🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.5 AU - 0.83 AU

Year: 201 Days

Day: 43.3 Hours

Environment

Temp: 113 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.15 AU - 1.59 AU

Year: 601 Days

Day: 18.4 Hours

Environment

Temp: -44 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,452,154 km

• M1: 1,219,073 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.17 AU - 1.95 AU

Year: 730 Days

Day: 45.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,452,154 km

• M1: 327,619 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.99 AU - 2.37 AU

Year: 1206 Days

Day: 35 Hours

Environment

Temp: -82 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,452,154 km

• M1: 29,920 km (0.034 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.93 AU - 3.37 AU

Year: 2095 Days

Day: 46.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.5

Radius: 10.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4 AU - 5 AU

Year: 3577 Days

Day: 13.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,452,154 km

• M1: 128,056 km (0.081 R)
• M2: 791,074 km (0.089 R)
• M3: 1,145,321 km (0.095 R)
• M4: 2,027,350 km (0.117 R)
• M5: 2,477,341 km (0.034 R)
• M6: 3,861,869 km (0.084 R)
• M7: 4,450,387 km (0.118 R)
• M8: 6,145,181 km (0.096 R)
• M9: 7,819,780 km (0.098 R)
• M10: 9,035,711 km (0.086 R)
• M11: 9,527,140 km (0.104 R)
• M12: 12,046,817 km (0.039 R)
• M13: 12,470,479 km (0.084 R)
• M14: 13,801,301 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.9

Radius: 13.3

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.48 AU - 7.24 AU

Year: 5316 Days

Day: 5.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,452,154 km

• M1: 167,400 km (0.11 R)
• M2: 595,699 km (0.079 R)
• M3: 1,464,264 km (0.109 R)
• M4: 4,054,102 km (0.074 R)
• M5: 4,889,606 km (0.115 R)
• M6: 5,543,349 km (0.08 R)
• M7: 6,001,717 km (0.092 R)
• M8: 7,212,861 km (0.062 R)
• M9: 10,969,114 km (0.117 R)
• M10: 11,564,364 km (0.054 R)
• M11: 12,181,306 km (0.117 R)
• M12: 14,616,011 km (0.043 R)
• M13: 15,389,881 km (0.05 R)
• M14: 16,028,664 km (0.038 R)
• M15: 21,201,160 km (0.057 R)
• M16: 21,992,383 km (0.094 R)
• M17: 22,530,786 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.4

Radius: 11.1

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.4 AU - 8.32 AU

Year: 7482 Days

Day: 14.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,452,154 km

• M1: 147,055 km (0.115 R)
• M2: 518,357 km (0.052 R)
• M3: 987,645 km (0.118 R)
• M4: 1,365,978 km (0.105 R)
• M5: 1,724,265 km (0.077 R)
• M6: 2,373,819 km (0.097 R)
• M7: 2,941,842 km (0.065 R)
• M8: 4,027,623 km (0.115 R)
• M9: 4,576,049 km (0.059 R)
• M10: 5,655,548 km (0.083 R)
• M11: 7,011,503 km (0.116 R)
• M12: 8,312,406 km (0.061 R)
• M13: 8,794,859 km (0.119 R)
• M14: 9,529,983 km (0.089 R)
• M15: 11,493,455 km (0.116 R)
• M16: 12,428,591 km (0.107 R)
• M17: 12,885,762 km (0.111 R)
• M18: 13,354,303 km (0.037 R)
• M19: 14,387,575 km (0.098 R)
• M20: 14,828,291 km (0.082 R)
• M21: 20,446,738 km (0.056 R)
• M22: 20,843,920 km (0.11 R)
• M23: 22,066,284 km (0.078 R)
• M24: 22,568,484 km (0.1 R)
• M25: 24,743,338 km (0.114 R)
• M26: 32,963,741 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.8

Radius: 5.1

Gravity: 18.56 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 13.56 AU - 21.38 AU

Year: 27363 Days

Day: 16.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,452,154 km

• M1: 66,122 km (0.101 R)
• M2: 277,803 km (0.083 R)
• M3: 510,278 km (0.065 R)
• M4: 1,173,446 km (0.096 R)
• M5: 1,382,135 km (0.069 R)
• M6: 1,797,718 km (0.107 R)
• M7: 3,547,564 km (0.052 R)
• M8: 3,889,545 km (0.11 R)
• M9: 4,711,735 km (0.089 R)
• M10: 5,281,104 km (0.12 R)
• M11: 5,685,467 km (0.088 R)
• M12: 6,285,803 km (0.095 R)
• M13: 7,662,253 km (0.065 R)
• M14: 10,362,495 km (0.074 R)
• M15: 12,832,805 km (0.097 R)
• M16: 14,242,166 km (0.079 R)
• M17: 18,438,087 km (0.074 R)
• M18: 25,709,441 km (0.088 R)
• M19: 26,052,768 km (0.041 R)
• M20: 27,219,781 km (0.11 R)
• M21: 30,162,072 km (0.104 R)
• M22: 32,237,144 km (0.083 R)
• M23: 39,483,665 km (0.084 R)
• M24: 40,865,800 km (0.045 R)
• M25: 48,436,649 km (0.06 R)
• M26: 48,785,511 km (0.081 R)
• M27: 50,554,955 km (0.089 R)
• M28: 56,311,331 km (0.115 R)
• M29: 59,247,040 km (0.055 R)
• M30: 60,046,940 km (0.063 R)
• M31: 74,302,570 km (0.109 R)
• M32: 80,486,048 km (0.086 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 17,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit