Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.690211E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T05:05:41+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 2026-10-28T20:48:43+0000
    Collision Probability (Pc) 1.690211E-6
    Conjunction Distance (km) 2.232 km
    Relative Speed (km/s) 9.579 km/s
    Conjunction Risk Parameters R (Radial): -2.178 | I (In-track): -0.377 | C (Cross-track): 0.3
    Collision Risk Index (CRI) 0.4
    X Position (km) 4340.925 4341.941
    Position Y (km) 1084.378 1084.859
    Position Z (km) 5165.243 5167.17
    Velocity X (km/s) -3.945 -5.136
    Velocity Y (km/s) 6.227 -2.826
    Velocity Z (km/s) 2.003 4.894

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31209 TOMORROW-S2
    Semimajor Axis (a) 6840.900 km 6840.639 km
    Eccentricity (e) 0.000105 0.000352
    Inclination (i) 53.1606° 97.3744°
    RAAN 326.3324° 19.7521°
    Perigee Argument 97.8500° 142.7696°
    Mean Anomaly (M) 262.2622° 217.3792°
    Apogee 463.483 km 464.913 km
    Perigee 462.043 km 460.091 km
    Orbit Epoch 2026-10-26T05:58:27+0000 2026-10-25T23:44:02+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