Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.28873E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-29T15:26:37+0800
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    1 Object 1

    AOE ID 31537
    NORAD ID 31537
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 64871
    NORAD ID 64871
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB EPIC ATHENA
    Time of Closest Approach 2026-08-29T12:16:18+0000
    Collision Probability (Pc) 1.28873E-6
    Conjunction Distance (km) 2.859 km
    Relative Speed (km/s) 12.451 km/s
    Conjunction Risk Parameters R (Radial): -2.281 | I (In-track): 1.009 | C (Cross-track): -1.394
    Collision Risk Index (CRI) 0.37
    X Position (km) -99.825 -101.579
    Position Y (km) 1792.479 1793.104
    Position Z (km) -6734.671 -6736.84
    Velocity X (km/s) 4.495 4.256
    Velocity Y (km/s) 5.997 -6.011
    Velocity Z (km/s) 1.623 -1.66

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB EPIC ATHENA
    Semimajor Axis (a) 7183.465 km 6962.615 km
    Eccentricity (e) 0.032900 0.000682
    Inclination (i) 99.3150° 97.6611°
    RAAN 53.8547° 302.7374°
    Perigee Argument 306.8497° 17.4510°
    Mean Anomaly (M) 50.2925° 342.6944°
    Apogee 1041.665 km 589.229 km
    Perigee 568.991 km 579.727 km
    Orbit Epoch 2026-08-28T06:18:21+0000 2026-08-28T15:50:22+0000

    FENGYUN 1C DEB & EPIC ATHENA Collision Probability (Pc) Trend

    FENGYUN 1C DEB & EPIC ATHENA Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & EPIC ATHENA Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & EPIC ATHENA Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    EPIC ATHENAMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    EPIC ATHENACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data