🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.94 AU - 0.98 AU

Year: 344 Days

Day: 31.2 Hours

Environment

Temp: 47 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.4 AU - 2.26 AU

Year: 904 Days

Day: 41.4 Hours

Environment

Temp: -61 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.75 AU - 2.39 AU

Year: 1088 Days

Day: 31.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 104,179,990 km

• M1: 138,079 km (0.117 R)
• M2: 1,121,834 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.55 AU - 2.71 AU

Year: 1558 Days

Day: 17.3 Hours

Environment

Temp: -95 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.53 AU - 3.45 AU

Year: 1888 Days

Day: 15 Hours

Environment

Temp: -101 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.03 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.7

Radius: 10.3

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.81 AU - 6.33 AU

Year: 4170 Days

Day: 11.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 104,179,990 km

• M1: 128,056 km (0.072 R)
• M2: 657,782 km (0.038 R)
• M3: 1,206,357 km (0.058 R)
• M4: 1,752,539 km (0.107 R)
• M5: 2,114,117 km (0.081 R)
• M6: 2,809,598 km (0.049 R)
• M7: 3,342,316 km (0.08 R)
• M8: 3,867,255 km (0.097 R)
• M9: 4,631,400 km (0.099 R)
• M10: 5,706,261 km (0.105 R)
• M11: 6,536,679 km (0.059 R)
• M12: 6,885,092 km (0.099 R)
• M13: 7,678,260 km (0.062 R)
• M14: 8,250,323 km (0.06 R)
• M15: 8,753,869 km (0.047 R)
• M16: 9,927,016 km (0.091 R)
• M17: 10,569,688 km (0.067 R)
• M18: 12,501,296 km (0.08 R)
• M19: 13,123,922 km (0.092 R)
• M20: 15,632,977 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.1

Radius: 13.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.77 AU - 5.67 AU

Year: 4356 Days

Day: 8.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 104,179,990 km

• M1: 173,384 km (0.081 R)
• M2: 645,066 km (0.099 R)
• M3: 1,151,904 km (0.066 R)
• M4: 1,611,917 km (0.115 R)
• M5: 2,183,531 km (0.114 R)
• M6: 3,486,528 km (0.104 R)
• M7: 4,689,295 km (0.09 R)
• M8: 5,706,560 km (0.032 R)
• M9: 6,835,276 km (0.106 R)
• M10: 7,307,258 km (0.114 R)
• M11: 8,142,463 km (0.106 R)
• M12: 9,115,148 km (0.057 R)
• M13: 10,407,524 km (0.073 R)
• M14: 10,991,404 km (0.075 R)
• M15: 14,654,757 km (0.087 R)
• M16: 15,928,732 km (0.038 R)
• M17: 16,592,947 km (0.109 R)
• M18: 17,160,372 km (0.055 R)
• M19: 18,334,117 km (0.073 R)
• M20: 19,125,489 km (0.062 R)
• M21: 20,003,030 km (0.057 R)
• M22: 22,727,657 km (0.113 R)
• M23: 23,216,542 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.3

Radius: 3.4

Gravity: 66.89 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 11.8 AU - 17.22 AU

Year: 20188 Days

Day: 24.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 104,179,990 km

• M1: 57,894 km (0.062 R)
• M2: 338,989 km (0.076 R)
• M3: 867,817 km (0.082 R)
• M4: 1,157,588 km (0.099 R)
• M5: 1,348,026 km (0.067 R)
• M6: 2,828,297 km (0.098 R)
• M7: 3,257,643 km (0.026 R)
• M8: 4,518,903 km (0.112 R)
• M9: 6,289,394 km (0.055 R)
• M10: 8,314,949 km (0.094 R)
• M11: 10,799,620 km (0.079 R)
• M12: 12,039,637 km (0.092 R)
• M13: 15,428,477 km (0.06 R)
• M14: 16,996,263 km (0.116 R)
• M15: 21,924,466 km (0.117 R)
• M16: 22,536,022 km (0.033 R)
• M17: 23,793,093 km (0.113 R)
• M18: 27,022,611 km (0.112 R)
• M19: 34,334,058 km (0.106 R)
• M20: 36,988,672 km (0.098 R)
• M21: 41,145,249 km (0.073 R)
• M22: 47,607,129 km (0.072 R)
• M23: 60,086,882 km (0.062 R)
• M24: 61,483,229 km (0.097 R)
• M25: 63,720,914 km (0.094 R)
• M26: 75,036,497 km (0.068 R)
• M27: 77,590,282 km (0.102 R)
• M28: 78,060,767 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.3

Radius: 4.2

Gravity: 55.01 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 17.39 AU - 17.77 AU

Year: 26923 Days

Day: 16.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 104,179,990 km

• M1: 80,783 km (0.096 R)
• M2: 291,716 km (0.077 R)
• M3: 463,005 km (0.099 R)
• M4: 659,577 km (0.069 R)
• M5: 860,487 km (0.075 R)
• M6: 1,403,527 km (0.096 R)
• M7: 2,671,369 km (0.117 R)
• M8: 2,835,628 km (0.116 R)
• M9: 3,794,251 km (0.116 R)
• M10: 4,632,448 km (0.102 R)
• M11: 5,157,387 km (0.089 R)
• M12: 7,387,442 km (0.101 R)
• M13: 10,055,969 km (0.084 R)
• M14: 11,353,282 km (0.045 R)
• M15: 12,529,121 km (0.119 R)
• M16: 13,462,612 km (0.082 R)
• M17: 13,783,798 km (0.115 R)
• M18: 14,028,092 km (0.103 R)
• M19: 18,634,210 km (0.059 R)
• M20: 19,847,897 km (0.075 R)
• M21: 21,765,742 km (0.037 R)
• M22: 22,096,952 km (0.092 R)
• M23: 24,989,128 km (0.087 R)
• M24: 27,476,791 km (0.061 R)
• M25: 32,649,137 km (0.085 R)
• M26: 33,520,844 km (0.034 R)
• M27: 35,921,291 km (0.096 R)
• M28: 37,954,177 km (0.084 R)
• M29: 38,594,755 km (0.11 R)
• M30: 38,917,736 km (0.068 R)
• M31: 44,333,479 km (0.069 R)
• M32: 46,853,006 km (0.101 R)
• M33: 49,847,357 km (0.116 R)
• M34: 52,175,100 km (0.113 R)
• M35: 54,371,496 km (0.101 R)
• M36: 54,574,201 km (0.104 R)
• M37: 59,161,769 km (0.087 R)
• M38: 59,376,143 km (0.072 R)
• M39: 60,891,719 km (0.073 R)
• M40: 61,329,442 km (0.109 R)
• M41: 66,283,376 km (0.116 R)
• M42: 76,214,730 km (0.12 R)
• M43: 77,489,752 km (0.099 R)
• M44: 85,439,682 km (0.069 R)
• M45: 99,867,499 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 11,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit