🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.2

Radius: 13.5

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.51 AU - 0.83 AU

Year: 372 Days

Day: 5.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,065,414 km

• M1: 168,896 km (0.091 R)
• M2: 624,571 km (0.112 R)
• M3: 1,120,039 km (0.113 R)
• M4: 2,111,873 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.3

Radius: 11.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.63 AU - 0.85 AU

Year: 432 Days

Day: 6.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,065,414 km

• M1: 165,156 km (0.119 R)
• M2: 907,760 km (0.109 R)
• M3: 1,906,326 km (0.065 R)
• M4: 2,800,472 km (0.043 R)
• M5: 3,717,507 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 11.2

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.72 AU - 1.12 AU

Year: 599 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,065,414 km

• M1: 139,724 km (0.057 R)
• M2: 716,873 km (0.087 R)
• M3: 1,168,659 km (0.033 R)
• M4: 1,911,562 km (0.069 R)
• M5: 2,314,279 km (0.064 R)
• M6: 2,765,466 km (0.111 R)
• M7: 3,199,749 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.9

Radius: 8.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.94 AU - 1.48 AU

Year: 903 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,065,414 km

• M1: 102,026 km (0.08 R)
• M2: 416,032 km (0.05 R)
• M3: 778,956 km (0.093 R)
• M4: 1,947,465 km (0.113 R)
• M5: 2,417,053 km (0.086 R)
• M6: 4,425,255 km (0.071 R)
• M7: 6,070,382 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.1

Radius: 8.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.08 AU - 2.76 AU

Year: 2553 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,065,414 km

• M1: 110,702 km (0.076 R)
• M2: 903,870 km (0.095 R)
• M3: 2,242,771 km (0.088 R)
• M4: 2,550,494 km (0.116 R)
• M5: 2,849,241 km (0.116 R)
• M6: 3,279,485 km (0.08 R)
• M7: 3,561,028 km (0.081 R)
• M8: 4,659,525 km (0.118 R)
• M9: 5,108,618 km (0.1 R)
• M10: 5,449,701 km (0.101 R)
• M11: 7,318,328 km (0.081 R)
• M12: 8,699,266 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.8

Radius: 14.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.54 AU - 3.98 AU

Year: 3992 Days

Day: 5.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,065,414 km

• M1: 185,950 km (0.077 R)
• M2: 781,649 km (0.117 R)
• M3: 1,394,103 km (0.117 R)
• M4: 2,184,428 km (0.068 R)
• M5: 2,773,096 km (0.067 R)
• M6: 3,846,610 km (0.047 R)
• M7: 4,320,835 km (0.111 R)
• M8: 5,310,575 km (0.093 R)
• M9: 6,870,133 km (0.042 R)
• M10: 7,773,255 km (0.08 R)
• M11: 8,681,464 km (0.076 R)
• M12: 11,306,158 km (0.102 R)
• M13: 11,790,257 km (0.102 R)
• M14: 12,380,121 km (0.054 R)
• M15: 12,942,161 km (0.101 R)
• M16: 14,320,256 km (0.06 R)
• M17: 17,193,582 km (0.071 R)
• M18: 18,191,400 km (0.08 R)
• M19: 18,980,379 km (0.1 R)
• M20: 19,792,097 km (0.079 R)
• M21: 20,496,853 km (0.098 R)
• M22: 21,151,942 km (0.073 R)
• M23: 22,297,712 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.4

Radius: 13.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.48 AU - 3.68 AU

Year: 4594 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,065,414 km

• M1: 167,998 km (0.119 R)
• M2: 1,131,259 km (0.063 R)
• M3: 1,639,742 km (0.08 R)
• M4: 2,363,198 km (0.045 R)
• M5: 3,840,776 km (0.097 R)
• M6: 4,431,239 km (0.052 R)
• M7: 5,772,383 km (0.087 R)
• M8: 7,817,536 km (0.087 R)
• M9: 8,585,871 km (0.096 R)
• M10: 9,178,877 km (0.081 R)
• M11: 10,136,453 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.4

Radius: 7.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.28 AU - 11.94 AU

Year: 20206 Days

Day: 21.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,065,414 km

• M1: 98,884 km (0.028 R)
• M2: 653,294 km (0.115 R)
• M3: 1,729,651 km (0.115 R)
• M4: 2,434,107 km (0.102 R)
• M5: 3,597,081 km (0.108 R)
• M6: 13,942,372 km (0.105 R)
• M7: 14,428,864 km (0.116 R)
• M8: 21,583,682 km (0.081 R)
• M9: 37,928,296 km (0.084 R)
• M10: 41,439,059 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 12,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit