Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.301611E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:47:09+0800
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    1 Object 1

    AOE ID 62673
    NORAD ID 62673
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name SEMI-1L
    AOE ID 66294
    NORAD ID 66294
    Object Type PAYLOAD
    Country
    TR TR

    Conjunction Constraints

    Parameter IMPULSE-2 MIRA SEMI-1L
    Time of Closest Approach 2026-10-20T08:33:38+0000
    Collision Probability (Pc) 2.301611E-6
    Conjunction Distance (km) 2.169 km
    Relative Speed (km/s) 14.316 km/s
    Conjunction Risk Parameters R (Radial): 0.681 | I (In-track): -0.7 | C (Cross-track): -1.935
    Collision Risk Index (CRI) 0.42
    X Position (km) 6488.828 6488.23
    Position Y (km) 884.866 886.625
    Position Z (km) -2113.933 -2112.815
    Velocity X (km/s) 2.426 -2.319
    Velocity Y (km/s) -0.71 5.35
    Velocity Z (km/s) 7.178 -4.893

    Orbital Parameters 国际轨道数据源

    Parameter IMPULSE-2 MIRA SEMI-1L
    Semimajor Axis (a) 6875.978 km 6877.602 km
    Eccentricity (e) 0.000439 0.000219
    Inclination (i) 97.4144° 45.4007°
    RAAN 4.5165° 176.1240°
    Perigee Argument 86.0777° 45.1564°
    Mean Anomaly (M) 274.0961° 314.9501°
    Apogee 500.859 km 500.970 km
    Perigee 494.823 km 497.960 km
    Orbit Epoch 2026-10-19T12:08:10+0000 2026-10-19T01:44:04+0000

    IMPULSE-2 MIRA & SEMI-1L Collision Probability (Pc) Trend

    IMPULSE-2 MIRA & SEMI-1L Collision Probability (Pc) TrendNot Available

    IMPULSE-2 MIRA & SEMI-1L Miss Distance (Miss Distance) Trend

    IMPULSE-2 MIRA & SEMI-1L Miss Distance (Miss Distance) TrendNot Available

    IMPULSE-2 MIRAMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SEMI-1LMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IMPULSE-2 MIRACollision Probability Trend

    Object 1 Probability TrendNot Available

    SEMI-1LCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IMPULSE-2 MIRA

    No nearby objects data