🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.55 AU - 0.57 AU

Year: 160 Days

Day: 21.9 Hours

Environment

Temp: 186 °C

Axial Tilt: 128.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.84 AU - 1.16 AU

Year: 383 Days

Day: 24.2 Hours

Environment

Temp: 23 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 85,786,280 km

• M1: 645,066 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.91 AU - 2.35 AU

Year: 1190 Days

Day: 38.6 Hours

Environment

Temp: -81 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,786,280 km

• M1: 896,839 km (0.055 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.1 AU - 2.36 AU

Year: 1275 Days

Day: 17.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 15

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.22 AU - 11.76 AU

Year: 11194 Days

Day: 5.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,786,280 km

• M1: 190,139 km (0.073 R)
• M2: 840,590 km (0.082 R)
• M3: 1,323,792 km (0.025 R)
• M4: 1,811,481 km (0.098 R)
• M5: 2,311,138 km (0.07 R)
• M6: 3,283,823 km (0.075 R)
• M7: 3,931,432 km (0.08 R)
• M8: 6,037,620 km (0.028 R)
• M9: 6,513,790 km (0.076 R)
• M10: 7,922,554 km (0.099 R)
• M11: 8,722,304 km (0.108 R)
• M12: 11,614,330 km (0.08 R)
• M13: 13,803,545 km (0.079 R)
• M14: 16,396,226 km (0.101 R)
• M15: 18,144,576 km (0.109 R)
• M16: 20,995,912 km (0.106 R)
• M17: 23,411,319 km (0.081 R)
• M18: 28,994,760 km (0.097 R)
• M19: 29,934,085 km (0.109 R)
• M20: 32,315,683 km (0.096 R)
• M21: 35,526,353 km (0.072 R)
• M22: 36,965,335 km (0.099 R)
• M23: 42,043,135 km (0.085 R)
• M24: 43,381,737 km (0.111 R)
• M25: 44,886,841 km (0.098 R)
• M26: 47,856,508 km (0.104 R)
• M27: 49,021,577 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.1

Radius: 6.1

Gravity: 24.7 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 11.89 AU - 12.33 AU

Year: 16136 Days

Day: 17.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,786,280 km

• M1: 75,846 km (0.116 R)
• M2: 499,507 km (0.101 R)
• M3: 925,712 km (0.066 R)
• M4: 1,157,439 km (0.091 R)
• M5: 1,775,577 km (0.078 R)
• M6: 2,346,742 km (0.103 R)
• M7: 2,856,571 km (0.102 R)
• M8: 3,755,954 km (0.109 R)
• M9: 10,469,457 km (0.077 R)
• M10: 11,201,440 km (0.096 R)
• M11: 11,966,932 km (0.119 R)
• M12: 17,559,499 km (0.029 R)
• M13: 17,813,666 km (0.087 R)
• M14: 18,156,544 km (0.107 R)
• M15: 20,028,612 km (0.081 R)
• M16: 22,920,638 km (0.089 R)
• M17: 27,762,822 km (0.026 R)
• M18: 43,138,341 km (0.042 R)
• M19: 44,852,434 km (0.106 R)
• M20: 55,006,688 km (0.119 R)
• M21: 64,355,807 km (0.1 R)
• M22: 64,556,867 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.3

Radius: 5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 11.28 AU - 17.68 AU

Year: 21097 Days

Day: 23.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,786,280 km

• M1: 62,233 km (0.117 R)
• M2: 235,916 km (0.115 R)
• M3: 710,291 km (0.066 R)
• M4: 961,017 km (0.074 R)
• M5: 4,586,970 km (0.084 R)
• M6: 4,897,535 km (0.113 R)
• M7: 5,858,552 km (0.097 R)
• M8: 6,456,644 km (0.066 R)
• M9: 8,284,730 km (0.059 R)
• M10: 15,464,979 km (0.116 R)
• M11: 18,144,576 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.5

Radius: 4.7

Gravity: 31.76 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 11.79 AU - 19.47 AU

Year: 23660 Days

Day: 19.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,786,280 km

• M1: 58,642 km (0.102 R)
• M2: 214,075 km (0.062 R)
• M3: 575,204 km (0.11 R)
• M4: 852,409 km (0.04 R)
• M5: 1,074,562 km (0.099 R)
• M6: 1,783,655 km (0.105 R)
• M7: 2,281,816 km (0.094 R)
• M8: 3,517,944 km (0.06 R)
• M9: 3,829,406 km (0.077 R)
• M10: 4,652,045 km (0.119 R)
• M11: 5,504,005 km (0.107 R)
• M12: 7,163,793 km (0.118 R)
• M13: 8,733,673 km (0.091 R)
• M14: 8,958,968 km (0.118 R)
• M15: 9,539,258 km (0.106 R)
• M16: 9,718,177 km (0.105 R)
• M17: 11,632,132 km (0.089 R)
• M18: 12,677,372 km (0.092 R)
• M19: 13,632,704 km (0.055 R)
• M20: 16,441,255 km (0.045 R)
• M21: 20,887,752 km (0.117 R)
• M22: 22,637,000 km (0.04 R)
• M23: 23,601,458 km (0.09 R)
• M24: 24,038,732 km (0.091 R)
• M25: 29,589,262 km (0.099 R)
• M26: 29,842,830 km (0.119 R)
• M27: 35,363,740 km (0.072 R)
• M28: 36,369,786 km (0.06 R)
• M29: 38,438,574 km (0.057 R)
• M30: 44,779,280 km (0.088 R)
• M31: 52,892,122 km (0.098 R)
• M32: 55,735,379 km (0.053 R)
• M33: 60,493,938 km (0.05 R)
• M34: 70,583,118 km (0.118 R)
• M35: 78,784,821 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 16,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit