Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.131064E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:48:48+0800
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    1 Object 1

    AOE ID 53831
    NORAD ID 53831
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65367
    NORAD ID 65367
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4649 STARLINK-34946
    Time of Closest Approach 2026-10-21T22:35:40+0000
    Collision Probability (Pc) 4.131064E-6
    Conjunction Distance (km) 1.673 km
    Relative Speed (km/s) 12.036 km/s
    Conjunction Risk Parameters R (Radial): -0.363 | I (In-track): -1.012 | C (Cross-track): 1.281
    Collision Risk Index (CRI) 0.47
    X Position (km) 6649.494 6649.217
    Position Y (km) 303.115 301.468
    Position Z (km) 1572.581 1572.489
    Velocity X (km/s) -1.605 1.177
    Velocity Y (km/s) 4.635 4.762
    Velocity Z (km/s) 5.854 -5.854

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4649 STARLINK-34946
    Semimajor Axis (a) 6840.884 km 6840.814 km
    Eccentricity (e) 0.000131 0.000132
    Inclination (i) 53.1610° 53.1578°
    RAAN 5.2143° 205.4260°
    Perigee Argument 82.7022° 75.0022°
    Mean Anomaly (M) 277.4130° 285.1126°
    Apogee 463.647 km 463.578 km
    Perigee 461.847 km 461.776 km
    Orbit Epoch 2026-10-19T04:51:54+0000 2026-10-19T05:47:46+0000

    STARLINK-4649 & STARLINK-34946 Collision Probability (Pc) Trend

    STARLINK-4649 & STARLINK-34946 Collision Probability (Pc) TrendNot Available

    STARLINK-4649 & STARLINK-34946 Miss Distance (Miss Distance) Trend

    STARLINK-4649 & STARLINK-34946 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34946Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4649Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34946Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4649

    No nearby objects data