🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.98 AU - 1.28 AU

Year: 548 Days

Day: 23.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 153.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.15 AU - 1.73 AU

Year: 789 Days

Day: 20.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.76 AU - 2.52 AU

Year: 1429 Days

Day: 12.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,943,175 km

• M1: 723,605 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.4

Radius: 9.2

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.92 AU - 4.3 AU

Year: 3132 Days

Day: 13.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,943,175 km

• M1: 114,442 km (0.118 R)
• M2: 592,258 km (0.106 R)
• M3: 903,870 km (0.114 R)
• M4: 1,493,585 km (0.033 R)
• M5: 1,920,089 km (0.092 R)
• M6: 2,472,703 km (0.111 R)
• M7: 2,880,357 km (0.108 R)
• M8: 3,257,045 km (0.114 R)
• M9: 3,666,494 km (0.103 R)
• M10: 4,805,532 km (0.083 R)
• M11: 6,107,483 km (0.109 R)
• M12: 6,429,567 km (0.092 R)
• M13: 6,824,804 km (0.115 R)
• M14: 8,679,519 km (0.054 R)
• M15: 9,276,863 km (0.096 R)
• M16: 9,585,633 km (0.07 R)
• M17: 9,901,285 km (0.116 R)
• M18: 11,234,202 km (0.057 R)
• M19: 13,256,915 km (0.043 R)
• M20: 13,599,793 km (0.105 R)
• M21: 13,998,920 km (0.089 R)
• M22: 15,728,122 km (0.117 R)
• M23: 22,449,255 km (0.102 R)
• M24: 24,223,037 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651

Radius: 10.6

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.43 AU - 6.33 AU

Year: 6510 Days

Day: 5.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 92,943,175 km

• M1: 131,796 km (0.065 R)
• M2: 477,367 km (0.057 R)
• M3: 865,274 km (0.096 R)
• M4: 1,410,708 km (0.091 R)
• M5: 1,875,060 km (0.055 R)
• M6: 2,562,312 km (0.111 R)
• M7: 2,975,053 km (0.093 R)
• M8: 3,431,925 km (0.091 R)
• M9: 4,383,218 km (0.117 R)
• M10: 6,031,188 km (0.047 R)
• M11: 6,731,755 km (0.105 R)
• M12: 7,711,172 km (0.089 R)
• M13: 8,175,972 km (0.051 R)
• M14: 15,430,123 km (0.105 R)
• M15: 16,674,927 km (0.117 R)
• M16: 17,851,514 km (0.102 R)
• M17: 24,993,167 km (0.091 R)
• M18: 25,926,358 km (0.09 R)
• M19: 27,325,098 km (0.097 R)
• M20: 27,952,661 km (0.055 R)
• M21: 30,463,512 km (0.069 R)
• M22: 32,818,332 km (0.081 R)
• M23: 35,291,933 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.9

Radius: 9.7

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.59 AU - 8.71 AU

Year: 9660 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,943,175 km

• M1: 169,345 km (0.079 R)
• M2: 1,073,365 km (0.096 R)
• M3: 1,504,805 km (0.101 R)
• M4: 2,398,353 km (0.075 R)
• M5: 3,821,627 km (0.106 R)
• M6: 5,394,499 km (0.083 R)
• M7: 5,847,332 km (0.069 R)
• M8: 6,363,145 km (0.06 R)
• M9: 7,786,270 km (0.084 R)
• M10: 8,139,321 km (0.045 R)
• M11: 9,068,922 km (0.119 R)
• M12: 13,192,288 km (0.106 R)
• M13: 14,940,190 km (0.083 R)
• M14: 19,448,022 km (0.068 R)
• M15: 20,514,057 km (0.047 R)
• M16: 23,577,073 km (0.042 R)
• M17: 25,361,327 km (0.047 R)
• M18: 34,810,377 km (0.088 R)
• M19: 37,368,501 km (0.086 R)
• M20: 38,375,145 km (0.044 R)
• M21: 45,933,877 km (0.098 R)
• M22: 51,283,496 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.7

Radius: 7.6

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 11.41 AU - 18.55 AU

Year: 26471 Days

Day: 16.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 92,943,175 km

• M1: 151,543 km (0.051 R)
• M2: 389,403 km (0.112 R)
• M3: 645,066 km (0.035 R)
• M4: 1,346,231 km (0.097 R)
• M5: 2,359,009 km (0.054 R)
• M6: 4,835,751 km (0.091 R)
• M7: 5,270,183 km (0.116 R)
• M8: 5,816,814 km (0.062 R)
• M9: 6,540,718 km (0.101 R)
• M10: 7,072,239 km (0.049 R)
• M11: 10,298,766 km (0.041 R)
• M12: 11,424,341 km (0.118 R)
• M13: 12,850,756 km (0.094 R)
• M14: 13,301,046 km (0.064 R)
• M15: 19,066,847 km (0.078 R)
• M16: 20,962,850 km (0.117 R)
• M17: 22,654,054 km (0.097 R)
• M18: 27,770,601 km (0.032 R)
• M19: 29,937,825 km (0.104 R)
• M20: 32,352,784 km (0.093 R)
• M21: 33,046,020 km (0.115 R)
• M22: 39,108,623 km (0.073 R)
• M23: 40,852,785 km (0.12 R)
• M24: 41,175,468 km (0.057 R)
• M25: 43,649,517 km (0.067 R)
• M26: 44,325,699 km (0.072 R)
• M27: 46,046,524 km (0.084 R)
• M28: 47,990,399 km (0.048 R)
• M29: 56,114,909 km (0.028 R)
• M30: 62,509,321 km (0.092 R)
• M31: 70,756,801 km (0.102 R)
• M32: 77,213,146 km (0.092 R)
• M33: 89,912,808 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 10,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit