🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.74 AU - 0.78 AU

Year: 241 Days

Day: 19.2 Hours

Environment

Temp: 163 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 69,528,545 km

• M1: 31,715 km (0.118 R)
• M2: 45,777 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.21 AU - 2.57 AU

Year: 1343 Days

Day: 33.8 Hours

Environment

Temp: -90 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.05 AU - 5.51 AU

Year: 3798 Days

Day: 45.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,528,545 km

• M1: 4,650,699 km (0.034 R)

Asteroid Belt

Center: 6.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.7

Radius: 14.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.26 AU - 9.9 AU

Year: 9944 Days

Day: 5.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 130.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,528,545 km

• M1: 185,352 km (0.038 R)
• M2: 754,422 km (0.105 R)
• M3: 1,247,347 km (0.096 R)
• M4: 1,949,410 km (0.115 R)
• M5: 3,116,572 km (0.047 R)
• M6: 3,612,938 km (0.102 R)
• M7: 4,681,665 km (0.116 R)
• M8: 6,019,818 km (0.084 R)
• M9: 6,870,581 km (0.094 R)
• M10: 8,045,523 km (0.087 R)
• M11: 10,944,879 km (0.036 R)
• M12: 14,297,966 km (0.047 R)
• M13: 14,791,639 km (0.077 R)
• M14: 16,208,331 km (0.114 R)
• M15: 18,719,331 km (0.063 R)
• M16: 21,883,775 km (0.102 R)
• M17: 23,210,110 km (0.071 R)
• M18: 24,942,752 km (0.079 R)
• M19: 27,416,802 km (0.092 R)
• M20: 36,959,201 km (0.089 R)
• M21: 39,802,009 km (0.115 R)
• M22: 42,279,949 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.5

Radius: 13

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.19 AU - 10.67 AU

Year: 10524 Days

Day: 8.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,528,545 km

• M1: 162,164 km (0.094 R)
• M2: 569,519 km (0.107 R)
• M3: 1,345,034 km (0.093 R)
• M4: 1,776,624 km (0.119 R)
• M5: 2,363,198 km (0.086 R)
• M6: 4,389,650 km (0.115 R)
• M7: 6,535,482 km (0.097 R)
• M8: 7,419,755 km (0.107 R)
• M9: 9,187,254 km (0.1 R)
• M10: 10,512,242 km (0.1 R)
• M11: 11,311,394 km (0.108 R)
• M12: 11,866,552 km (0.101 R)
• M13: 12,391,341 km (0.099 R)
• M14: 13,031,321 km (0.094 R)
• M15: 16,159,712 km (0.052 R)
• M16: 17,960,272 km (0.065 R)
• M17: 21,602,531 km (0.104 R)
• M18: 23,934,313 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.2

Radius: 8.3

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.24 AU - 11.14 AU

Year: 12703 Days

Day: 8.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,528,545 km

• M1: 144,661 km (0.06 R)
• M2: 490,681 km (0.075 R)
• M3: 1,071,570 km (0.088 R)
• M4: 1,773,483 km (0.115 R)
• M5: 2,751,853 km (0.061 R)
• M6: 3,202,442 km (0.089 R)
• M7: 3,727,680 km (0.098 R)
• M8: 5,276,317 km (0.117 R)
• M9: 6,457,691 km (0.087 R)
• M10: 6,848,291 km (0.057 R)
• M11: 7,296,038 km (0.045 R)
• M12: 8,432,084 km (0.089 R)
• M13: 9,432,445 km (0.096 R)
• M14: 10,246,257 km (0.064 R)
• M15: 12,907,304 km (0.099 R)
• M16: 13,909,460 km (0.026 R)
• M17: 15,997,398 km (0.108 R)
• M18: 19,629,185 km (0.119 R)
• M19: 25,567,174 km (0.09 R)
• M20: 28,058,726 km (0.067 R)
• M21: 28,368,095 km (0.084 R)
• M22: 37,113,287 km (0.117 R)
• M23: 41,890,246 km (0.083 R)
• M24: 48,528,801 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.1

Radius: 7.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 12.43 AU - 15.05 AU

Year: 18510 Days

Day: 17.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,528,545 km

• M1: 102,325 km (0.088 R)
• M2: 343,477 km (0.051 R)
• M3: 673,789 km (0.056 R)
• M4: 1,336,807 km (0.12 R)
• M5: 3,582,271 km (0.051 R)
• M6: 5,184,763 km (0.052 R)
• M7: 6,845,000 km (0.093 R)
• M8: 8,831,660 km (0.027 R)
• M9: 10,003,610 km (0.113 R)
• M10: 12,110,247 km (0.085 R)
• M11: 13,495,673 km (0.062 R)
• M12: 14,078,356 km (0.104 R)
• M13: 15,991,564 km (0.103 R)
• M14: 17,246,241 km (0.106 R)
• M15: 23,419,397 km (0.045 R)
• M16: 29,249,675 km (0.089 R)
• M17: 32,342,611 km (0.078 R)
• M18: 33,070,105 km (0.101 R)
• M19: 34,990,643 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257

Radius: 4.9

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 17.91 AU - 18.75 AU

Year: 28522 Days

Day: 18 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,528,545 km

• M1: 60,886 km (0.054 R)
• M2: 217,067 km (0.1 R)
• M3: 384,467 km (0.069 R)
• M4: 950,994 km (0.101 R)
• M5: 1,107,772 km (0.101 R)
• M6: 1,652,159 km (0.065 R)
• M7: 3,724,239 km (0.052 R)
• M8: 4,342,228 km (0.063 R)
• M9: 5,469,298 km (0.092 R)
• M10: 9,114,250 km (0.115 R)
• M11: 10,286,499 km (0.073 R)
• M12: 11,618,668 km (0.087 R)
• M13: 15,444,185 km (0.047 R)
• M14: 20,582,273 km (0.115 R)
• M15: 22,000,312 km (0.091 R)
• M16: 23,180,639 km (0.027 R)
• M17: 23,990,562 km (0.085 R)
• M18: 28,439,752 km (0.073 R)
• M19: 29,133,737 km (0.111 R)
• M20: 30,076,652 km (0.114 R)
• M21: 31,405,979 km (0.049 R)
• M22: 32,774,051 km (0.113 R)
• M23: 35,362,244 km (0.114 R)
• M24: 42,123,320 km (0.101 R)
• M25: 44,710,316 km (0.05 R)
• M26: 48,539,872 km (0.047 R)
• M27: 51,551,576 km (0.07 R)
• M28: 55,578,003 km (0.114 R)
• M29: 58,685,300 km (0.095 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 16,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit