🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.1

Radius: 9

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.68 AU - 0.86 AU

Year: 458 Days

Day: 6.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,785,889 km

• M1: 111,899 km (0.057 R)
• M2: 415,433 km (0.083 R)
• M3: 725,998 km (0.109 R)
• M4: 1,180,926 km (0.101 R)
• M5: 1,505,403 km (0.118 R)
• M6: 1,979,030 km (0.075 R)
• M7: 2,539,424 km (0.055 R)
• M8: 2,868,240 km (0.12 R)
• M9: 3,190,623 km (0.063 R)
• M10: 4,180,512 km (0.114 R)
• M11: 4,656,084 km (0.062 R)
• M12: 4,992,979 km (0.109 R)
• M13: 5,767,596 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248

Radius: 10.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.69 AU - 1.09 AU

Year: 569 Days

Day: 7.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,785,889 km

• M1: 131,796 km (0.107 R)
• M2: 693,685 km (0.112 R)
• M3: 1,184,965 km (0.109 R)
• M4: 1,962,425 km (0.109 R)
• M5: 2,310,838 km (0.082 R)
• M6: 2,681,841 km (0.095 R)
• M7: 3,242,534 km (0.091 R)
• M8: 4,235,415 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.1

Radius: 14.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.23 AU - 1.23 AU

Year: 925 Days

Day: 10.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 87 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,785,889 km

• M1: 184,005 km (0.101 R)
• M2: 681,867 km (0.107 R)
• M3: 1,570,030 km (0.095 R)
• M4: 2,627,836 km (0.057 R)
• M5: 3,230,416 km (0.062 R)
• M6: 3,763,583 km (0.114 R)
• M7: 4,276,405 km (0.102 R)
• M8: 4,853,254 km (0.076 R)
• M9: 5,351,714 km (0.065 R)
• M10: 6,815,829 km (0.098 R)
• M11: 8,011,864 km (0.108 R)
• M12: 8,482,498 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.6

Radius: 13.2

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.25 AU - 1.39 AU

Year: 1029 Days

Day: 5.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,785,889 km

• M1: 164,109 km (0.1 R)
• M2: 596,148 km (0.068 R)
• M3: 1,013,825 km (0.101 R)
• M4: 1,551,629 km (0.097 R)
• M5: 2,910,277 km (0.086 R)
• M6: 3,336,781 km (0.108 R)
• M7: 4,772,621 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 10.4

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.74 AU - 1.88 AU

Year: 1652 Days

Day: 13.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,785,889 km

• M1: 129,402 km (0.068 R)
• M2: 599,738 km (0.104 R)
• M3: 1,064,538 km (0.101 R)
• M4: 1,840,353 km (0.113 R)
• M5: 2,520,874 km (0.115 R)
• M6: 3,077,079 km (0.114 R)
• M7: 3,408,438 km (0.118 R)
• M8: 4,936,281 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.6

Radius: 12.2

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.44 AU - 6.14 AU

Year: 8252 Days

Day: 7.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,785,889 km

• M1: 151,692 km (0.092 R)
• M2: 624,721 km (0.103 R)
• M3: 1,280,558 km (0.072 R)
• M4: 2,052,333 km (0.065 R)
• M5: 2,691,415 km (0.076 R)
• M6: 3,158,609 km (0.077 R)
• M7: 4,369,455 km (0.101 R)
• M8: 4,926,557 km (0.105 R)
• M9: 5,334,810 km (0.067 R)
• M10: 7,521,183 km (0.073 R)
• M11: 8,367,607 km (0.118 R)
• M12: 11,725,182 km (0.086 R)
• M13: 12,745,888 km (0.053 R)
• M14: 14,769,648 km (0.072 R)
• M15: 15,959,550 km (0.098 R)
• M16: 17,644,470 km (0.114 R)
• M17: 19,756,493 km (0.097 R)
• M18: 21,530,425 km (0.045 R)
• M19: 22,285,894 km (0.116 R)
• M20: 30,108,217 km (0.078 R)
• M21: 32,561,921 km (0.11 R)
• M22: 34,006,289 km (0.111 R)
• M23: 35,030,885 km (0.06 R)
• M24: 38,595,503 km (0.067 R)
• M25: 44,926,185 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.2

Radius: 5

Gravity: 36.37 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.8 AU - 7.62 AU

Year: 11789 Days

Day: 16 Hours

Environment

Temp: -224 °C

Axial Tilt: 106.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,785,889 km

• M1: 62,831 km (0.096 R)
• M2: 260,300 km (0.119 R)
• M3: 440,117 km (0.1 R)
• M4: 598,242 km (0.082 R)
• M5: 814,560 km (0.032 R)
• M6: 1,013,226 km (0.077 R)
• M7: 1,192,594 km (0.099 R)
• M8: 2,078,064 km (0.056 R)
• M9: 2,779,229 km (0.081 R)
• M10: 2,964,880 km (0.038 R)
• M11: 3,310,002 km (0.092 R)
• M12: 4,229,132 km (0.078 R)
• M13: 4,929,250 km (0.078 R)
• M14: 5,815,468 km (0.079 R)
• M15: 6,081,602 km (0.068 R)
• M16: 6,803,113 km (0.046 R)
• M17: 8,083,371 km (0.06 R)
• M18: 9,206,702 km (0.095 R)
• M19: 11,401,751 km (0.08 R)
• M20: 12,184,298 km (0.098 R)
• M21: 15,600,964 km (0.117 R)
• M22: 19,861,062 km (0.065 R)
• M23: 21,168,996 km (0.11 R)
• M24: 22,440,429 km (0.111 R)
• M25: 22,906,725 km (0.102 R)
• M26: 25,435,528 km (0.081 R)
• M27: 28,360,615 km (0.089 R)
• M28: 34,619,939 km (0.029 R)
• M29: 37,937,422 km (0.097 R)
• M30: 39,944,427 km (0.116 R)
• M31: 58,084,066 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 15,089 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit