Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.98121E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T15:30:47+0800
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    1 Object 1

    AOE ID 58727
    NORAD ID 58727
    Object Type PAYLOAD
    Country
    DE DE
    ← VS →

    2 Object 2

    AOE ID 62686
    NORAD ID 62686
    Object Type PAYLOAD
    Country
    ES ES

    Conjunction Constraints

    Parameter UNICORN-2L FOSSASAT2E18 (TAT-A)
    Time of Closest Approach 2026-10-21T21:29:05+0000
    Collision Probability (Pc) 2.98121E-7
    Conjunction Distance (km) 2.618 km
    Relative Speed (km/s) 0.258 km/s
    Conjunction Risk Parameters R (Radial): -2.009 | I (In-track): 1.679 | C (Cross-track): 0.025
    Collision Risk Index (CRI) 0.24
    X Position (km) -334.547 -333.003
    Position Y (km) -962.978 -962.933
    Position Z (km) 6796.365 6798.478
    Velocity X (km/s) -7.509 -7.465
    Velocity Y (km/s) -1.118 -1.37
    Velocity Z (km/s) -0.534 -0.56

    Orbital Parameters 国际轨道数据源

    Parameter UNICORN-2L FOSSASAT2E18 (TAT-A)
    Semimajor Axis (a) 6874.864 km 6879.186 km
    Eccentricity (e) 0.001133 0.000436
    Inclination (i) 97.5284° 97.3881°
    RAAN 8.0576° 9.5127°
    Perigee Argument 227.4784° 252.3630°
    Mean Anomaly (M) 132.5497° 107.7130°
    Apogee 504.516 km 504.050 km
    Perigee 488.938 km 498.048 km
    Orbit Epoch 2026-10-20T22:59:50+0000 2026-10-20T10:20:57+0000

    UNICORN-2L & FOSSASAT2E18 (TAT-A) Collision Probability (Pc) Trend

    UNICORN-2L & FOSSASAT2E18 (TAT-A) Collision Probability (Pc) TrendNot Available

    UNICORN-2L & FOSSASAT2E18 (TAT-A) Miss Distance (Miss Distance) Trend

    UNICORN-2L & FOSSASAT2E18 (TAT-A) Miss Distance (Miss Distance) TrendNot Available

    UNICORN-2LMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FOSSASAT2E18 (TAT-A)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    UNICORN-2LCollision Probability Trend

    Object 1 Probability TrendNot Available

    FOSSASAT2E18 (TAT-A)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with UNICORN-2L

    No nearby objects data