🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.49 AU - 0.67 AU

Year: 285 Days

Day: 18.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.58 AU - 0.6 AU

Year: 293 Days

Day: 14.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.1

Radius: 14.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.31 AU - 1.47 AU

Year: 1058 Days

Day: 11.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,160,082 km

• M1: 181,911 km (0.096 R)
• M2: 636,539 km (0.062 R)
• M3: 1,104,481 km (0.112 R)
• M4: 1,562,699 km (0.09 R)
• M5: 2,625,742 km (0.119 R)
• M6: 3,339,174 km (0.077 R)
• M7: 5,313,716 km (0.09 R)
• M8: 6,416,253 km (0.101 R)
• M9: 7,191,768 km (0.087 R)
• M10: 7,768,617 km (0.117 R)
• M11: 8,295,352 km (0.062 R)
• M12: 9,627,820 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.2

Radius: 14.2

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.39 AU - 1.51 AU

Year: 1127 Days

Day: 12.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,160,082 km

• M1: 176,825 km (0.077 R)
• M2: 755,469 km (0.087 R)
• M3: 1,257,370 km (0.116 R)
• M4: 1,870,572 km (0.034 R)
• M5: 2,692,014 km (0.071 R)
• M6: 3,285,468 km (0.113 R)
• M7: 4,947,052 km (0.109 R)
• M8: 5,687,412 km (0.113 R)
• M9: 6,781,122 km (0.114 R)
• M10: 8,109,252 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.3

Radius: 11.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.2 AU - 3.58 AU

Year: 3172 Days

Day: 14.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,160,082 km

• M1: 143,016 km (0.051 R)
• M2: 502,200 km (0.117 R)
• M3: 1,096,702 km (0.033 R)
• M4: 2,230,205 km (0.102 R)
• M5: 3,401,407 km (0.049 R)
• M6: 3,833,146 km (0.101 R)
• M7: 5,557,112 km (0.108 R)
• M8: 6,696,749 km (0.12 R)
• M9: 7,153,770 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.6

Radius: 8.8

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.87 AU - 3.41 AU

Year: 3593 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,160,082 km

• M1: 109,506 km (0.076 R)
• M2: 499,058 km (0.084 R)
• M3: 797,656 km (0.064 R)
• M4: 1,219,522 km (0.091 R)
• M5: 1,688,511 km (0.114 R)
• M6: 2,455,350 km (0.078 R)
• M7: 5,084,383 km (0.106 R)
• M8: 6,123,789 km (0.116 R)
• M9: 7,298,880 km (0.101 R)
• M10: 7,836,086 km (0.044 R)
• M11: 10,088,731 km (0.103 R)
• M12: 10,502,219 km (0.108 R)
• M13: 12,223,792 km (0.101 R)
• M14: 12,741,550 km (0.117 R)
• M15: 13,570,322 km (0.089 R)
• M16: 13,972,740 km (0.117 R)
• M17: 14,382,938 km (0.104 R)
• M18: 15,389,432 km (0.105 R)
• M19: 17,073,306 km (0.119 R)
• M20: 18,814,475 km (0.091 R)
• M21: 21,951,393 km (0.105 R)
• M22: 23,141,295 km (0.117 R)
• M23: 23,788,305 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.6

Radius: 7.3

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.49 AU - 11.21 AU

Year: 19960 Days

Day: 25 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 72,160,082 km

• M1: 90,956 km (0.046 R)
• M2: 547,079 km (0.035 R)
• M3: 837,449 km (0.119 R)
• M4: 1,257,968 km (0.114 R)
• M5: 1,848,431 km (0.118 R)
• M6: 3,481,292 km (0.065 R)
• M7: 4,108,107 km (0.115 R)
• M8: 4,807,776 km (0.113 R)
• M9: 5,354,407 km (0.111 R)
• M10: 5,701,773 km (0.066 R)
• M11: 7,765,925 km (0.101 R)
• M12: 8,061,081 km (0.026 R)
• M13: 8,831,809 km (0.069 R)
• M14: 10,165,923 km (0.107 R)
• M15: 11,065,007 km (0.116 R)
• M16: 11,565,711 km (0.116 R)
• M17: 13,158,479 km (0.062 R)
• M18: 13,720,518 km (0.064 R)
• M19: 14,007,447 km (0.107 R)
• M20: 14,593,272 km (0.105 R)
• M21: 15,657,811 km (0.091 R)
• M22: 16,288,815 km (0.102 R)
• M23: 17,184,008 km (0.058 R)
• M24: 20,250,465 km (0.109 R)
• M25: 22,651,810 km (0.099 R)
• M26: 25,344,123 km (0.089 R)
• M27: 25,776,312 km (0.118 R)
• M28: 27,102,796 km (0.113 R)
• M29: 28,706,934 km (0.064 R)
• M30: 30,373,604 km (0.077 R)
• M31: 35,086,685 km (0.075 R)
• M32: 36,030,049 km (0.091 R)
• M33: 37,826,719 km (0.096 R)
• M34: 38,961,569 km (0.046 R)
• M35: 41,448,184 km (0.116 R)
• M36: 43,419,735 km (0.096 R)
• M37: 46,412,291 km (0.109 R)
• M38: 54,221,299 km (0.102 R)
• M39: 57,687,033 km (0.103 R)
• M40: 59,569,124 km (0.071 R)
• M41: 65,258,032 km (0.061 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 10,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit