🌌 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: 72.1

Radius: 12.1

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.55 AU - 0.83 AU

Year: 396 Days

Day: 5.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,505,868 km

• M1: 150,495 km (0.087 R)
• M2: 583,132 km (0.114 R)
• M3: 1,011,132 km (0.119 R)
• M4: 1,476,681 km (0.038 R)
• M5: 2,397,455 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.8

Radius: 11.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.63 AU - 0.91 AU

Year: 466 Days

Day: 12.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,505,868 km

• M1: 143,315 km (0.117 R)
• M2: 525,837 km (0.096 R)
• M3: 929,152 km (0.084 R)
• M4: 1,403,976 km (0.089 R)
• M5: 1,996,084 km (0.11 R)
• M6: 2,590,886 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.4

Radius: 14.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.63 AU - 1.89 AU

Year: 1612 Days

Day: 14.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 170.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,505,868 km

• M1: 179,218 km (0.036 R)
• M2: 969,993 km (0.092 R)
• M3: 1,632,861 km (0.047 R)
• M4: 2,376,811 km (0.085 R)
• M5: 3,397,966 km (0.1 R)
• M6: 4,316,647 km (0.113 R)
• M7: 7,129,236 km (0.093 R)
• M8: 8,411,439 km (0.094 R)
• M9: 9,298,854 km (0.107 R)
• M10: 10,697,145 km (0.051 R)
• M11: 11,532,500 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.1

Radius: 10.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.93 AU - 5.05 AU

Year: 6567 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,505,868 km

• M1: 125,662 km (0.093 R)
• M2: 474,973 km (0.106 R)
• M3: 1,086,380 km (0.034 R)
• M4: 1,734,438 km (0.096 R)
• M5: 2,281,517 km (0.067 R)
• M6: 2,732,256 km (0.106 R)
• M7: 3,497,748 km (0.069 R)
• M8: 3,931,133 km (0.092 R)
• M9: 5,017,513 km (0.09 R)
• M10: 5,784,052 km (0.085 R)
• M11: 7,006,865 km (0.119 R)
• M12: 7,365,302 km (0.051 R)
• M13: 10,549,343 km (0.11 R)
• M14: 12,108,152 km (0.12 R)
• M15: 12,625,312 km (0.112 R)
• M16: 15,255,841 km (0.066 R)
• M17: 16,541,485 km (0.118 R)
• M18: 17,437,876 km (0.071 R)
• M19: 20,684,748 km (0.111 R)
• M20: 21,499,159 km (0.115 R)
• M21: 26,322,045 km (0.108 R)
• M22: 26,667,167 km (0.096 R)
• M23: 31,335,668 km (0.113 R)
• M24: 32,016,188 km (0.117 R)
• M25: 34,117,141 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 10.7

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.47 AU - 5.47 AU

Year: 7648 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,505,868 km

• M1: 133,142 km (0.1 R)
• M2: 694,134 km (0.105 R)
• M3: 1,071,570 km (0.108 R)
• M4: 1,434,494 km (0.104 R)
• M5: 2,194,900 km (0.074 R)
• M6: 2,985,226 km (0.101 R)
• M7: 4,020,892 km (0.117 R)
• M8: 4,477,913 km (0.086 R)
• M9: 5,523,752 km (0.109 R)
• M10: 8,344,420 km (0.118 R)
• M11: 11,150,277 km (0.049 R)
• M12: 15,336,624 km (0.064 R)
• M13: 18,419,387 km (0.115 R)
• M14: 20,667,843 km (0.104 R)
• M15: 21,138,628 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.5

Radius: 4.6

Gravity: 44.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.77 AU - 11.21 AU

Year: 18606 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 80,505,868 km

• M1: 57,745 km (0.108 R)
• M2: 206,894 km (0.116 R)
• M3: 635,492 km (0.076 R)
• M4: 1,101,190 km (0.114 R)
• M5: 1,391,111 km (0.087 R)
• M6: 1,694,046 km (0.091 R)
• M7: 2,870,185 km (0.093 R)
• M8: 3,247,171 km (0.111 R)
• M9: 3,536,045 km (0.116 R)
• M10: 4,402,217 km (0.076 R)
• M11: 6,017,425 km (0.091 R)
• M12: 6,817,175 km (0.103 R)
• M13: 7,146,440 km (0.062 R)
• M14: 7,486,326 km (0.08 R)
• M15: 8,409,644 km (0.102 R)
• M16: 9,009,981 km (0.107 R)
• M17: 9,696,784 km (0.073 R)
• M18: 10,113,265 km (0.103 R)
• M19: 10,603,796 km (0.044 R)
• M20: 11,966,483 km (0.086 R)
• M21: 12,795,555 km (0.06 R)
• M22: 13,296,408 km (0.099 R)
• M23: 14,490,199 km (0.098 R)
• M24: 14,644,285 km (0.039 R)
• M25: 14,799,418 km (0.116 R)
• M26: 16,080,724 km (0.054 R)
• M27: 25,352,800 km (0.084 R)
• M28: 25,689,096 km (0.11 R)
• M29: 26,256,221 km (0.072 R)
• M30: 29,340,032 km (0.049 R)
• M31: 43,767,999 km (0.048 R)
• M32: 47,739,523 km (0.041 R)
• M33: 54,136,477 km (0.075 R)
• M34: 56,199,432 km (0.119 R)
• M35: 57,925,792 km (0.058 R)
• M36: 67,733,278 km (0.073 R)
• M37: 68,814,273 km (0.108 R)
• M38: 77,880,203 km (0.067 R)
• M39: 78,590,493 km (0.088 R)
• M40: 78,828,204 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 13,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit