🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295

Radius: 9.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.6 AU - 0.78 AU

Year: 376 Days

Day: 8 Hours

Environment

Temp: -142 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,041,441 km

• M1: 121,922 km (0.032 R)
• M2: 437,424 km (0.062 R)
• M3: 799,152 km (0.054 R)
• M4: 1,126,173 km (0.106 R)
• M5: 1,935,048 km (0.099 R)
• M6: 2,482,577 km (0.041 R)
• M7: 2,862,705 km (0.09 R)
• M8: 3,500,590 km (0.092 R)
• M9: 3,968,682 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.7

Radius: 9.7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.65 AU - 0.79 AU

Year: 401 Days

Day: 14.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,041,441 km

• M1: 120,576 km (0.083 R)
• M2: 445,951 km (0.119 R)
• M3: 1,015,321 km (0.05 R)
• M4: 1,612,665 km (0.103 R)
• M5: 2,082,851 km (0.091 R)
• M6: 2,420,643 km (0.095 R)
• M7: 3,051,348 km (0.086 R)
• M8: 3,393,927 km (0.116 R)
• M9: 3,711,822 km (0.09 R)
• M10: 4,365,266 km (0.107 R)
• M11: 4,877,639 km (0.119 R)
• M12: 5,413,199 km (0.09 R)
• M13: 5,797,516 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 10.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.78 AU - 1.24 AU

Year: 666 Days

Day: 7.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,041,441 km

• M1: 133,142 km (0.05 R)
• M2: 476,469 km (0.086 R)
• M3: 1,064,389 km (0.099 R)
• M4: 1,583,493 km (0.059 R)
• M5: 2,019,272 km (0.11 R)
• M6: 2,555,281 km (0.105 R)
• M7: 3,220,842 km (0.082 R)
• M8: 3,803,227 km (0.105 R)
• M9: 4,656,234 km (0.097 R)
• M10: 5,350,069 km (0.115 R)
• M11: 5,686,065 km (0.067 R)
• M12: 6,149,520 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.08 AU - 2.5 AU

Year: 2273 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,041,441 km

• M1: 161,715 km (0.082 R)
• M2: 585,975 km (0.051 R)
• M3: 1,065,286 km (0.063 R)
• M4: 1,538,913 km (0.033 R)
• M5: 2,008,950 km (0.097 R)
• M6: 2,812,739 km (0.09 R)
• M7: 3,218,598 km (0.082 R)
• M8: 4,083,124 km (0.047 R)
• M9: 5,517,917 km (0.105 R)
• M10: 6,071,579 km (0.052 R)
• M11: 6,545,655 km (0.072 R)
• M12: 7,166,935 km (0.11 R)
• M13: 8,583,327 km (0.093 R)
• M14: 9,008,036 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.9

Radius: 13

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.35 AU - 2.49 AU

Year: 2470 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,041,441 km

• M1: 161,715 km (0.12 R)
• M2: 1,158,336 km (0.089 R)
• M3: 1,784,104 km (0.104 R)
• M4: 2,732,256 km (0.082 R)
• M5: 3,525,573 km (0.04 R)
• M6: 3,961,800 km (0.119 R)
• M7: 4,753,024 km (0.109 R)
• M8: 5,724,811 km (0.075 R)
• M9: 7,002,527 km (0.031 R)
• M10: 8,513,316 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.3

Radius: 8.2

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.79 AU - 2.85 AU

Year: 3107 Days

Day: 6.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,041,441 km

• M1: 103,522 km (0.114 R)
• M2: 482,154 km (0.104 R)
• M3: 818,300 km (0.069 R)
• M4: 1,132,007 km (0.11 R)
• M5: 1,571,974 km (0.113 R)
• M6: 2,348,836 km (0.088 R)
• M7: 3,039,081 km (0.107 R)
• M8: 3,455,860 km (0.117 R)
• M9: 4,161,364 km (0.097 R)
• M10: 4,597,292 km (0.119 R)
• M11: 4,877,339 km (0.089 R)
• M12: 6,330,383 km (0.059 R)
• M13: 7,937,813 km (0.064 R)
• M14: 8,460,059 km (0.077 R)
• M15: 11,062,463 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.3

Radius: 10.1

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.89 AU - 4.21 AU

Year: 4388 Days

Day: 6.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 31,041,441 km

• M1: 125,662 km (0.117 R)
• M2: 580,290 km (0.056 R)
• M3: 1,011,431 km (0.085 R)
• M4: 1,508,695 km (0.112 R)
• M5: 1,862,493 km (0.093 R)
• M6: 2,335,223 km (0.072 R)
• M7: 2,777,135 km (0.065 R)
• M8: 3,898,072 km (0.05 R)
• M9: 5,020,804 km (0.114 R)
• M10: 5,554,868 km (0.112 R)
• M11: 5,881,141 km (0.081 R)
• M12: 8,421,463 km (0.113 R)
• M13: 10,729,758 km (0.066 R)
• M14: 11,051,094 km (0.112 R)
• M15: 13,858,298 km (0.12 R)
• M16: 14,184,721 km (0.116 R)
• M17: 14,628,129 km (0.117 R)
• M18: 15,023,665 km (0.076 R)
• M19: 16,014,003 km (0.077 R)
• M20: 17,047,126 km (0.063 R)
• M21: 17,422,318 km (0.081 R)
• M22: 18,844,993 km (0.115 R)
• M23: 20,413,677 km (0.067 R)
• M24: 20,979,157 km (0.116 R)
• M25: 22,588,231 km (0.101 R)
• M26: 24,753,062 km (0.038 R)
• M27: 28,254,550 km (0.111 R)
• M28: 28,604,310 km (0.099 R)
• M29: 29,491,425 km (0.116 R)
• M30: 30,214,132 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 15,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit