Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.096976E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T20:55:26+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53836
    NORAD ID 53836
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57744
    NORAD ID 57744
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4778 STARLINK-30363
    Time of Closest Approach 2026-09-07T12:36:36+0000
    Collision Probability (Pc) 1.096976E-6
    Conjunction Distance (km) 2.121 km
    Relative Speed (km/s) 3.804 km/s
    Conjunction Risk Parameters R (Radial): 2.104 | I (In-track): -0.254 | C (Cross-track): 0.071
    Collision Risk Index (CRI) 0.36
    X Position (km) 3299.562 3298.779
    Position Y (km) -3823.812 -3822.531
    Position Z (km) 4638.604 4637.108
    Velocity X (km/s) 6.661 6.126
    Velocity Y (km/s) 1.783 4.497
    Velocity Z (km/s) -3.259 -0.649

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4778 STARLINK-30363
    Semimajor Axis (a) 6864.394 km 6861.195 km
    Eccentricity (e) 0.000206 0.000139
    Inclination (i) 53.1767° 43.0010°
    RAAN 184.9592° 218.5188°
    Perigee Argument 88.0494° 270.9111°
    Mean Anomaly (M) 272.0741° 89.1581°
    Apogee 487.672 km 484.015 km
    Perigee 484.842 km 482.101 km
    Orbit Epoch 2026-09-05T05:04:49+0000 2026-09-06T04:48:05+0000

    STARLINK-4778 & STARLINK-30363 Collision Probability (Pc) Trend

    STARLINK-4778 & STARLINK-30363 Collision Probability (Pc) TrendNot Available

    STARLINK-4778 & STARLINK-30363 Miss Distance (Miss Distance) Trend

    STARLINK-4778 & STARLINK-30363 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4778Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30363Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4778Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30363Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4778

    No nearby objects data