Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.58277E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:25:17+0800
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    1 Object 1

    AOE ID 9730
    NORAD ID 9730
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    Name NOVA 1
    AOE ID 12458
    NORAD ID 12458
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD DELTA 1 DEB NOVA 1
    Time of Closest Approach 2026-10-28T16:24:05+0000
    Collision Probability (Pc) 1.58277E-6
    Conjunction Distance (km) 2.628 km
    Relative Speed (km/s) 14.344 km/s
    Conjunction Risk Parameters R (Radial): 2.506 | I (In-track): -0.104 | C (Cross-track): 0.785
    Collision Risk Index (CRI) 0.39
    X Position (km) -297.884 -298.564
    Position Y (km) -5296.971 -5295.094
    Position Z (km) -5382.843 -5381.134
    Velocity X (km/s) -2.372 0.32
    Velocity Y (km/s) -4.806 5.165
    Velocity Z (km/s) 4.863 -5.091

    Orbital Parameters 国际轨道数据源

    Parameter THORAD DELTA 1 DEB NOVA 1
    Semimajor Axis (a) 7507.834 km 7550.230 km
    Eccentricity (e) 0.005799 0.001291
    Inclination (i) 101.7419° 89.8410°
    RAAN 253.1024° 86.6233°
    Perigee Argument 136.7713° 308.0058°
    Mean Anomaly (M) 14.5416° 166.3230°
    Apogee 1173.234 km 1181.840 km
    Perigee 1086.160 km 1162.346 km
    Orbit Epoch 2026-10-27T09:00:18+0000 2026-10-27T21:41:40+0000

    THORAD DELTA 1 DEB & NOVA 1 Collision Probability (Pc) Trend

    THORAD DELTA 1 DEB & NOVA 1 Collision Probability (Pc) TrendNot Available

    THORAD DELTA 1 DEB & NOVA 1 Miss Distance (Miss Distance) Trend

    THORAD DELTA 1 DEB & NOVA 1 Miss Distance (Miss Distance) TrendNot Available

    THORAD DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOVA 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NOVA 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD DELTA 1 DEB

    No nearby objects data