Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.790547E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:13:56+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 69599
    NORAD ID 69599
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4649 KUIPER-00516
    Time of Closest Approach 2026-09-04T09:16:20+0000
    Collision Probability (Pc) 5.790547E-6
    Conjunction Distance (km) 1.501 km
    Relative Speed (km/s) 11.955 km/s
    Conjunction Risk Parameters R (Radial): 0.777 | I (In-track): -0.791 | C (Cross-track): -1.01
    Collision Risk Index (CRI) 0.5
    X Position (km) -6042.844 -6041.612
    Position Y (km) -2869.436 -2870.272
    Position Z (km) -1443.165 -1442.978
    Velocity X (km/s) 0.864 3.19
    Velocity Y (km/s) -4.771 -3.822
    Velocity Z (km/s) 5.896 -5.791

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4649 KUIPER-00516
    Semimajor Axis (a) 6840.870 km 6838.134 km
    Eccentricity (e) 0.000130 0.000688
    Inclination (i) 53.1613° 51.8802°
    RAAN 224.7459° 24.3372°
    Perigee Argument 82.6035° 160.8660°
    Mean Anomaly (M) 277.5115° 150.0382°
    Apogee 463.623 km 464.704 km
    Perigee 461.843 km 455.290 km
    Orbit Epoch 2026-09-02T05:45:04+0000 2026-09-02T14:00:02+0000

    STARLINK-4649 & KUIPER-00516 Collision Probability (Pc) Trend

    STARLINK-4649 & KUIPER-00516 Collision Probability (Pc) TrendNot Available

    STARLINK-4649 & KUIPER-00516 Miss Distance (Miss Distance) Trend

    STARLINK-4649 & KUIPER-00516 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00516Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4649Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00516Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4649

    No nearby objects data