Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.688196E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T09:44:32+0800
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    1 Object 1

    AOE ID 64870
    NORAD ID 64870
    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 1 LEMUR-2-JESS-R
    Time of Closest Approach 2026-10-18T02:19:55+0000
    Collision Probability (Pc) 2.688196E-6
    Conjunction Distance (km) 2.049 km
    Relative Speed (km/s) 14.784 km/s
    Conjunction Risk Parameters R (Radial): 1.34 | I (In-track): -0.322 | C (Cross-track): 1.517
    Collision Risk Index (CRI) 0.44
    X Position (km) 4515.324 4514.478
    Position Y (km) 61.391 59.829
    Position Z (km) -5313.021 -5312
    Velocity X (km/s) 5.654 -5.606
    Velocity Y (km/s) -1.477 -1.648
    Velocity Z (km/s) 4.786 -4.792

    Orbital Parameters 国际轨道数据源

    Parameter TRACERS 1 LEMUR-2-JESS-R
    Semimajor Axis (a) 6964.408 km 6967.470 km
    Eccentricity (e) 0.000475 0.000755
    Inclination (i) 97.6551° 97.7473°
    RAAN 349.0730° 187.0973°
    Perigee Argument 201.6313° 182.5223°
    Mean Anomaly (M) 158.4707° 177.5959°
    Apogee 589.578 km 594.591 km
    Perigee 582.964 km 584.075 km
    Orbit Epoch 2026-10-15T10:14:57+0000 2026-10-15T04:07:43+0000

    TRACERS 1 & LEMUR-2-JESS-R Collision Probability (Pc) Trend

    TRACERS 1 & LEMUR-2-JESS-R Collision Probability (Pc) TrendNot Available

    TRACERS 1 & LEMUR-2-JESS-R Miss Distance (Miss Distance) Trend

    TRACERS 1 & LEMUR-2-JESS-R Miss Distance (Miss Distance) TrendNot Available

    TRACERS 1Miss 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 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2-JESS-RCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TRACERS 1

    No nearby objects data