Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.136999E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:42:47+0800
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    1 Object 1

    AOE ID 58883
    NORAD ID 58883
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60485
    NORAD ID 60485
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31209 TOMORROW-S2
    Time of Closest Approach 2026-10-28T19:14:48+0000
    Collision Probability (Pc) 1.136999E-6
    Conjunction Distance (km) 2.803 km
    Relative Speed (km/s) 9.55 km/s
    Conjunction Risk Parameters R (Radial): 2.801 | I (In-track): 0.071 | C (Cross-track): 0.053
    Collision Risk Index (CRI) 0.36
    X Position (km) 4349.602 4351.318
    Position Y (km) 1083.92 1084.392
    Position Z (km) 5157.329 5159.493
    Velocity X (km/s) -3.958 -5.13
    Velocity Y (km/s) 6.212 -2.818
    Velocity Z (km/s) 2.027 4.904

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31209 TOMORROW-S2
    Semimajor Axis (a) 6840.762 km 6840.610 km
    Eccentricity (e) 0.000165 0.000358
    Inclination (i) 53.1612° 97.3741°
    RAAN 322.3710° 20.7946°
    Perigee Argument 78.2780° 140.3416°
    Mean Anomaly (M) 281.8408° 219.8090°
    Apogee 463.753 km 464.925 km
    Perigee 461.497 km 460.021 km
    Orbit Epoch 2026-10-27T02:17:47+0000 2026-10-27T00:46:30+0000

    STARLINK-31209 & TOMORROW-S2 Collision Probability (Pc) Trend

    STARLINK-31209 & TOMORROW-S2 Collision Probability (Pc) TrendNot Available

    STARLINK-31209 & TOMORROW-S2 Miss Distance (Miss Distance) Trend

    STARLINK-31209 & TOMORROW-S2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31209Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TOMORROW-S2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31209Collision Probability Trend

    Object 1 Probability TrendNot Available

    TOMORROW-S2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31209

    No nearby objects data