    Orbit Epoch 2026-09-03T17:01:02+0000 2026-09-04T15:25:03+0000

    DMSP 5D-2 F13 DEB & STARLINK-5604 Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & STARLINK-5604 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & STARLINK-5604 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & STARLINK-5604 Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F13 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5604Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5604Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data