Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.466934E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T23:18:07+0800
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    1 Object 1

    AOE ID 59881
    NORAD ID 59881
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61240
    NORAD ID 61240
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter PREFIRE-2 OBJECT C
    Time of Closest Approach 2026-09-06T21:34:25+0000
    Collision Probability (Pc) 7.466934E-6
    Conjunction Distance (km) 1.449 km
    Relative Speed (km/s) 14.643 km/s
    Conjunction Risk Parameters R (Radial): 0.891 | I (In-track): 0.324 | C (Cross-track): 1.096
    Collision Risk Index (CRI) 0.52
    X Position (km) -44.378 -43.241
    Position Y (km) 3263.186 3263.612
    Position Z (km) 6055.355 6056.146
    Velocity X (km/s) 2.153 1.995
    Velocity Y (km/s) -6.417 6.475
    Velocity Z (km/s) 3.472 -3.467

    Orbital Parameters 国际轨道数据源

    Parameter PREFIRE-2 OBJECT C
    Semimajor Axis (a) 6879.391 km 6886.550 km
    Eccentricity (e) 0.001042 0.000160
    Inclination (i) 97.3995° 97.4494°
    RAAN 101.9416° 254.1541°
    Perigee Argument 293.6428° 91.0776°
    Mean Anomaly (M) 66.3714° 269.0643°
    Apogee 508.419 km 509.519 km
    Perigee 494.089 km 507.307 km
    Orbit Epoch 2026-09-04T01:25:46+0000 2026-09-04T07:24:22+0000

    PREFIRE-2 & OBJECT C Collision Probability (Pc) Trend

    PREFIRE-2 & OBJECT C Collision Probability (Pc) TrendNot Available

    PREFIRE-2 & OBJECT C Miss Distance (Miss Distance) Trend

    PREFIRE-2 & OBJECT C Miss Distance (Miss Distance) TrendNot Available

    PREFIRE-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PREFIRE-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PREFIRE-2

    No nearby objects data