Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.457474E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T12:55:47+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 49289
    NORAD ID 49289
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter NOVA 1 ONEWEB-0363
    Time of Closest Approach 2026-09-15T17:56:44+0000
    Collision Probability (Pc) 2.457474E-6
    Conjunction Distance (km) 2.113 km
    Relative Speed (km/s) 14.424 km/s
    Conjunction Risk Parameters R (Radial): 1.891 | I (In-track): 0.107 | C (Cross-track): -0.935
    Collision Risk Index (CRI) 0.43
    X Position (km) 93.741 92.835
    Position Y (km) 1529.416 1529.947
    Position Z (km) -7410.369 -7412.202
    Velocity X (km/s) 0.333 -1.724
    Velocity Y (km/s) 7.085 -6.889
    Velocity Z (km/s) 1.474 -1.444

    Orbital Parameters 国际轨道数据源

    Parameter NOVA 1 ONEWEB-0363
    Semimajor Axis (a) 7550.244 km 7559.914 km
    Eccentricity (e) 0.001609 0.000223
    Inclination (i) 89.8385° 87.9134°
    RAAN 87.3168° 256.9296°
    Perigee Argument 70.2960° 94.8974°
    Mean Anomaly (M) 95.1698° 265.2414°
    Apogee 1184.256 km 1183.464 km
    Perigee 1159.958 km 1180.090 km
    Orbit Epoch 2026-09-13T00:01:50+0000 2026-09-12T23:11:14+0000

    NOVA 1 & ONEWEB-0363 Collision Probability (Pc) Trend

    NOVA 1 & ONEWEB-0363 Collision Probability (Pc) TrendNot Available

    NOVA 1 & ONEWEB-0363 Miss Distance (Miss Distance) Trend

    NOVA 1 & ONEWEB-0363 Miss Distance (Miss Distance) TrendNot Available

    NOVA 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0363Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOVA 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0363Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOVA 1

    No nearby objects data