Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.189952E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:48:48+0800
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    1 Object 1

    AOE ID 53619
    NORAD ID 53619
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64768
    NORAD ID 64768
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4609 STARLINK-34609
    Time of Closest Approach 2026-10-21T16:18:08+0000
    Collision Probability (Pc) 5.189952E-6
    Conjunction Distance (km) 1.126 km
    Relative Speed (km/s) 2.369 km/s
    Conjunction Risk Parameters R (Radial): -0.85 | I (In-track): 0.729 | C (Cross-track): 0.115
    Collision Risk Index (CRI) 0.49
    X Position (km) -4157.196 -4156.669
    Position Y (km) -58.096 -58.825
    Position Z (km) -5439.605 -5438.929
    Velocity X (km/s) 1.045 -0.836
    Velocity Y (km/s) -7.518 -7.544
    Velocity Z (km/s) -0.719 0.721

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4609 STARLINK-34609
    Semimajor Axis (a) 6840.852 km 6840.704 km
    Eccentricity (e) 0.000131 0.000088
    Inclination (i) 53.1562° 53.1594°
    RAAN 293.1685° 268.9703°
    Perigee Argument 81.0168° 86.7312°
    Mean Anomaly (M) 279.0983° 273.3791°
    Apogee 463.612 km 463.169 km
    Perigee 461.818 km 461.965 km
    Orbit Epoch 2026-10-19T06:52:58+0000 2026-10-19T16:12:26+0000

    STARLINK-4609 & STARLINK-34609 Collision Probability (Pc) Trend

    STARLINK-4609 & STARLINK-34609 Collision Probability (Pc) TrendNot Available

    STARLINK-4609 & STARLINK-34609 Miss Distance (Miss Distance) Trend

    STARLINK-4609 & STARLINK-34609 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4609Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34609Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4609Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34609Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4609

    No nearby objects data