🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.8

Radius: 11.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.43 AU - 0.61 AU

Year: 250 Days

Day: 14.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,590,957 km

• M1: 147,952 km (0.109 R)
• M2: 582,085 km (0.091 R)
• M3: 1,053,618 km (0.108 R)
• M4: 1,533,079 km (0.061 R)
• M5: 2,010,745 km (0.045 R)
• M6: 2,937,354 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.3

Radius: 8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.53 AU - 0.59 AU

Year: 279 Days

Day: 6.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 62,590,957 km

• M1: 130,599 km (0.081 R)
• M2: 499,507 km (0.117 R)
• M3: 899,532 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.7

Radius: 11.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.51 AU - 0.71 AU

Year: 318 Days

Day: 9.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,590,957 km

• M1: 148,551 km (0.103 R)
• M2: 520,152 km (0.06 R)
• M3: 1,060,200 km (0.093 R)
• M4: 1,644,380 km (0.088 R)
• M5: 2,059,514 km (0.1 R)
• M6: 2,435,902 km (0.109 R)
• M7: 3,198,851 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 9.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.85 AU - 4.61 AU

Year: 4804 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,590,957 km

• M1: 122,221 km (0.111 R)
• M2: 518,057 km (0.111 R)
• M3: 1,029,233 km (0.081 R)
• M4: 1,593,965 km (0.109 R)
• M5: 2,289,745 km (0.119 R)
• M6: 2,758,585 km (0.099 R)
• M7: 4,196,669 km (0.063 R)
• M8: 4,880,182 km (0.069 R)
• M9: 5,660,335 km (0.05 R)
• M10: 6,080,405 km (0.081 R)
• M11: 6,790,547 km (0.103 R)
• M12: 8,003,785 km (0.07 R)
• M13: 8,694,329 km (0.031 R)
• M14: 9,629,914 km (0.108 R)
• M15: 10,338,260 km (0.113 R)
• M16: 11,465,480 km (0.078 R)
• M17: 11,819,129 km (0.112 R)
• M18: 13,307,179 km (0.113 R)
• M19: 14,007,148 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.8

Radius: 5.3

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.49 AU - 7.39 AU

Year: 12192 Days

Day: 23.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,590,957 km

• M1: 65,973 km (0.086 R)
• M2: 290,220 km (0.12 R)
• M3: 511,026 km (0.114 R)
• M4: 826,977 km (0.08 R)
• M5: 1,077,853 km (0.116 R)
• M6: 1,486,554 km (0.112 R)
• M7: 1,803,253 km (0.105 R)
• M8: 2,053,829 km (0.09 R)
• M9: 2,552,888 km (0.097 R)
• M10: 3,296,539 km (0.118 R)
• M11: 3,672,478 km (0.102 R)
• M12: 4,430,790 km (0.081 R)
• M13: 5,288,434 km (0.063 R)
• M14: 5,834,616 km (0.07 R)
• M15: 7,290,503 km (0.069 R)
• M16: 7,812,599 km (0.112 R)
• M17: 9,398,187 km (0.094 R)
• M18: 9,926,268 km (0.103 R)
• M19: 12,393,286 km (0.071 R)
• M20: 12,867,362 km (0.108 R)
• M21: 14,133,708 km (0.028 R)
• M22: 14,593,123 km (0.094 R)
• M23: 16,217,008 km (0.066 R)
• M24: 16,783,984 km (0.106 R)
• M25: 18,024,299 km (0.117 R)
• M26: 19,394,616 km (0.101 R)
• M27: 33,143,408 km (0.08 R)
• M28: 33,953,331 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.9

Radius: 5.2

Gravity: 33.98 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.11 AU - 7.29 AU

Year: 12883 Days

Day: 17.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,590,957 km

• M1: 64,626 km (0.079 R)
• M2: 251,324 km (0.05 R)
• M3: 417,228 km (0.098 R)
• M4: 984,204 km (0.092 R)
• M5: 1,379,292 km (0.112 R)
• M6: 1,637,498 km (0.11 R)
• M7: 2,311,736 km (0.111 R)
• M8: 2,957,700 km (0.077 R)
• M9: 3,632,835 km (0.085 R)
• M10: 4,898,433 km (0.066 R)
• M11: 5,318,653 km (0.105 R)
• M12: 6,850,685 km (0.111 R)
• M13: 7,242,183 km (0.108 R)
• M14: 8,358,781 km (0.074 R)
• M15: 9,532,376 km (0.105 R)
• M16: 12,518,499 km (0.093 R)
• M17: 12,906,257 km (0.098 R)
• M18: 13,570,322 km (0.11 R)
• M19: 15,111,180 km (0.101 R)
• M20: 15,624,899 km (0.089 R)
• M21: 19,986,276 km (0.09 R)
• M22: 20,694,621 km (0.116 R)
• M23: 27,403,936 km (0.081 R)
• M24: 27,838,518 km (0.083 R)
• M25: 28,944,944 km (0.057 R)
• M26: 30,195,433 km (0.108 R)
• M27: 31,838,616 km (0.091 R)
• M28: 36,205,527 km (0.034 R)
• M29: 37,124,208 km (0.089 R)
• M30: 44,590,937 km (0.067 R)
• M31: 45,494,508 km (0.1 R)
• M32: 45,950,931 km (0.106 R)
• M33: 57,839,623 km (0.057 R)
• M34: 61,472,159 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 18,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit