Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.431139E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T08:56:01+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 53020
    NORAD ID 53020
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 2 DEB (DPAF) STARLINK-4287
    Time of Closest Approach 2026-09-05T08:32:22+0000
    Collision Probability (Pc) 1.431139E-6
    Conjunction Distance (km) 2.843 km
    Relative Speed (km/s) 14.742 km/s
    Conjunction Risk Parameters R (Radial): 2.318 | I (In-track): -0.436 | C (Cross-track): -1.586
    Collision Risk Index (CRI) 0.38
    X Position (km) 6411.204 6413.366
    Position Y (km) 872.85 871.629
    Position Z (km) 2197.869 2199.253
    Velocity X (km/s) 2.577 -2.545
    Velocity Y (km/s) -0.827 4.535
    Velocity Z (km/s) -7.144 5.597

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 2 DEB (DPAF) STARLINK-4287
    Semimajor Axis (a) 6833.535 km 6837.858 km
    Eccentricity (e) 0.000592 0.000102
    Inclination (i) 98.3225° 53.1628°
    RAAN 181.7766° 9.4631°
    Perigee Argument 78.5873° 83.4099°
    Mean Anomaly (M) 281.6034° 276.7020°
    Apogee 459.446 km 460.417 km
    Perigee 451.350 km 459.025 km
    Orbit Epoch 2026-09-02T14:12:59+0000 2026-09-01T20:04:35+0000

    DELTA 2 DEB (DPAF) & STARLINK-4287 Collision Probability (Pc) Trend

    DELTA 2 DEB (DPAF) & STARLINK-4287 Collision Probability (Pc) TrendNot Available

    DELTA 2 DEB (DPAF) & STARLINK-4287 Miss Distance (Miss Distance) Trend

    DELTA 2 DEB (DPAF) & STARLINK-4287 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-4287Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 2 DEB (DPAF)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4287Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 2 DEB (DPAF)

    No nearby objects data