Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.317575E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:01:40+0800
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    1 Object 1

    AOE ID 53003
    NORAD ID 53003
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66141
    NORAD ID 66141
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4255 STARLINK-35603
    Time of Closest Approach 2026-10-22T18:49:49+0000
    Collision Probability (Pc) 2.317575E-6
    Conjunction Distance (km) 1.821 km
    Relative Speed (km/s) 7.164 km/s
    Conjunction Risk Parameters R (Radial): -0.724 | I (In-track): -1.473 | C (Cross-track): 0.786
    Collision Risk Index (CRI) 0.42
    X Position (km) -4609.741 -4609.442
    Position Y (km) -534.054 -532.339
    Position Z (km) 5016.828 5016.299
    Velocity X (km/s) 3.391 -1.841
    Velocity Y (km/s) -6.4 -7.005
    Velocity Z (km/s) 2.428 -2.429

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4255 STARLINK-35603
    Semimajor Axis (a) 6840.874 km 6840.859 km
    Eccentricity (e) 0.000103 0.000132
    Inclination (i) 53.1548° 53.1578°
    RAAN 145.2987° 71.4963°
    Perigee Argument 98.9282° 95.0582°
    Mean Anomaly (M) 261.1838° 265.0571°
    Apogee 463.443 km 463.623 km
    Perigee 462.031 km 461.821 km
    Orbit Epoch 2026-10-20T00:53:05+0000 2026-10-20T11:37:37+0000

    STARLINK-4255 & STARLINK-35603 Collision Probability (Pc) Trend

    STARLINK-4255 & STARLINK-35603 Collision Probability (Pc) TrendNot Available

    STARLINK-4255 & STARLINK-35603 Miss Distance (Miss Distance) Trend

    STARLINK-4255 & STARLINK-35603 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4255Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35603Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4255Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35603Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4255

    No nearby objects data