Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.111454E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:51:30+0800
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    1 Object 1

    AOE ID 52687
    NORAD ID 52687
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65285
    NORAD ID 65285
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3981 STARLINK-34995
    Time of Closest Approach 2026-10-21T20:13:41+0000
    Collision Probability (Pc) 3.111454E-6
    Conjunction Distance (km) 1.913 km
    Relative Speed (km/s) 14.048 km/s
    Conjunction Risk Parameters R (Radial): 1.912 | I (In-track): -0.026 | C (Cross-track): 0.054
    Collision Risk Index (CRI) 0.45
    X Position (km) -4513.655 -4514.912
    Position Y (km) 2065.853 2066.485
    Position Z (km) -4718.52 -4719.816
    Velocity X (km/s) -5.307 5.254
    Velocity Y (km/s) -4.51 -0.938
    Velocity Z (km/s) 3.104 -5.442

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3981 STARLINK-34995
    Semimajor Axis (a) 6843.375 km 6843.652 km
    Eccentricity (e) 0.000134 0.000128
    Inclination (i) 53.1583° 97.2867°
    RAAN 208.7243° 341.0014°
    Perigee Argument 93.5748° 108.4666°
    Mean Anomaly (M) 266.5408° 251.6716°
    Apogee 466.155 km 466.391 km
    Perigee 464.321 km 464.639 km
    Orbit Epoch 2026-10-20T03:49:11+0000 2026-10-20T10:22:02+0000

    STARLINK-3981 & STARLINK-34995 Collision Probability (Pc) Trend

    STARLINK-3981 & STARLINK-34995 Collision Probability (Pc) TrendNot Available

    STARLINK-3981 & STARLINK-34995 Miss Distance (Miss Distance) Trend

    STARLINK-3981 & STARLINK-34995 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3981Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34995Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3981Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34995Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3981

    No nearby objects data