Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.03139E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T09:44:32+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 69926
    NORAD ID 69926
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TRACERS 2 LEMUR-2-JESS-R
    Time of Closest Approach 2026-10-16T21:22:29+0000
    Collision Probability (Pc) 4.03139E-6
    Conjunction Distance (km) 1.765 km
    Relative Speed (km/s) 14.787 km/s
    Conjunction Risk Parameters R (Radial): -0.582 | I (In-track): -0.357 | C (Cross-track): 1.628
    Collision Risk Index (CRI) 0.47
    X Position (km) 4517.783 4518.14
    Position Y (km) -31.107 -32.775
    Position Z (km) -5308.308 -5308.758
    Velocity X (km/s) 5.62 -5.636
    Velocity Y (km/s) -1.592 -1.531
    Velocity Z (km/s) 4.793 -4.796

    Orbital Parameters 国际轨道数据源

    Parameter TRACERS 2 LEMUR-2-JESS-R
    Semimajor Axis (a) 6964.397 km 6967.470 km
    Eccentricity (e) 0.000243 0.000755
    Inclination (i) 97.6552° 97.7473°
    RAAN 349.0864° 187.0973°
    Perigee Argument 248.7241° 182.5223°
    Mean Anomaly (M) 111.3719° 177.5959°
    Apogee 587.956 km 594.591 km
    Perigee 584.564 km 584.075 km
    Orbit Epoch 2026-10-15T10:13:48+0000 2026-10-15T04:07:43+0000

    TRACERS 2 & LEMUR-2-JESS-R Collision Probability (Pc) Trend

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

    TRACERS 2 & LEMUR-2-JESS-R Miss Distance (Miss Distance) Trend

    TRACERS 2 & LEMUR-2-JESS-R Miss Distance (Miss Distance) TrendNot Available

    TRACERS 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2-JESS-RMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TRACERS 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2-JESS-RCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TRACERS 2

    No nearby objects data