Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.610016E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:39:42+0800
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    1 Object 1

    AOE ID 53208
    NORAD ID 53208
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59539
    NORAD ID 59539
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4425 STARLINK-31539
    Time of Closest Approach 2026-09-05T15:36:07+0000
    Collision Probability (Pc) 1.610016E-6
    Conjunction Distance (km) 2.453 km
    Relative Speed (km/s) 12.071 km/s
    Conjunction Risk Parameters R (Radial): -0.772 | I (In-track): -1.425 | C (Cross-track): 1.841
    Collision Risk Index (CRI) 0.39
    X Position (km) -3262.422 -3264.742
    Position Y (km) 3828.343 3828.644
    Position Z (km) 4657.025 4656.288
    Velocity X (km/s) -2.312 -5.512
    Velocity Y (km/s) 4.745 -5.252
    Velocity Z (km/s) -5.505 0.454

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4425 STARLINK-31539
    Semimajor Axis (a) 6861.742 km 6861.210 km
    Eccentricity (e) 0.000140 0.000160
    Inclination (i) 97.2845° 43.0047°
    RAAN 302.9997° 51.8008°
    Perigee Argument 85.1303° 268.6068°
    Mean Anomaly (M) 78.2526° 91.4600°
    Apogee 484.565 km 484.172 km
    Perigee 482.645 km 481.974 km
    Orbit Epoch 2026-09-05T00:00:02+0000 2026-09-04T20:24:02+0000

    STARLINK-4425 & STARLINK-31539 Collision Probability (Pc) Trend

    STARLINK-4425 & STARLINK-31539 Collision Probability (Pc) TrendNot Available

    STARLINK-4425 & STARLINK-31539 Miss Distance (Miss Distance) Trend

    STARLINK-4425 & STARLINK-31539 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4425Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31539Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4425Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31539Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4425

    No nearby objects data