🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.3

Radius: 8.5

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.5 AU - 0.62 AU

Year: 289 Days

Day: 6.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,346,223 km

• M1: 105,766 km (0.12 R)
• M2: 595,549 km (0.102 R)
• M3: 904,469 km (0.097 R)
• M4: 1,235,230 km (0.07 R)
• M5: 1,652,159 km (0.086 R)
• M6: 2,024,508 km (0.116 R)
• M7: 2,408,975 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.3

Radius: 11.3

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.02 AU - 1.04 AU

Year: 722 Days

Day: 9.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 54.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,346,223 km

• M1: 140,622 km (0.036 R)
• M2: 498,610 km (0.119 R)
• M3: 1,359,396 km (0.112 R)
• M4: 2,034,531 km (0.102 R)
• M5: 2,403,439 km (0.117 R)
• M6: 3,408,139 km (0.106 R)
• M7: 4,065,621 km (0.096 R)
• M8: 4,657,281 km (0.05 R)
• M9: 5,341,392 km (0.045 R)
• M10: 5,707,907 km (0.105 R)
• M11: 6,349,831 km (0.074 R)
• M12: 6,803,861 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.4

Radius: 10.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.14 AU - 3.5 AU

Year: 4176 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 142.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,346,223 km

• M1: 133,441 km (0.098 R)
• M2: 463,903 km (0.073 R)
• M3: 839,842 km (0.063 R)
• M4: 1,489,247 km (0.079 R)
• M5: 2,076,867 km (0.111 R)
• M6: 2,463,129 km (0.113 R)
• M7: 2,983,430 km (0.112 R)
• M8: 3,575,688 km (0.084 R)
• M9: 4,070,109 km (0.064 R)
• M10: 6,255,435 km (0.109 R)
• M11: 7,132,078 km (0.104 R)
• M12: 7,850,298 km (0.047 R)
• M13: 11,255,893 km (0.08 R)
• M14: 11,824,515 km (0.09 R)
• M15: 12,550,364 km (0.112 R)
• M16: 14,803,457 km (0.111 R)
• M17: 16,300,034 km (0.099 R)
• M18: 18,249,893 km (0.101 R)
• M19: 22,470,199 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.8

Radius: 12.8

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.91 AU - 4.69 AU

Year: 5113 Days

Day: 10.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,346,223 km

• M1: 177,124 km (0.076 R)
• M2: 685,607 km (0.068 R)
• M3: 1,247,945 km (0.119 R)
• M4: 1,759,271 km (0.103 R)
• M5: 2,409,872 km (0.108 R)
• M6: 2,924,190 km (0.081 R)
• M7: 3,545,320 km (0.113 R)
• M8: 4,176,623 km (0.106 R)
• M9: 5,976,285 km (0.088 R)
• M10: 6,634,217 km (0.047 R)
• M11: 7,946,190 km (0.106 R)
• M12: 8,368,654 km (0.044 R)
• M13: 9,829,478 km (0.036 R)
• M14: 10,967,469 km (0.096 R)
• M15: 12,151,835 km (0.095 R)
• M16: 13,293,267 km (0.05 R)
• M17: 14,283,305 km (0.119 R)
• M18: 15,694,761 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.4

Radius: 7.9

Gravity: 15.73 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.92 AU - 6.56 AU

Year: 9492 Days

Day: 21.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,346,223 km

• M1: 100,081 km (0.079 R)
• M2: 412,292 km (0.076 R)
• M3: 748,737 km (0.108 R)
• M4: 1,134,999 km (0.084 R)
• M5: 1,547,440 km (0.103 R)
• M6: 2,091,977 km (0.101 R)
• M7: 2,428,871 km (0.119 R)
• M8: 3,188,379 km (0.107 R)
• M9: 4,627,212 km (0.097 R)
• M10: 5,610,967 km (0.086 R)
• M11: 6,264,560 km (0.11 R)
• M12: 6,887,336 km (0.115 R)
• M13: 8,577,643 km (0.033 R)
• M14: 9,100,487 km (0.093 R)
• M15: 9,796,566 km (0.117 R)
• M16: 13,436,731 km (0.059 R)
• M17: 15,766,120 km (0.109 R)
• M18: 16,119,470 km (0.071 R)
• M19: 17,966,405 km (0.091 R)
• M20: 19,542,119 km (0.072 R)
• M21: 20,032,352 km (0.09 R)
• M22: 22,075,410 km (0.101 R)
• M23: 22,517,771 km (0.034 R)
• M24: 23,056,622 km (0.113 R)
• M25: 24,253,405 km (0.099 R)
• M26: 28,716,209 km (0.11 R)
• M27: 37,570,608 km (0.066 R)
• M28: 39,354,712 km (0.089 R)
• M29: 44,762,226 km (0.049 R)
• M30: 45,613,887 km (0.061 R)
• M31: 51,105,774 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.8

Radius: 3.2

Gravity: 29.67 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.39 AU - 8.33 AU

Year: 15211 Days

Day: 23.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,346,223 km

• M1: 42,935 km (0.111 R)
• M2: 148,401 km (0.074 R)
• M3: 303,085 km (0.044 R)
• M4: 635,193 km (0.028 R)
• M5: 1,267,393 km (0.044 R)
• M6: 1,437,486 km (0.039 R)
• M7: 2,128,778 km (0.076 R)
• M8: 3,695,965 km (0.053 R)
• M9: 4,126,807 km (0.111 R)
• M10: 6,485,516 km (0.095 R)
• M11: 7,731,218 km (0.039 R)
• M12: 8,985,746 km (0.056 R)
• M13: 12,762,494 km (0.059 R)
• M14: 13,183,911 km (0.106 R)
• M15: 14,896,358 km (0.056 R)
• M16: 16,966,493 km (0.084 R)
• M17: 19,299,023 km (0.117 R)
• M18: 20,664,552 km (0.109 R)
• M19: 29,289,169 km (0.105 R)
• M20: 29,497,110 km (0.103 R)
• M21: 30,980,223 km (0.074 R)
• M22: 31,413,010 km (0.105 R)
• M23: 43,991,498 km (0.04 R)
• M24: 44,401,097 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 17,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit