Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.989405E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:41:28+0800
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    1 Object 1

    AOE ID 64873
    NORAD ID 64873
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69928
    NORAD ID 69928
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TRACERS 2 LEMUR-2-ALYX
    Time of Closest Approach 2026-10-20T00:56:10+0000
    Collision Probability (Pc) 1.989405E-6
    Conjunction Distance (km) 2.341 km
    Relative Speed (km/s) 14.786 km/s
    Conjunction Risk Parameters R (Radial): 0.785 | I (In-track): -0.462 | C (Cross-track): -2.156
    Collision Risk Index (CRI) 0.41
    X Position (km) 4515.922 4516.32
    Position Y (km) 209.993 212.219
    Position Z (km) -5306.411 -5307.014
    Velocity X (km/s) 5.695 -5.541
    Velocity Y (km/s) -1.289 -1.833
    Velocity Z (km/s) 4.795 -4.799

    Orbital Parameters 国际轨道数据源

    Parameter TRACERS 2 LEMUR-2-ALYX
    Semimajor Axis (a) 6964.366 km 6967.264 km
    Eccentricity (e) 0.000262 0.000863
    Inclination (i) 97.6547° 97.7463°
    RAAN 352.6751° 191.3803°
    Perigee Argument 229.7015° 164.4485°
    Mean Anomaly (M) 130.3976° 195.7001°
    Apogee 588.052 km 595.139 km
    Perigee 584.406 km 583.115 km
    Orbit Epoch 2026-10-19T02:39:11+0000 2026-10-19T12:38:54+0000

    TRACERS 2 & LEMUR-2-ALYX Collision Probability (Pc) Trend

    TRACERS 2 & LEMUR-2-ALYX Collision Probability (Pc) TrendNot Available

    TRACERS 2 & LEMUR-2-ALYX Miss Distance (Miss Distance) Trend

    TRACERS 2 & LEMUR-2-ALYX Miss Distance (Miss Distance) TrendNot Available

    TRACERS 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2-ALYXMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TRACERS 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2-ALYXCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TRACERS 2

    No nearby objects data