🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.96 AU - 1.38 AU

Year: 573 Days

Day: 44.7 Hours

Environment

Temp: -77 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.32 AU - 1.44 AU

Year: 734 Days

Day: 22.9 Hours

Environment

Temp: -97 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.5 AU - 2.16 AU

Year: 1122 Days

Day: 46.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.3

Radius: 13.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.5 AU - 4.96 AU

Year: 4660 Days

Day: 12.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,903,377 km

• M1: 165,455 km (0.098 R)
• M2: 624,870 km (0.113 R)
• M3: 1,204,712 km (0.114 R)
• M4: 3,629,843 km (0.11 R)
• M5: 4,231,376 km (0.096 R)
• M6: 5,427,560 km (0.028 R)
• M7: 6,548,348 km (0.042 R)
• M8: 7,528,662 km (0.042 R)
• M9: 8,114,338 km (0.118 R)
• M10: 8,698,817 km (0.1 R)
• M11: 9,477,025 km (0.106 R)
• M12: 10,021,262 km (0.116 R)
• M13: 11,322,614 km (0.098 R)
• M14: 12,330,455 km (0.053 R)
• M15: 13,355,051 km (0.1 R)
• M16: 14,171,107 km (0.05 R)
• M17: 15,157,256 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.9

Radius: 8.8

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.76 AU - 6.26 AU

Year: 5860 Days

Day: 11.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,903,377 km

• M1: 121,473 km (0.102 R)
• M2: 483,949 km (0.067 R)
• M3: 771,476 km (0.034 R)
• M4: 1,350,719 km (0.096 R)
• M5: 1,834,070 km (0.114 R)
• M6: 2,533,739 km (0.072 R)
• M7: 3,975,414 km (0.087 R)
• M8: 4,273,263 km (0.091 R)
• M9: 4,830,665 km (0.099 R)
• M10: 5,170,551 km (0.116 R)
• M11: 9,994,335 km (0.118 R)
• M12: 10,736,490 km (0.097 R)
• M13: 14,772,042 km (0.109 R)
• M14: 16,106,006 km (0.108 R)
• M15: 16,483,292 km (0.111 R)
• M16: 21,484,049 km (0.074 R)
• M17: 24,491,864 km (0.117 R)
• M18: 26,617,201 km (0.111 R)
• M19: 29,140,020 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395

Radius: 8.1

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.97 AU - 9.51 AU

Year: 11706 Days

Day: 7 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,903,377 km

• M1: 100,979 km (0.12 R)
• M2: 808,277 km (0.104 R)
• M3: 1,060,948 km (0.045 R)
• M4: 1,522,458 km (0.077 R)
• M5: 2,028,996 km (0.044 R)
• M6: 2,322,208 km (0.102 R)
• M7: 2,804,960 km (0.092 R)
• M8: 3,665,297 km (0.087 R)
• M9: 5,270,483 km (0.098 R)
• M10: 6,175,101 km (0.1 R)
• M11: 7,218,546 km (0.09 R)
• M12: 7,782,380 km (0.105 R)
• M13: 11,964,688 km (0.12 R)
• M14: 13,758,815 km (0.088 R)
• M15: 14,063,995 km (0.089 R)
• M16: 14,879,154 km (0.069 R)
• M17: 17,089,014 km (0.106 R)
• M18: 17,799,753 km (0.113 R)
• M19: 19,894,722 km (0.106 R)
• M20: 22,399,888 km (0.105 R)
• M21: 22,993,342 km (0.065 R)
• M22: 23,337,118 km (0.058 R)
• M23: 23,947,029 km (0.047 R)
• M24: 27,541,417 km (0.078 R)
• M25: 32,547,261 km (0.118 R)
• M26: 33,199,059 km (0.099 R)
• M27: 34,192,987 km (0.086 R)
• M28: 35,893,466 km (0.075 R)
• M29: 42,482,504 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.6

Radius: 5.8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9.45 AU - 12.53 AU

Year: 16506 Days

Day: 23.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,903,377 km

• M1: 72,854 km (0.105 R)
• M2: 258,655 km (0.114 R)
• M3: 560,394 km (0.119 R)
• M4: 740,958 km (0.12 R)
• M5: 1,071,869 km (0.109 R)
• M6: 1,564,495 km (0.098 R)
• M7: 2,356,316 km (0.075 R)
• M8: 3,051,497 km (0.115 R)
• M9: 3,318,829 km (0.039 R)
• M10: 3,824,170 km (0.097 R)
• M11: 4,029,718 km (0.057 R)
• M12: 5,551,278 km (0.07 R)
• M13: 6,476,092 km (0.093 R)
• M14: 7,781,483 km (0.062 R)
• M15: 8,238,953 km (0.11 R)
• M16: 10,748,308 km (0.119 R)
• M17: 18,129,317 km (0.044 R)
• M18: 21,082,978 km (0.116 R)
• M19: 24,605,858 km (0.115 R)
• M20: 32,470,966 km (0.036 R)
• M21: 34,200,467 km (0.109 R)
• M22: 40,736,847 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.6

Radius: 5.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 9.43 AU - 14.63 AU

Year: 18903 Days

Day: 18.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,903,377 km

• M1: 68,366 km (0.092 R)
• M2: 244,144 km (0.038 R)
• M3: 1,070,373 km (0.113 R)
• M4: 1,289,982 km (0.088 R)
• M5: 2,069,836 km (0.12 R)
• M6: 2,324,003 km (0.09 R)
• M7: 2,833,982 km (0.061 R)
• M8: 5,107,720 km (0.094 R)
• M9: 5,509,540 km (0.103 R)
• M10: 6,878,360 km (0.072 R)
• M11: 7,800,482 km (0.093 R)
• M12: 10,757,583 km (0.104 R)
• M13: 11,211,313 km (0.092 R)
• M14: 11,942,248 km (0.085 R)
• M15: 14,813,181 km (0.107 R)
• M16: 18,042,700 km (0.094 R)
• M17: 20,008,416 km (0.064 R)
• M18: 21,003,990 km (0.106 R)
• M19: 21,632,750 km (0.093 R)
• M20: 37,331,700 km (0.118 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 15,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit