🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.6

Radius: 8.4

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.54 AU - 0.8 AU

Year: 372 Days

Day: 12.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,857,180 km

• M1: 104,419 km (0.053 R)
• M2: 479,312 km (0.108 R)
• M3: 841,039 km (0.119 R)
• M4: 1,162,974 km (0.108 R)
• M5: 1,519,316 km (0.118 R)
• M6: 1,964,070 km (0.097 R)
• M7: 2,235,441 km (0.067 R)
• M8: 3,148,437 km (0.088 R)
• M9: 3,462,293 km (0.05 R)
• M10: 3,848,405 km (0.037 R)
• M11: 4,618,834 km (0.088 R)
• M12: 5,571,174 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 11.1

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.78 AU - 1.3 AU

Year: 719 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,857,180 km

• M1: 138,079 km (0.079 R)
• M2: 543,489 km (0.113 R)
• M3: 1,040,603 km (0.108 R)
• M4: 1,471,295 km (0.092 R)
• M5: 2,535,534 km (0.087 R)
• M6: 3,306,711 km (0.114 R)
• M7: 3,940,408 km (0.107 R)
• M8: 4,764,393 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.9

Radius: 8.1

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.61 AU - 3.09 AU

Year: 3263 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,857,180 km

• M1: 101,128 km (0.104 R)
• M2: 583,132 km (0.085 R)
• M3: 937,380 km (0.086 R)
• M4: 1,322,744 km (0.051 R)
• M5: 2,130,573 km (0.117 R)
• M6: 2,615,120 km (0.041 R)
• M7: 3,061,221 km (0.084 R)
• M8: 4,135,334 km (0.103 R)
• M9: 4,774,416 km (0.116 R)
• M10: 5,282,750 km (0.092 R)
• M11: 6,131,418 km (0.083 R)
• M12: 6,467,116 km (0.108 R)
• M13: 6,752,698 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.1

Radius: 9.3

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.76 AU - 3.7 AU

Year: 3937 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,857,180 km

• M1: 115,639 km (0.077 R)
• M2: 506,239 km (0.092 R)
• M3: 1,005,447 km (0.117 R)
• M4: 1,537,866 km (0.068 R)
• M5: 2,119,503 km (0.109 R)
• M6: 2,806,755 km (0.087 R)
• M7: 4,357,936 km (0.115 R)
• M8: 4,992,081 km (0.06 R)
• M9: 5,742,314 km (0.111 R)
• M10: 7,006,416 km (0.06 R)
• M11: 7,772,507 km (0.115 R)
• M12: 8,122,716 km (0.089 R)
• M13: 9,159,429 km (0.1 R)
• M14: 9,471,191 km (0.113 R)
• M15: 9,911,607 km (0.065 R)
• M16: 10,491,747 km (0.119 R)
• M17: 11,182,291 km (0.079 R)
• M18: 11,948,831 km (0.092 R)
• M19: 13,139,331 km (0.072 R)
• M20: 13,890,461 km (0.112 R)
• M21: 16,373,038 km (0.063 R)
• M22: 17,420,373 km (0.038 R)
• M23: 18,265,451 km (0.107 R)
• M24: 20,167,738 km (0.088 R)
• M25: 20,497,152 km (0.102 R)
• M26: 22,762,363 km (0.075 R)
• M27: 23,119,603 km (0.103 R)
• M28: 24,436,513 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.4

Radius: 12.2

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.69 AU - 6.43 AU

Year: 8892 Days

Day: 6.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 35,857,180 km

• M1: 155,731 km (0.094 R)
• M2: 850,763 km (0.091 R)
• M3: 1,735,784 km (0.087 R)
• M4: 2,989,265 km (0.09 R)
• M5: 3,552,351 km (0.084 R)
• M6: 3,949,085 km (0.117 R)
• M7: 4,515,163 km (0.037 R)
• M8: 5,103,980 km (0.114 R)
• M9: 6,222,823 km (0.084 R)
• M10: 7,379,214 km (0.073 R)
• M11: 9,306,184 km (0.092 R)
• M12: 10,017,373 km (0.08 R)
• M13: 13,946,561 km (0.036 R)
• M14: 15,069,442 km (0.094 R)
• M15: 17,708,349 km (0.082 R)
• M16: 18,358,501 km (0.115 R)
• M17: 20,170,431 km (0.088 R)
• M18: 21,442,760 km (0.12 R)
• M19: 22,098,747 km (0.097 R)
• M20: 23,623,449 km (0.065 R)
• M21: 24,857,033 km (0.058 R)
• M22: 25,489,682 km (0.081 R)
• M23: 28,031,051 km (0.043 R)
• M24: 30,223,258 km (0.1 R)
• M25: 30,633,754 km (0.113 R)
• M26: 33,284,479 km (0.088 R)
• M27: 35,398,746 km (0.101 R)
• M28: 35,855,019 km (0.08 R)
• M29: 36,315,182 km (0.105 R)
• M30: 37,600,976 km (0.078 R)
• M31: 38,675,538 km (0.09 R)
• M32: 40,016,383 km (0.096 R)
• M33: 43,569,183 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.9

Radius: 5.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.88 AU - 10.06 AU

Year: 21352 Days

Day: 17.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 79.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,857,180 km

• M1: 71,059 km (0.117 R)
• M2: 297,401 km (0.099 R)
• M3: 495,019 km (0.109 R)
• M4: 791,074 km (0.119 R)
• M5: 1,027,438 km (0.094 R)
• M6: 3,979,303 km (0.095 R)
• M7: 6,155,653 km (0.115 R)
• M8: 7,878,273 km (0.084 R)
• M9: 8,849,761 km (0.077 R)
• M10: 9,061,891 km (0.117 R)
• M11: 20,459,154 km (0.089 R)
• M12: 30,079,943 km (0.08 R)
• M13: 30,559,853 km (0.062 R)
• M14: 34,375,048 km (0.12 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: 366 - 19,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit