Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.241861E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T01:12:48+0800
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    1 Object 1

    AOE ID 53418
    NORAD ID 53418
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58161
    NORAD ID 58161
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4481 STARLINK-30773
    Time of Closest Approach 2026-09-03T11:35:15+0000
    Collision Probability (Pc) 3.241861E-5
    Conjunction Distance (km) 0.863 km
    Relative Speed (km/s) 9.365 km/s
    Conjunction Risk Parameters R (Radial): -0.619 | I (In-track): 0.474 | C (Cross-track): 0.369
    Collision Risk Index (CRI) 0.65
    X Position (km) 4631.494 4631.64
    Position Y (km) -2358.616 -2359.363
    Position Z (km) -4450.978 -4451.382
    Velocity X (km/s) 5.445 0.022
    Velocity Y (km/s) 3.985 6.748
    Velocity Z (km/s) 3.558 -3.559

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4481 STARLINK-30773
    Semimajor Axis (a) 6837.885 km 6840.478 km
    Eccentricity (e) 0.000114 0.000274
    Inclination (i) 53.1628° 53.1607°
    RAAN 20.8304° 120.2675°
    Perigee Argument 81.9496° 178.9123°
    Mean Anomaly (M) 278.1636° 181.1886°
    Apogee 460.526 km 464.213 km
    Perigee 458.970 km 460.469 km
    Orbit Epoch 2026-09-01T19:12:21+0000 2026-09-01T22:37:11+0000

    STARLINK-4481 & STARLINK-30773 Collision Probability (Pc) Trend

    STARLINK-4481 & STARLINK-30773 Collision Probability (Pc) TrendNot Available

    STARLINK-4481 & STARLINK-30773 Miss Distance (Miss Distance) Trend

    STARLINK-4481 & STARLINK-30773 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4481Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30773Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4481Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30773Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4481

    No nearby objects data