🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.9

Radius: 9

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.47 AU - 0.55 AU

Year: 243 Days

Day: 10.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,639,200 km

• M1: 114,442 km (0.117 R)
• M2: 406,308 km (0.095 R)
• M3: 688,898 km (0.107 R)
• M4: 1,038,658 km (0.112 R)
• M5: 1,376,749 km (0.083 R)
• M6: 1,883,736 km (0.06 R)
• M7: 2,205,222 km (0.091 R)
• M8: 2,593,578 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.9

Radius: 14.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.43 AU - 0.69 AU

Year: 279 Days

Day: 10.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,639,200 km

• M1: 185,352 km (0.078 R)
• M2: 694,284 km (0.113 R)
• M3: 1,298,659 km (0.07 R)
• M4: 1,857,407 km (0.056 R)
• M5: 2,361,702 km (0.108 R)
• M6: 2,841,911 km (0.08 R)
• M7: 3,489,221 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263

Radius: 11.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.85 AU - 0.85 AU

Year: 523 Days

Day: 6.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,639,200 km

• M1: 143,016 km (0.113 R)
• M2: 537,505 km (0.06 R)
• M3: 1,018,313 km (0.097 R)
• M4: 1,387,819 km (0.067 R)
• M5: 1,989,352 km (0.08 R)
• M6: 2,581,162 km (0.119 R)
• M7: 3,138,863 km (0.05 R)
• M8: 3,932,629 km (0.084 R)
• M9: 4,510,376 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.2

Radius: 11.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.75 AU - 1.13 AU

Year: 608 Days

Day: 12.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 31,639,200 km

• M1: 141,819 km (0.102 R)
• M2: 555,008 km (0.105 R)
• M3: 989,889 km (0.115 R)
• M4: 1,544,149 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.2

Radius: 12.7

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.96 AU - 2.06 AU

Year: 1900 Days

Day: 12.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,639,200 km

• M1: 157,975 km (0.112 R)
• M2: 654,191 km (0.104 R)
• M3: 1,200,523 km (0.083 R)
• M4: 1,606,083 km (0.096 R)
• M5: 2,212,253 km (0.089 R)
• M6: 2,937,953 km (0.105 R)
• M7: 4,034,804 km (0.102 R)
• M8: 4,616,291 km (0.045 R)
• M9: 5,478,424 km (0.119 R)
• M10: 6,021,165 km (0.12 R)
• M11: 6,889,132 km (0.083 R)
• M12: 7,325,509 km (0.111 R)
• M13: 8,498,356 km (0.113 R)
• M14: 11,743,283 km (0.047 R)
• M15: 12,249,074 km (0.115 R)
• M16: 12,648,201 km (0.116 R)
• M17: 13,138,433 km (0.106 R)
• M18: 15,550,100 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 14.5

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.74 AU - 2.9 AU

Year: 2356 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,639,200 km

• M1: 180,864 km (0.068 R)
• M2: 842,236 km (0.069 R)
• M3: 1,372,560 km (0.039 R)
• M4: 1,946,418 km (0.107 R)
• M5: 2,740,184 km (0.115 R)
• M6: 3,342,465 km (0.102 R)
• M7: 4,234,817 km (0.101 R)
• M8: 4,838,893 km (0.067 R)
• M9: 5,401,979 km (0.074 R)
• M10: 5,982,718 km (0.029 R)
• M11: 6,975,300 km (0.102 R)
• M12: 8,400,519 km (0.092 R)
• M13: 8,973,927 km (0.114 R)
• M14: 10,503,267 km (0.043 R)
• M15: 11,089,541 km (0.108 R)
• M16: 13,293,716 km (0.048 R)
• M17: 13,748,942 km (0.072 R)
• M18: 14,309,036 km (0.087 R)
• M19: 15,826,856 km (0.118 R)
• M20: 18,780,367 km (0.039 R)
• M21: 19,587,298 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801

Radius: 12.8

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.52 AU - 4.1 AU

Year: 4959 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,639,200 km

• M1: 159,471 km (0.117 R)
• M2: 718,818 km (0.084 R)
• M3: 1,342,641 km (0.094 R)
• M4: 2,040,964 km (0.027 R)
• M5: 3,324,364 km (0.098 R)
• M6: 4,359,581 km (0.116 R)
• M7: 5,806,941 km (0.097 R)
• M8: 6,493,894 km (0.111 R)
• M9: 7,304,565 km (0.095 R)
• M10: 7,881,713 km (0.101 R)
• M11: 8,411,439 km (0.114 R)
• M12: 9,127,564 km (0.097 R)
• M13: 10,101,297 km (0.058 R)
• M14: 12,105,908 km (0.116 R)
• M15: 16,398,171 km (0.081 R)
• M16: 17,707,451 km (0.035 R)
• M17: 19,152,716 km (0.076 R)
• M18: 20,042,824 km (0.038 R)
• M19: 21,832,014 km (0.11 R)
• M20: 22,803,503 km (0.08 R)
• M21: 23,570,192 km (0.094 R)
• M22: 24,433,222 km (0.084 R)
• M23: 28,890,191 km (0.105 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 19,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit