Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.041051E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T02:50:26+0800
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    1 Object 1

    Name TOMS EP
    AOE ID 23940
    NORAD ID 23940
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name SINAH 1
    AOE ID 28893
    NORAD ID 28893
    Object Type PAYLOAD
    Country
    IR IR

    Conjunction Constraints

    Parameter TOMS EP SINAH 1
    Time of Closest Approach 2026-10-21T21:43:21+0000
    Collision Probability (Pc) 9.041051E-7
    Conjunction Distance (km) 2.503 km
    Relative Speed (km/s) 4.709 km/s
    Conjunction Risk Parameters R (Radial): -1.337 | I (In-track): -2.009 | C (Cross-track): 0.663
    Collision Risk Index (CRI) 0.34
    X Position (km) 1089.327 1089.171
    Position Y (km) 14.405 16.518
    Position Z (km) 6975.195 6973.861
    Velocity X (km/s) 2.153 -2.495
    Velocity Y (km/s) -7.191 -7.07
    Velocity Z (km/s) -0.34 0.401

    Orbital Parameters 国际轨道数据源

    Parameter TOMS EP SINAH 1
    Semimajor Axis (a) 7071.160 km 7057.688 km
    Eccentricity (e) 0.002610 0.001338
    Inclination (i) 98.5202° 98.3044°
    RAAN 106.3315° 69.4762°
    Perigee Argument 172.4505° 238.9029°
    Mean Anomaly (M) 187.7093° 121.0861°
    Apogee 711.481 km 688.994 km
    Perigee 674.565 km 670.108 km
    Orbit Epoch 2026-10-21T04:51:08+0000 2026-10-21T06:33:58+0000

    TOMS EP & SINAH 1 Collision Probability (Pc) Trend

    TOMS EP & SINAH 1 Collision Probability (Pc) TrendNot Available

    TOMS EP & SINAH 1 Miss Distance (Miss Distance) Trend

    TOMS EP & SINAH 1 Miss Distance (Miss Distance) TrendNot Available

    TOMS EPMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SINAH 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TOMS EPCollision Probability Trend

    Object 1 Probability TrendNot Available

    SINAH 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TOMS EP

    No nearby objects data