Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.475687E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:27:59+0800
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    1 Object 1

    AOE ID 53547
    NORAD ID 53547
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65891
    NORAD ID 65891
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4474 STARLINK-34791
    Time of Closest Approach 2026-10-21T11:22:40+0000
    Collision Probability (Pc) 5.475687E-6
    Conjunction Distance (km) 1.361 km
    Relative Speed (km/s) 6.838 km/s
    Conjunction Risk Parameters R (Radial): -0.257 | I (In-track): 1.196 | C (Cross-track): 0.596
    Collision Risk Index (CRI) 0.5
    X Position (km) -4424.559 -4424.376
    Position Y (km) 1193.354 1194.688
    Position Z (km) 5068.341 5068.534
    Velocity X (km/s) 0.671 -4.232
    Velocity Y (km/s) -7.258 -5.934
    Velocity Z (km/s) 2.288 -2.289

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4474 STARLINK-34791
    Semimajor Axis (a) 6840.872 km 6840.848 km
    Eccentricity (e) 0.000251 0.000133
    Inclination (i) 53.1565° 53.1590°
    RAAN 117.7724° 50.7477°
    Perigee Argument 88.9240° 97.9546°
    Mean Anomaly (M) 271.2049° 262.1608°
    Apogee 464.451 km 463.621 km
    Perigee 461.019 km 461.801 km
    Orbit Epoch 2026-10-19T13:44:54+0000 2026-10-19T08:52:12+0000

    STARLINK-4474 & STARLINK-34791 Collision Probability (Pc) Trend

    STARLINK-4474 & STARLINK-34791 Collision Probability (Pc) TrendNot Available

    STARLINK-4474 & STARLINK-34791 Miss Distance (Miss Distance) Trend

    STARLINK-4474 & STARLINK-34791 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4474Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34791Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4474Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34791Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4474

    No nearby objects data