Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.721074E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:46:12+0800
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    1 Object 1

    AOE ID 53546
    NORAD ID 53546
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66881
    NORAD ID 66881
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4477 STARLINK-35860
    Time of Closest Approach 2026-10-21T04:14:53+0000
    Collision Probability (Pc) 2.721074E-5
    Conjunction Distance (km) 0.79 km
    Relative Speed (km/s) 4.775 km/s
    Conjunction Risk Parameters R (Radial): -0.425 | I (In-track): 0.631 | C (Cross-track): -0.212
    Collision Risk Index (CRI) 0.64
    X Position (km) -4204.359 -4204.251
    Position Y (km) 971.287 970.579
    Position Z (km) 5298.366 5298.033
    Velocity X (km/s) 0.172 -3.438
    Velocity Y (km/s) -7.487 -6.653
    Velocity Z (km/s) 1.505 -1.506

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4477 STARLINK-35860
    Semimajor Axis (a) 6840.878 km 6840.830 km
    Eccentricity (e) 0.000136 0.000134
    Inclination (i) 53.1564° 53.1585°
    RAAN 110.6926° 63.8499°
    Perigee Argument 95.7572° 79.8609°
    Mean Anomaly (M) 264.3585° 280.2545°
    Apogee 463.670 km 463.609 km
    Perigee 461.812 km 461.777 km
    Orbit Epoch 2026-10-18T21:12:20+0000 2026-10-19T01:46:26+0000

    STARLINK-4477 & STARLINK-35860 Collision Probability (Pc) Trend

    STARLINK-4477 & STARLINK-35860 Collision Probability (Pc) TrendNot Available

    STARLINK-4477 & STARLINK-35860 Miss Distance (Miss Distance) Trend

    STARLINK-4477 & STARLINK-35860 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4477Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35860Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4477Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35860Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4477

    No nearby objects data