Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.468932E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:43:11+0800
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    1 Object 1

    AOE ID 49260
    NORAD ID 49260
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name DAQI-2
    AOE ID 68760
    NORAD ID 68760
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter LANDSAT 9 DAQI-2
    Time of Closest Approach 2026-10-28T21:06:01+0000
    Collision Probability (Pc) 1.468932E-5
    Conjunction Distance (km) 0.684 km
    Relative Speed (km/s) 0.653 km/s
    Conjunction Risk Parameters R (Radial): -0.621 | I (In-track): 0.285 | C (Cross-track): -0.011
    Collision Risk Index (CRI) 0.58
    X Position (km) -311.783 -311.478
    Position Y (km) 973.212 973.19
    Position Z (km) -7014.771 -7014.16
    Velocity X (km/s) 7.362 7.218
    Velocity Y (km/s) 1.363 1.993
    Velocity Z (km/s) -0.138 -0.043

    Orbital Parameters 国际轨道数据源

    Parameter LANDSAT 9 DAQI-2
    Semimajor Axis (a) 7080.625 km 7079.198 km
    Eccentricity (e) 0.000121 0.000260
    Inclination (i) 98.2148° 98.2762°
    RAAN 8.6612° 13.6977°
    Perigee Argument 86.9257° 69.2243°
    Mean Anomaly (M) 273.2080° 290.9233°
    Apogee 703.346 km 702.902 km
    Perigee 701.630 km 699.220 km
    Orbit Epoch 2026-10-27T04:18:59+0000 2026-10-27T04:19:31+0000

    LANDSAT 9 & DAQI-2 Collision Probability (Pc) Trend

    LANDSAT 9 & DAQI-2 Collision Probability (Pc) TrendNot Available

    LANDSAT 9 & DAQI-2 Miss Distance (Miss Distance) Trend

    LANDSAT 9 & DAQI-2 Miss Distance (Miss Distance) TrendNot Available

    LANDSAT 9Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DAQI-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LANDSAT 9Collision Probability Trend

    Object 1 Probability TrendNot Available

    DAQI-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LANDSAT 9

    No nearby objects data