🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.51 AU - 0.53 AU

Year: 238 Days

Day: 44.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.2

Radius: 11.8

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.62 AU - 3.54 AU

Year: 3437 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,863,817 km

• M1: 169,943 km (0.069 R)
• M2: 601,383 km (0.081 R)
• M3: 1,317,209 km (0.09 R)
• M4: 2,041,861 km (0.076 R)
• M5: 2,693,659 km (0.08 R)
• M6: 3,146,193 km (0.096 R)
• M7: 3,662,605 km (0.054 R)
• M8: 4,162,112 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.3

Radius: 11.5

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.15 AU - 3.79 AU

Year: 4110 Days

Day: 14.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,863,817 km

• M1: 143,165 km (0.064 R)
• M2: 528,828 km (0.086 R)
• M3: 937,530 km (0.115 R)
• M4: 1,553,574 km (0.095 R)
• M5: 1,941,930 km (0.104 R)
• M6: 2,441,736 km (0.099 R)
• M7: 2,833,234 km (0.111 R)
• M8: 3,191,521 km (0.075 R)
• M9: 4,453,977 km (0.116 R)
• M10: 4,966,949 km (0.069 R)
• M11: 5,684,121 km (0.066 R)
• M12: 7,763,082 km (0.097 R)
• M13: 8,147,399 km (0.081 R)
• M14: 9,614,356 km (0.113 R)
• M15: 10,181,631 km (0.088 R)
• M16: 15,776,741 km (0.086 R)
• M17: 23,067,842 km (0.089 R)
• M18: 25,361,177 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 15

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.54 AU - 3.72 AU

Year: 4397 Days

Day: 11.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,863,817 km

• M1: 186,549 km (0.081 R)
• M2: 741,407 km (0.109 R)
• M3: 1,723,966 km (0.118 R)
• M4: 2,440,091 km (0.054 R)
• M5: 3,002,280 km (0.078 R)
• M6: 3,560,579 km (0.04 R)
• M7: 5,233,083 km (0.038 R)
• M8: 5,970,601 km (0.061 R)
• M9: 6,500,027 km (0.027 R)
• M10: 8,739,059 km (0.095 R)
• M11: 11,453,363 km (0.104 R)
• M12: 12,024,078 km (0.077 R)
• M13: 13,400,080 km (0.095 R)
• M14: 13,988,298 km (0.088 R)
• M15: 16,260,241 km (0.108 R)
• M16: 16,825,572 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.9

Radius: 9.4

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.39 AU - 4.03 AU

Year: 4544 Days

Day: 13.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,863,817 km

• M1: 116,836 km (0.095 R)
• M2: 434,133 km (0.104 R)
• M3: 727,943 km (0.113 R)
• M4: 1,032,824 km (0.106 R)
• M5: 1,529,489 km (0.111 R)
• M6: 2,030,342 km (0.1 R)
• M7: 3,119,265 km (0.077 R)
• M8: 4,044,528 km (0.111 R)
• M9: 5,170,402 km (0.087 R)
• M10: 5,716,583 km (0.115 R)
• M11: 6,656,806 km (0.088 R)
• M12: 7,991,518 km (0.11 R)
• M13: 9,580,547 km (0.116 R)
• M14: 10,008,696 km (0.108 R)
• M15: 10,857,514 km (0.089 R)
• M16: 11,850,545 km (0.067 R)
• M17: 13,425,362 km (0.039 R)
• M18: 13,853,511 km (0.098 R)
• M19: 14,235,584 km (0.09 R)
• M20: 16,433,775 km (0.047 R)
• M21: 21,637,088 km (0.112 R)
• M22: 22,374,905 km (0.032 R)
• M23: 24,213,911 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.6

Radius: 4.8

Gravity: 40.82 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.24 AU - 10.58 AU

Year: 18353 Days

Day: 19.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,863,817 km

• M1: 59,690 km (0.081 R)
• M2: 351,106 km (0.094 R)
• M3: 809,324 km (0.048 R)
• M4: 980,913 km (0.097 R)
• M5: 1,430,156 km (0.069 R)
• M6: 1,849,329 km (0.076 R)
• M7: 2,279,722 km (0.111 R)
• M8: 2,927,630 km (0.112 R)
• M9: 3,308,357 km (0.096 R)
• M10: 3,721,397 km (0.079 R)
• M11: 4,268,177 km (0.068 R)
• M12: 4,685,256 km (0.049 R)
• M13: 4,903,669 km (0.099 R)
• M14: 5,559,805 km (0.091 R)
• M15: 6,449,015 km (0.052 R)
• M16: 7,331,792 km (0.098 R)
• M17: 11,151,773 km (0.111 R)
• M18: 11,740,142 km (0.116 R)
• M19: 13,409,654 km (0.073 R)
• M20: 18,532,334 km (0.109 R)
• M21: 19,730,762 km (0.041 R)
• M22: 21,176,626 km (0.103 R)
• M23: 21,975,927 km (0.108 R)
• M24: 27,667,827 km (0.103 R)
• M25: 28,023,272 km (0.051 R)
• M26: 28,864,460 km (0.101 R)
• M27: 30,597,252 km (0.063 R)
• M28: 39,257,024 km (0.116 R)
• M29: 41,380,865 km (0.086 R)
• M30: 52,069,184 km (0.115 R)
• M31: 54,258,849 km (0.115 R)
• M32: 56,508,950 km (0.098 R)
• M33: 59,999,667 km (0.113 R)
• M34: 62,202,196 km (0.064 R)
• M35: 64,250,640 km (0.089 R)
• M36: 74,941,053 km (0.104 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: 400 - 14,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit