Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.637775E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T00:46:22+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 56776
    NORAD ID 56776
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB STARLINK-6274
    Time of Closest Approach 2026-09-09T18:17:02+0000
    Collision Probability (Pc) 1.637775E-6
    Conjunction Distance (km) 2.521 km
    Relative Speed (km/s) 13.492 km/s
    Conjunction Risk Parameters R (Radial): -1.422 | I (In-track): 0.936 | C (Cross-track): -1.858
    Collision Risk Index (CRI) 0.39
    X Position (km) -1899.008 -1899.835
    Position Y (km) 1497.704 1499.961
    Position Z (km) -6518.438 -6519.195
    Velocity X (km/s) 7.047 -5.622
    Velocity Y (km/s) -1.379 -5.036
    Velocity Z (km/s) -2.372 0.48

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB STARLINK-6274
    Semimajor Axis (a) 6946.997 km 6950.192 km
    Eccentricity (e) 0.000246 0.000402
    Inclination (i) 98.6764° 69.9984°
    RAAN 342.6473° 221.6618°
    Perigee Argument 202.5423° 281.1320°
    Mean Anomaly (M) 157.5690° 78.9387°
    Apogee 570.569 km 574.848 km
    Perigee 567.151 km 569.262 km
    Orbit Epoch 2026-09-06T17:05:49+0000 2026-09-09T07:27:07+0000

    DMSP 5D-2 F13 DEB & STARLINK-6274 Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & STARLINK-6274 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & STARLINK-6274 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & STARLINK-6274 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-6274Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6274Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data