Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.549528E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T10:43:08+0800
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    1 Object 1

    AOE ID 53409
    NORAD ID 53409
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65370
    NORAD ID 65370
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4490 STARLINK-34870
    Time of Closest Approach 2026-10-22T06:16:03+0000
    Collision Probability (Pc) 1.549528E-5
    Conjunction Distance (km) 0.941 km
    Relative Speed (km/s) 4.927 km/s
    Conjunction Risk Parameters R (Radial): 0.595 | I (In-track): 0.688 | C (Cross-track): 0.24
    Collision Risk Index (CRI) 0.59
    X Position (km) 798.945 799.59
    Position Y (km) 4265.713 4265.205
    Position Z (km) -5295.372 -5294.915
    Velocity X (km/s) -6.741 -7.443
    Velocity Y (km/s) 3.201 -0.543
    Velocity Z (km/s) 1.562 -1.562

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4490 STARLINK-34870
    Semimajor Axis (a) 6840.882 km 6840.836 km
    Eccentricity (e) 0.000139 0.000126
    Inclination (i) 53.1570° 53.1564°
    RAAN 159.2227° 207.1153°
    Perigee Argument 94.7920° 76.3393°
    Mean Anomaly (M) 265.3241° 283.7751°
    Apogee 463.697 km 463.564 km
    Perigee 461.793 km 461.834 km
    Orbit Epoch 2026-10-19T08:14:51+0000 2026-10-19T06:49:03+0000

    STARLINK-4490 & STARLINK-34870 Collision Probability (Pc) Trend

    STARLINK-4490 & STARLINK-34870 Collision Probability (Pc) TrendNot Available

    STARLINK-4490 & STARLINK-34870 Miss Distance (Miss Distance) Trend

    STARLINK-4490 & STARLINK-34870 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4490Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34870Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4490Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34870Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4490

    No nearby objects data