Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.135801E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:21:34+0800
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    1 Object 1

    AOE ID 53608
    NORAD ID 53608
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58966
    NORAD ID 58966
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4647 STARLINK-31449
    Time of Closest Approach 2026-09-04T05:44:51+0000
    Collision Probability (Pc) 2.135801E-6
    Conjunction Distance (km) 1.677 km
    Relative Speed (km/s) 4.35 km/s
    Conjunction Risk Parameters R (Radial): 0.042 | I (In-track): -1.605 | C (Cross-track): 0.479
    Collision Risk Index (CRI) 0.42
    X Position (km) -1129.724 -1128.102
    Position Y (km) -4123.522 -4123.941
    Position Z (km) 5330.305 5330.272
    Velocity X (km/s) 6.613 7.512
    Velocity Y (km/s) -3.573 -0.296
    Velocity Z (km/s) -1.358 1.358

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4647 STARLINK-31449
    Semimajor Axis (a) 6839.389 km 6840.874 km
    Eccentricity (e) 0.000160 0.000127
    Inclination (i) 53.1615° 53.1584°
    RAAN 151.5506° 195.3279°
    Perigee Argument 4.5487° 82.0621°
    Mean Anomaly (M) 355.5530° 278.0526°
    Apogee 462.349 km 463.608 km
    Perigee 460.155 km 461.866 km
    Orbit Epoch 2026-09-02T14:13:50+0000 2026-09-02T03:23:20+0000

    STARLINK-4647 & STARLINK-31449 Collision Probability (Pc) Trend

    STARLINK-4647 & STARLINK-31449 Collision Probability (Pc) TrendNot Available

    STARLINK-4647 & STARLINK-31449 Miss Distance (Miss Distance) Trend

    STARLINK-4647 & STARLINK-31449 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4647Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31449Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4647Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31449Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4647

    No nearby objects data