🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.01 AU - 1.09 AU

Year: 378 Days

Day: 39 Hours

Environment

Temp: 113 °C

Axial Tilt: 17.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,888,509 km

• M1: 25,432 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.91 AU - 2.01 AU

Year: 964 Days

Day: 35.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.97 AU - 5.83 AU

Year: 3812 Days

Day: 42.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.1

Radius: 14

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.43 AU - 6.97 AU

Year: 4783 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,888,509 km

• M1: 174,132 km (0.103 R)
• M2: 628,161 km (0.096 R)
• M3: 1,152,352 km (0.098 R)
• M4: 1,989,352 km (0.109 R)
• M5: 2,487,513 km (0.088 R)
• M6: 3,243,282 km (0.057 R)
• M7: 3,784,976 km (0.116 R)
• M8: 6,586,196 km (0.119 R)
• M9: 7,048,004 km (0.107 R)
• M10: 7,673,623 km (0.048 R)
• M11: 8,336,042 km (0.087 R)
• M12: 9,566,335 km (0.093 R)
• M13: 11,328,748 km (0.075 R)
• M14: 12,287,072 km (0.087 R)
• M15: 14,474,940 km (0.038 R)
• M16: 15,953,267 km (0.108 R)
• M17: 17,844,932 km (0.09 R)
• M18: 22,958,336 km (0.071 R)
• M19: 24,492,163 km (0.116 R)
• M20: 28,277,738 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.9

Radius: 14.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.81 AU - 6.71 AU

Year: 5505 Days

Day: 11.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,888,509 km

• M1: 179,069 km (0.111 R)
• M2: 708,944 km (0.101 R)
• M3: 1,328,579 km (0.081 R)
• M4: 1,778,419 km (0.111 R)
• M5: 2,729,264 km (0.107 R)
• M6: 3,739,199 km (0.112 R)
• M7: 4,527,879 km (0.097 R)
• M8: 5,450,150 km (0.038 R)
• M9: 6,409,521 km (0.077 R)
• M10: 7,541,677 km (0.1 R)
• M11: 8,122,716 km (0.039 R)
• M12: 9,932,999 km (0.069 R)
• M13: 10,672,013 km (0.101 R)
• M14: 11,913,376 km (0.08 R)
• M15: 16,859,680 km (0.084 R)
• M16: 17,799,454 km (0.097 R)
• M17: 20,580,029 km (0.117 R)
• M18: 21,206,994 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.6

Radius: 10.7

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.22 AU - 9.16 AU

Year: 9003 Days

Day: 5.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,888,509 km

• M1: 133,441 km (0.094 R)
• M2: 1,197,232 km (0.083 R)
• M3: 2,116,959 km (0.075 R)
• M4: 2,455,948 km (0.115 R)
• M5: 4,531,918 km (0.081 R)
• M6: 10,458,088 km (0.108 R)
• M7: 11,026,859 km (0.098 R)
• M8: 13,631,358 km (0.052 R)
• M9: 15,602,310 km (0.111 R)
• M10: 16,830,209 km (0.079 R)
• M11: 17,828,925 km (0.11 R)
• M12: 19,787,909 km (0.097 R)
• M13: 21,969,794 km (0.027 R)
• M14: 25,768,682 km (0.066 R)
• M15: 27,872,028 km (0.106 R)
• M16: 29,167,396 km (0.068 R)
• M17: 30,087,423 km (0.108 R)
• M18: 34,525,094 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.3

Radius: 5.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 13.3 AU - 19.46 AU

Year: 23300 Days

Day: 21.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,888,509 km

• M1: 64,776 km (0.097 R)
• M2: 333,753 km (0.113 R)
• M3: 563,086 km (0.117 R)
• M4: 2,432,162 km (0.103 R)
• M5: 2,639,206 km (0.113 R)
• M6: 2,813,188 km (0.064 R)
• M7: 3,160,255 km (0.108 R)
• M8: 3,509,416 km (0.108 R)
• M9: 3,856,334 km (0.062 R)
• M10: 4,649,651 km (0.026 R)
• M11: 5,476,329 km (0.103 R)
• M12: 6,205,170 km (0.101 R)
• M13: 8,077,836 km (0.115 R)
• M14: 9,669,707 km (0.096 R)
• M15: 10,620,701 km (0.095 R)
• M16: 11,517,091 km (0.102 R)
• M17: 13,781,105 km (0.085 R)
• M18: 15,893,128 km (0.085 R)
• M19: 17,213,629 km (0.112 R)
• M20: 18,447,213 km (0.064 R)
• M21: 22,230,992 km (0.116 R)
• M22: 25,313,306 km (0.083 R)
• M23: 26,300,802 km (0.112 R)
• M24: 33,824,228 km (0.113 R)
• M25: 34,061,341 km (0.093 R)
• M26: 37,372,839 km (0.098 R)
• M27: 40,892,728 km (0.036 R)
• M28: 43,079,549 km (0.065 R)
• M29: 47,091,764 km (0.061 R)
• M30: 50,413,734 km (0.069 R)
• M31: 52,925,483 km (0.106 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 14,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit