🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.7

Radius: 12.9

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.6 AU - 0.66 AU

Year: 351 Days

Day: 11 Hours

Environment

Temp: -159 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,509,247 km

• M1: 160,369 km (0.073 R)
• M2: 643,271 km (0.087 R)
• M3: 1,055,862 km (0.107 R)
• M4: 1,516,773 km (0.05 R)
• M5: 1,971,850 km (0.063 R)
• M6: 2,437,249 km (0.117 R)
• M7: 3,133,926 km (0.075 R)
• M8: 4,310,064 km (0.113 R)
• M9: 5,118,940 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.7

Radius: 14.5

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.54 AU - 0.74 AU

Year: 360 Days

Day: 12.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 20,509,247 km

• M1: 187,297 km (0.109 R)
• M2: 665,860 km (0.111 R)
• M3: 1,164,171 km (0.057 R)
• M4: 1,799,812 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.8

Radius: 14.6

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.82 AU - 1.84 AU

Year: 1740 Days

Day: 13.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,509,247 km

• M1: 183,257 km (0.086 R)
• M2: 650,003 km (0.113 R)
• M3: 1,155,494 km (0.049 R)
• M4: 2,354,670 km (0.098 R)
• M5: 2,821,865 km (0.117 R)
• M6: 3,401,407 km (0.081 R)
• M7: 4,331,158 km (0.092 R)
• M8: 7,646,845 km (0.093 R)
• M9: 8,496,860 km (0.073 R)
• M10: 9,647,267 km (0.098 R)
• M11: 10,242,218 km (0.095 R)
• M12: 11,048,700 km (0.101 R)
• M13: 11,976,357 km (0.113 R)
• M14: 13,081,436 km (0.095 R)
• M15: 13,593,959 km (0.104 R)
• M16: 14,478,082 km (0.109 R)
• M17: 14,934,355 km (0.107 R)
• M18: 15,589,145 km (0.098 R)
• M19: 16,508,574 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.6

Radius: 12.2

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.89 AU - 2.07 AU

Year: 1958 Days

Day: 5.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,509,247 km

• M1: 152,440 km (0.115 R)
• M2: 619,036 km (0.027 R)
• M3: 1,627,475 km (0.092 R)
• M4: 2,021,217 km (0.071 R)
• M5: 2,409,872 km (0.087 R)
• M6: 3,033,994 km (0.1 R)
• M7: 3,608,899 km (0.11 R)
• M8: 4,464,150 km (0.068 R)
• M9: 5,973,293 km (0.088 R)
• M10: 7,391,930 km (0.096 R)
• M11: 9,024,192 km (0.051 R)
• M12: 9,818,707 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 8.6

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.31 AU - 5.35 AU

Year: 7462 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 20,509,247 km

• M1: 106,962 km (0.073 R)
• M2: 677,080 km (0.117 R)
• M3: 959,222 km (0.069 R)
• M4: 1,228,797 km (0.068 R)
• M5: 1,688,212 km (0.114 R)
• M6: 2,121,597 km (0.069 R)
• M7: 2,666,881 km (0.114 R)
• M8: 5,787,642 km (0.091 R)
• M9: 6,812,837 km (0.109 R)
• M10: 7,154,369 km (0.109 R)
• M11: 8,812,960 km (0.111 R)
• M12: 9,875,105 km (0.118 R)
• M13: 10,412,311 km (0.089 R)
• M14: 12,141,064 km (0.078 R)
• M15: 12,757,557 km (0.066 R)
• M16: 13,572,267 km (0.105 R)
• M17: 15,112,676 km (0.109 R)
• M18: 17,743,355 km (0.091 R)
• M19: 18,684,026 km (0.065 R)
• M20: 19,054,580 km (0.092 R)
• M21: 20,507,624 km (0.078 R)
• M22: 20,901,964 km (0.106 R)
• M23: 21,543,290 km (0.077 R)
• M24: 22,949,959 km (0.078 R)
• M25: 23,718,892 km (0.095 R)
• M26: 24,416,766 km (0.101 R)
• M27: 25,218,162 km (0.107 R)
• M28: 27,727,367 km (0.074 R)
• M29: 30,500,762 km (0.04 R)
• M30: 31,325,794 km (0.106 R)
• M31: 32,805,467 km (0.104 R)
• M32: 34,331,215 km (0.029 R)
• M33: 34,999,319 km (0.057 R)
• M34: 36,939,454 km (0.1 R)
• M35: 37,289,214 km (0.054 R)
• M36: 41,032,901 km (0.08 R)
• M37: 41,533,455 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.9

Radius: 9.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.11 AU - 6.09 AU

Year: 8096 Days

Day: 11.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 20,509,247 km

• M1: 123,418 km (0.073 R)
• M2: 506,838 km (0.12 R)
• M3: 890,556 km (0.075 R)
• M4: 1,447,060 km (0.099 R)
• M5: 1,853,218 km (0.06 R)
• M6: 2,334,924 km (0.118 R)
• M7: 2,861,059 km (0.11 R)
• M8: 3,751,316 km (0.117 R)
• M9: 4,683,161 km (0.118 R)
• M10: 5,007,490 km (0.062 R)
• M11: 5,762,061 km (0.103 R)
• M12: 6,263,064 km (0.085 R)
• M13: 6,929,822 km (0.067 R)
• M14: 7,754,406 km (0.114 R)
• M15: 9,598,199 km (0.078 R)
• M16: 12,677,223 km (0.103 R)
• M17: 15,513,150 km (0.075 R)
• M18: 16,298,538 km (0.028 R)
• M19: 16,920,716 km (0.114 R)
• M20: 17,237,564 km (0.117 R)
• M21: 18,679,538 km (0.103 R)
• M22: 20,917,971 km (0.12 R)
• M23: 26,173,195 km (0.083 R)
• M24: 27,809,795 km (0.102 R)
• M25: 31,763,817 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256

Radius: 3.1

Gravity: 26.64 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.93 AU - 6.63 AU

Year: 11062 Days

Day: 20.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,509,247 km

• M1: 39,643 km (0.086 R)
• M2: 295,605 km (0.097 R)
• M3: 601,234 km (0.099 R)
• M4: 1,024,745 km (0.085 R)
• M5: 2,364,394 km (0.111 R)
• M6: 3,033,546 km (0.099 R)
• M7: 3,181,199 km (0.088 R)
• M8: 3,467,978 km (0.064 R)
• M9: 3,771,811 km (0.086 R)
• M10: 5,166,213 km (0.106 R)
• M11: 5,407,514 km (0.058 R)
• M12: 5,687,861 km (0.118 R)
• M13: 7,088,695 km (0.083 R)
• M14: 9,088,669 km (0.087 R)
• M15: 9,800,456 km (0.071 R)
• M16: 13,466,950 km (0.085 R)
• M17: 14,806,898 km (0.114 R)
• M18: 16,233,164 km (0.09 R)
• M19: 19,936,160 km (0.107 R)
• M20: 21,362,277 km (0.061 R)
• M21: 23,259,028 km (0.065 R)
• M22: 24,499,793 km (0.091 R)
• M23: 27,474,098 km (0.083 R)
• M24: 31,668,523 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.7

Radius: 5.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.06 AU - 10.02 AU

Year: 19106 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,509,247 km

• M1: 89,460 km (0.032 R)
• M2: 4,462,504 km (0.036 R)
• M3: 6,162,235 km (0.098 R)
• M4: 6,411,765 km (0.062 R)
• M5: 7,385,198 km (0.081 R)
• M6: 8,692,534 km (0.12 R)
• M7: 19,307,251 km (0.12 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 11,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit