🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 8.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.73 AU - 0.81 AU

Year: 443 Days

Day: 9.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,394,363 km

• M1: 108,758 km (0.081 R)
• M2: 415,433 km (0.087 R)
• M3: 752,477 km (0.079 R)
• M4: 1,048,232 km (0.099 R)
• M5: 1,355,357 km (0.101 R)
• M6: 1,710,203 km (0.057 R)
• M7: 2,096,315 km (0.054 R)
• M8: 3,183,891 km (0.089 R)
• M9: 4,002,940 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.4

Radius: 8.2

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.76 AU - 1.02 AU

Year: 551 Days

Day: 5.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,394,363 km

• M1: 102,026 km (0.081 R)
• M2: 392,545 km (0.05 R)
• M3: 810,521 km (0.113 R)
• M4: 1,162,076 km (0.063 R)
• M5: 1,839,605 km (0.069 R)
• M6: 2,123,243 km (0.091 R)
• M7: 2,498,284 km (0.059 R)
• M8: 2,963,833 km (0.048 R)
• M9: 3,538,738 km (0.119 R)
• M10: 4,141,467 km (0.1 R)
• M11: 6,747,313 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.5

Radius: 13

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.19 AU - 2.19 AU

Year: 2126 Days

Day: 5.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,394,363 km

• M1: 161,715 km (0.078 R)
• M2: 603,777 km (0.073 R)
• M3: 1,684,322 km (0.113 R)
• M4: 2,094,669 km (0.094 R)
• M5: 2,967,423 km (0.067 R)
• M6: 5,475,282 km (0.113 R)
• M7: 5,984,364 km (0.085 R)
• M8: 7,914,775 km (0.066 R)
• M9: 10,375,360 km (0.114 R)
• M10: 12,425,300 km (0.103 R)
• M11: 12,840,584 km (0.03 R)
• M12: 15,963,589 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703

Radius: 3.8

Gravity: 48.68 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.91 AU - 10.35 AU

Year: 18097 Days

Day: 21.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,394,363 km

• M1: 48,320 km (0.091 R)
• M2: 190,737 km (0.115 R)
• M3: 458,817 km (0.041 R)
• M4: 647,460 km (0.094 R)
• M5: 770,429 km (0.119 R)
• M6: 1,076,805 km (0.076 R)
• M7: 1,195,586 km (0.045 R)
• M8: 1,367,474 km (0.064 R)
• M9: 1,507,199 km (0.097 R)
• M10: 1,908,121 km (0.096 R)
• M11: 6,076,516 km (0.111 R)
• M12: 6,201,281 km (0.068 R)
• M13: 6,585,897 km (0.059 R)
• M14: 7,169,029 km (0.117 R)
• M15: 9,070,418 km (0.069 R)
• M16: 12,851,953 km (0.049 R)
• M17: 16,254,108 km (0.077 R)
• M18: 17,481,409 km (0.111 R)
• M19: 19,571,291 km (0.097 R)
• M20: 20,958,811 km (0.085 R)
• M21: 22,213,189 km (0.051 R)
• M22: 24,658,815 km (0.071 R)
• M23: 27,732,004 km (0.039 R)
• M24: 32,171,321 km (0.065 R)
• M25: 32,297,432 km (0.075 R)
• M26: 33,189,784 km (0.074 R)
• M27: 36,373,525 km (0.102 R)
• M28: 42,273,067 km (0.116 R)
• M29: 42,576,152 km (0.094 R)
• M30: 47,134,699 km (0.106 R)
• M31: 47,297,461 km (0.116 R)
• M32: 55,557,657 km (0.097 R)
• M33: 61,761,780 km (0.104 R)
• M34: 64,327,533 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.2

Radius: 5.9

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.62 AU - 12.76 AU

Year: 22929 Days

Day: 22.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,394,363 km

• M1: 77,492 km (0.07 R)
• M2: 308,471 km (0.108 R)
• M3: 537,655 km (0.042 R)
• M4: 732,132 km (0.077 R)
• M5: 942,915 km (0.037 R)
• M6: 1,432,848 km (0.066 R)
• M7: 1,719,029 km (0.096 R)
• M8: 2,115,763 km (0.074 R)
• M9: 2,446,972 km (0.046 R)
• M10: 5,484,258 km (0.098 R)
• M11: 5,699,679 km (0.08 R)
• M12: 6,699,441 km (0.088 R)
• M13: 7,326,855 km (0.067 R)
• M14: 13,955,985 km (0.083 R)
• M15: 15,900,159 km (0.119 R)
• M16: 18,096,854 km (0.087 R)
• M17: 25,585,873 km (0.119 R)
• M18: 27,841,809 km (0.113 R)
• M19: 30,450,347 km (0.11 R)
• M20: 31,583,701 km (0.116 R)
• M21: 34,661,527 km (0.119 R)
• M22: 47,754,183 km (0.067 R)
• M23: 48,667,179 km (0.087 R)
• M24: 52,435,849 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 18,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit