🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 10.1

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.52 AU - 0.68 AU

Year: 310 Days

Day: 7.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,664,922 km

• M1: 126,560 km (0.058 R)
• M2: 470,186 km (0.072 R)
• M3: 981,063 km (0.111 R)
• M4: 1,393,055 km (0.083 R)
• M5: 1,913,207 km (0.118 R)
• M6: 2,519,827 km (0.059 R)
• M7: 2,968,770 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.1

Radius: 11.3

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.51 AU - 0.71 AU

Year: 318 Days

Day: 5 Hours

Environment

Temp: -157 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,664,922 km

• M1: 140,472 km (0.105 R)
• M2: 552,764 km (0.108 R)
• M3: 1,107,772 km (0.087 R)
• M4: 1,596,359 km (0.079 R)
• M5: 2,072,828 km (0.116 R)
• M6: 2,477,790 km (0.071 R)
• M7: 3,027,711 km (0.068 R)
• M8: 3,789,164 km (0.117 R)
• M9: 4,618,385 km (0.089 R)
• M10: 5,032,024 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.8

Radius: 9.6

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.78 AU - 1.06 AU

Year: 588 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,664,922 km

• M1: 135,087 km (0.081 R)
• M2: 623,524 km (0.098 R)
• M3: 1,063,641 km (0.09 R)
• M4: 1,595,611 km (0.082 R)
• M5: 2,238,283 km (0.049 R)
• M6: 2,652,819 km (0.097 R)
• M7: 3,069,000 km (0.09 R)
• M8: 4,273,263 km (0.088 R)
• M9: 4,748,386 km (0.047 R)
• M10: 5,311,472 km (0.111 R)
• M11: 6,653,365 km (0.117 R)
• M12: 7,403,299 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.1

Radius: 10.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.87 AU - 1.87 AU

Year: 1705 Days

Day: 10.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,664,922 km

• M1: 129,402 km (0.062 R)
• M2: 573,259 km (0.095 R)
• M3: 1,097,300 km (0.104 R)
• M4: 1,527,693 km (0.086 R)
• M5: 1,865,934 km (0.108 R)
• M6: 2,475,396 km (0.103 R)
• M7: 3,043,569 km (0.081 R)
• M8: 3,388,841 km (0.049 R)
• M9: 4,040,040 km (0.112 R)
• M10: 5,654,949 km (0.094 R)
• M11: 6,571,685 km (0.096 R)
• M12: 6,955,254 km (0.116 R)
• M13: 7,532,851 km (0.099 R)
• M14: 8,784,088 km (0.107 R)
• M15: 10,105,635 km (0.071 R)
• M16: 10,617,709 km (0.072 R)
• M17: 11,486,723 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 10.8

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.08 AU - 2.8 AU

Year: 2542 Days

Day: 8.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,664,922 km

• M1: 134,339 km (0.098 R)
• M2: 614,997 km (0.084 R)
• M3: 969,394 km (0.103 R)
• M4: 1,415,645 km (0.083 R)
• M5: 1,756,728 km (0.064 R)
• M6: 2,781,772 km (0.105 R)
• M7: 3,509,716 km (0.105 R)
• M8: 4,928,502 km (0.036 R)
• M9: 5,806,641 km (0.083 R)
• M10: 6,934,310 km (0.118 R)
• M11: 9,069,670 km (0.109 R)
• M12: 10,464,371 km (0.066 R)
• M13: 10,864,695 km (0.108 R)
• M14: 11,358,518 km (0.119 R)
• M15: 14,942,733 km (0.117 R)
• M16: 17,376,840 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.3

Radius: 10.6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.65 AU - 3.91 AU

Year: 3961 Days

Day: 13.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,664,922 km

• M1: 131,945 km (0.062 R)
• M2: 562,787 km (0.074 R)
• M3: 1,016,518 km (0.093 R)
• M4: 1,499,120 km (0.11 R)
• M5: 2,243,220 km (0.036 R)
• M6: 2,899,356 km (0.084 R)
• M7: 3,462,144 km (0.116 R)
• M8: 5,077,801 km (0.042 R)
• M9: 6,472,053 km (0.073 R)
• M10: 7,051,744 km (0.109 R)
• M11: 7,866,903 km (0.034 R)
• M12: 8,780,198 km (0.086 R)
• M13: 9,801,952 km (0.054 R)
• M14: 10,402,737 km (0.118 R)
• M15: 11,634,077 km (0.105 R)
• M16: 14,794,631 km (0.031 R)
• M17: 15,266,014 km (0.108 R)
• M18: 22,614,261 km (0.074 R)
• M19: 24,092,288 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.5

Radius: 15

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.47 AU - 5.59 AU

Year: 7523 Days

Day: 13.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,664,922 km

• M1: 186,698 km (0.109 R)
• M2: 758,162 km (0.099 R)
• M3: 1,672,504 km (0.091 R)
• M4: 3,954,470 km (0.084 R)
• M5: 4,630,802 km (0.074 R)
• M6: 5,187,905 km (0.095 R)
• M7: 7,734,659 km (0.095 R)
• M8: 8,445,398 km (0.067 R)
• M9: 9,656,243 km (0.065 R)
• M10: 10,128,225 km (0.119 R)
• M11: 11,211,762 km (0.053 R)
• M12: 13,931,751 km (0.033 R)
• M13: 14,591,477 km (0.078 R)
• M14: 20,714,368 km (0.117 R)
• M15: 23,829,445 km (0.097 R)
• M16: 27,500,577 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.2

Radius: 3.6

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.48 AU - 6.86 AU

Year: 10220 Days

Day: 18.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,664,922 km

• M1: 45,478 km (0.092 R)
• M2: 240,853 km (0.089 R)
• M3: 576,401 km (0.111 R)
• M4: 1,461,721 km (0.12 R)
• M5: 1,831,976 km (0.117 R)
• M6: 2,069,986 km (0.064 R)
• M7: 2,228,859 km (0.047 R)
• M8: 3,211,717 km (0.119 R)
• M9: 4,323,378 km (0.072 R)
• M10: 4,854,301 km (0.106 R)
• M11: 5,280,057 km (0.067 R)
• M12: 5,547,239 km (0.081 R)
• M13: 6,140,843 km (0.088 R)
• M14: 7,489,767 km (0.074 R)
• M15: 8,612,499 km (0.027 R)
• M16: 9,320,396 km (0.091 R)
• M17: 12,077,784 km (0.12 R)
• M18: 14,285,101 km (0.095 R)
• M19: 14,687,070 km (0.107 R)
• M20: 19,971,615 km (0.086 R)
• M21: 24,228,572 km (0.083 R)
• M22: 29,143,760 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 12,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit