Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.614697E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-30T23:09:50+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 29110
    NORAD ID 29110
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 53182
    NORAD ID 53182
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 2 DEB (DPAF) STARLINK-4278
    Time of Closest Approach 2026-08-30T15:20:35+0000
    Collision Probability (Pc) 1.614697E-6
    Conjunction Distance (km) 2.487 km
    Relative Speed (km/s) 12.646 km/s
    Conjunction Risk Parameters R (Radial): -1.229 | I (In-track): -1.203 | C (Cross-track): -1.794
    Collision Risk Index (CRI) 0.39
    X Position (km) 4046.845 4047.039
    Position Y (km) -907.938 -909.473
    Position Z (km) -5445.395 -5443.449
    Velocity X (km/s) -6.141 2.501
    Velocity Y (km/s) -0.489 7.173
    Velocity Z (km/s) -4.487 0.661

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 2 DEB (DPAF) STARLINK-4278
    Semimajor Axis (a) 6834.429 km 6837.862 km
    Eccentricity (e) 0.000615 0.000156
    Inclination (i) 98.3230° 53.1589°
    RAAN 177.9472° 72.1513°
    Perigee Argument 83.8185° 93.5821°
    Mean Anomaly (M) 276.3757° 266.5361°
    Apogee 460.498 km 460.794 km
    Perigee 452.086 km 458.656 km
    Orbit Epoch 2026-08-30T04:57:12+0000 2026-08-29T13:08:58+0000

    DELTA 2 DEB (DPAF) & STARLINK-4278 Collision Probability (Pc) Trend

    DELTA 2 DEB (DPAF) & STARLINK-4278 Collision Probability (Pc) TrendNot Available

    DELTA 2 DEB (DPAF) & STARLINK-4278 Miss Distance (Miss Distance) Trend

    DELTA 2 DEB (DPAF) & STARLINK-4278 Miss Distance (Miss Distance) TrendNot Available

    DELTA 2 DEB (DPAF)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4278Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 2 DEB (DPAF)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4278Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 2 DEB (DPAF)

    No nearby objects data