🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 8.6

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.64 AU - 1.04 AU

Year: 513 Days

Day: 7.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,975,049 km

• M1: 106,962 km (0.046 R)
• M2: 387,758 km (0.034 R)
• M3: 752,776 km (0.116 R)
• M4: 1,151,604 km (0.042 R)
• M5: 1,424,471 km (0.068 R)
• M6: 1,718,132 km (0.102 R)
• M7: 2,122,794 km (0.086 R)
• M8: 2,724,925 km (0.088 R)
• M9: 3,182,695 km (0.111 R)
• M10: 3,562,224 km (0.114 R)
• M11: 3,903,607 km (0.098 R)
• M12: 4,368,258 km (0.085 R)
• M13: 5,324,188 km (0.1 R)
• M14: 5,648,816 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.1

Radius: 10.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.96 AU - 0.98 AU

Year: 637 Days

Day: 10.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,975,049 km

• M1: 128,355 km (0.093 R)
• M2: 642,523 km (0.118 R)
• M3: 993,330 km (0.088 R)
• M4: 1,559,109 km (0.1 R)
• M5: 2,020,918 km (0.083 R)
• M6: 2,908,781 km (0.117 R)
• M7: 3,920,362 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 10.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.11 AU - 3.49 AU

Year: 3124 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,975,049 km

• M1: 141,370 km (0.086 R)
• M2: 493,972 km (0.063 R)
• M3: 1,639,443 km (0.092 R)
• M4: 2,137,305 km (0.068 R)
• M5: 2,654,016 km (0.105 R)
• M6: 3,666,644 km (0.07 R)
• M7: 5,445,512 km (0.083 R)
• M8: 6,244,664 km (0.064 R)
• M9: 7,465,682 km (0.066 R)
• M10: 9,427,209 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 8.5

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.64 AU - 5.28 AU

Year: 7366 Days

Day: 8.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,975,049 km

• M1: 105,915 km (0.106 R)
• M2: 377,735 km (0.113 R)
• M3: 680,670 km (0.114 R)
• M4: 1,058,405 km (0.114 R)
• M5: 2,229,607 km (0.111 R)
• M6: 4,180,512 km (0.038 R)
• M7: 6,691,363 km (0.081 R)
• M8: 9,922,528 km (0.085 R)
• M9: 11,370,336 km (0.078 R)
• M10: 13,650,357 km (0.107 R)
• M11: 15,889,687 km (0.073 R)
• M12: 23,887,040 km (0.118 R)
• M13: 25,022,039 km (0.111 R)
• M14: 25,378,531 km (0.099 R)
• M15: 26,930,908 km (0.042 R)
• M16: 32,704,039 km (0.119 R)
• M17: 34,321,043 km (0.093 R)
• M18: 36,445,033 km (0.116 R)
• M19: 41,448,035 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.4

Radius: 3.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.55 AU - 6.99 AU

Year: 9243 Days

Day: 15.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,975,049 km

• M1: 105,167 km (0.08 R)
• M2: 495,468 km (0.092 R)
• M3: 853,605 km (0.12 R)
• M4: 1,129,314 km (0.116 R)
• M5: 1,606,532 km (0.096 R)
• M6: 2,426,328 km (0.056 R)
• M7: 3,985,437 km (0.075 R)
• M8: 5,017,213 km (0.1 R)
• M9: 6,029,393 km (0.116 R)
• M10: 10,351,275 km (0.044 R)
• M11: 11,808,957 km (0.115 R)
• M12: 12,565,174 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.9

Radius: 4

Gravity: 16.99 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.36 AU - 7.18 AU

Year: 9243 Days

Day: 21.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,975,049 km

• M1: 49,816 km (0.088 R)
• M2: 178,919 km (0.079 R)
• M3: 350,059 km (0.109 R)
• M4: 565,031 km (0.082 R)
• M5: 736,321 km (0.098 R)
• M6: 941,868 km (0.093 R)
• M7: 1,112,859 km (0.109 R)
• M8: 1,249,142 km (0.035 R)
• M9: 1,699,432 km (0.075 R)
• M10: 1,881,044 km (0.09 R)
• M11: 4,962,461 km (0.083 R)
• M12: 7,222,735 km (0.093 R)
• M13: 7,440,549 km (0.06 R)
• M14: 7,927,191 km (0.063 R)
• M15: 8,839,888 km (0.113 R)
• M16: 10,042,804 km (0.084 R)
• M17: 11,061,416 km (0.115 R)
• M18: 12,506,980 km (0.103 R)
• M19: 12,820,986 km (0.076 R)
• M20: 13,794,569 km (0.114 R)
• M21: 14,758,428 km (0.077 R)
• M22: 15,050,294 km (0.105 R)
• M23: 18,451,701 km (0.09 R)
• M24: 22,562,052 km (0.092 R)
• M25: 26,464,462 km (0.043 R)

Asteroid Belt

Center: 7.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.7

Radius: 7.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.71 AU - 12.15 AU

Year: 20867 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,975,049 km

• M1: 348,264 km (0.052 R)
• M2: 862,881 km (0.109 R)
• M3: 1,926,821 km (0.025 R)
• M4: 3,037,435 km (0.118 R)
• M5: 21,232,575 km (0.117 R)
• M6: 29,371,298 km (0.103 R)
• M7: 30,469,047 km (0.061 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 14,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit