🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.53 AU - 0.67 AU

Year: 305 Days

Day: 29.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,423,623 km

• M1: 176,825 km (0.068 R)

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.4

Radius: 9.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.27 AU - 1.37 AU

Year: 995 Days

Day: 8.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,423,623 km

• M1: 116,836 km (0.108 R)
• M2: 486,791 km (0.105 R)
• M3: 995,574 km (0.104 R)
• M4: 1,554,471 km (0.103 R)
• M5: 1,893,460 km (0.068 R)
• M6: 3,590,050 km (0.095 R)
• M7: 4,116,485 km (0.087 R)
• M8: 5,445,662 km (0.048 R)
• M9: 5,971,498 km (0.114 R)
• M10: 7,145,841 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.7

Radius: 12.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.7 AU - 2.68 AU

Year: 2126 Days

Day: 10.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,423,623 km

• M1: 154,235 km (0.117 R)
• M2: 655,239 km (0.106 R)
• M3: 1,185,264 km (0.094 R)
• M4: 1,638,545 km (0.087 R)
• M5: 2,297,075 km (0.104 R)
• M6: 3,224,732 km (0.118 R)
• M7: 3,610,694 km (0.101 R)
• M8: 4,213,574 km (0.034 R)
• M9: 4,901,873 km (0.062 R)
• M10: 5,415,144 km (0.092 R)
• M11: 6,573,031 km (0.086 R)
• M12: 7,525,970 km (0.104 R)
• M13: 7,916,121 km (0.105 R)
• M14: 9,374,999 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947

Radius: 10.3

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.77 AU - 2.65 AU

Year: 2155 Days

Day: 7 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,423,623 km

• M1: 128,355 km (0.102 R)
• M2: 653,294 km (0.116 R)
• M3: 1,125,574 km (0.097 R)
• M4: 1,763,310 km (0.096 R)
• M5: 2,687,227 km (0.1 R)
• M6: 3,064,213 km (0.101 R)
• M7: 4,225,990 km (0.097 R)
• M8: 4,694,232 km (0.089 R)
• M9: 5,033,220 km (0.102 R)
• M10: 6,176,298 km (0.095 R)
• M11: 6,866,093 km (0.107 R)
• M12: 7,454,312 km (0.048 R)
• M13: 8,301,335 km (0.116 R)
• M14: 8,969,140 km (0.114 R)
• M15: 10,449,710 km (0.094 R)
• M16: 10,951,611 km (0.104 R)
• M17: 11,388,736 km (0.085 R)
• M18: 11,754,952 km (0.115 R)
• M19: 13,210,390 km (0.1 R)
• M20: 16,944,502 km (0.053 R)
• M21: 17,315,505 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.9

Radius: 8.1

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.79 AU - 2.93 AU

Year: 3173 Days

Day: 14.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,423,623 km

• M1: 100,679 km (0.089 R)
• M2: 424,858 km (0.079 R)
• M3: 1,109,717 km (0.104 R)
• M4: 1,583,643 km (0.053 R)
• M5: 2,133,415 km (0.114 R)
• M6: 2,934,661 km (0.103 R)
• M7: 4,718,018 km (0.104 R)
• M8: 5,166,213 km (0.117 R)
• M9: 8,007,376 km (0.07 R)
• M10: 9,684,069 km (0.099 R)
• M11: 10,369,227 km (0.118 R)
• M12: 13,529,183 km (0.091 R)
• M13: 16,951,533 km (0.115 R)
• M14: 18,978,285 km (0.109 R)
• M15: 19,390,427 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.6

Radius: 10.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.5 AU - 5.06 AU

Year: 6856 Days

Day: 9.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,423,623 km

• M1: 139,874 km (0.111 R)
• M2: 792,719 km (0.106 R)
• M3: 1,358,049 km (0.036 R)
• M4: 2,430,816 km (0.088 R)
• M5: 3,571,500 km (0.095 R)
• M6: 4,096,738 km (0.064 R)
• M7: 5,096,351 km (0.105 R)
• M8: 8,079,332 km (0.096 R)
• M9: 9,870,168 km (0.059 R)
• M10: 10,617,410 km (0.104 R)
• M11: 11,655,021 km (0.083 R)
• M12: 12,015,551 km (0.119 R)
• M13: 12,383,413 km (0.115 R)
• M14: 16,360,622 km (0.107 R)
• M15: 19,560,670 km (0.088 R)
• M16: 20,889,697 km (0.094 R)
• M17: 22,436,090 km (0.098 R)
• M18: 23,644,841 km (0.109 R)
• M19: 26,544,796 km (0.112 R)
• M20: 27,080,207 km (0.106 R)
• M21: 27,988,266 km (0.107 R)
• M22: 31,426,473 km (0.082 R)
• M23: 32,429,228 km (0.069 R)
• M24: 33,764,688 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.5

Radius: 6.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.36 AU - 10.44 AU

Year: 22002 Days

Day: 15.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,423,623 km

• M1: 78,988 km (0.095 R)
• M2: 854,204 km (0.116 R)
• M3: 1,270,984 km (0.073 R)
• M4: 2,222,276 km (0.117 R)
• M5: 3,140,508 km (0.072 R)
• M6: 3,455,711 km (0.108 R)
• M7: 3,945,494 km (0.067 R)
• M8: 6,564,055 km (0.106 R)
• M9: 12,177,267 km (0.11 R)
• M10: 14,290,187 km (0.062 R)
• M11: 17,899,684 km (0.095 R)
• M12: 22,287,240 km (0.096 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 11,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit