🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477

Radius: 10

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.71 AU - 0.89 AU

Year: 485 Days

Day: 9.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,612,300 km

• M1: 124,316 km (0.109 R)
• M2: 449,841 km (0.111 R)
• M3: 866,321 km (0.113 R)
• M4: 1,461,122 km (0.104 R)
• M5: 2,020,618 km (0.112 R)
• M6: 2,337,467 km (0.119 R)
• M7: 3,008,264 km (0.073 R)
• M8: 3,727,231 km (0.044 R)
• M9: 4,359,432 km (0.054 R)
• M10: 5,603,188 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.3

Radius: 12.1

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.91 AU - 1.11 AU

Year: 688 Days

Day: 10.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,612,300 km

• M1: 150,495 km (0.026 R)
• M2: 540,198 km (0.069 R)
• M3: 1,013,077 km (0.118 R)
• M4: 1,403,378 km (0.072 R)
• M5: 2,283,163 km (0.066 R)
• M6: 3,152,027 km (0.072 R)
• M7: 3,626,252 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.9

Radius: 13.7

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.61 AU - 2.01 AU

Year: 1652 Days

Day: 6.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,612,300 km

• M1: 170,542 km (0.119 R)
• M2: 688,300 km (0.059 R)
• M3: 1,416,991 km (0.091 R)
• M4: 1,868,178 km (0.086 R)
• M5: 2,837,273 km (0.073 R)
• M6: 4,332,354 km (0.085 R)
• M7: 5,059,699 km (0.118 R)
• M8: 5,517,020 km (0.066 R)
• M9: 6,162,535 km (0.092 R)
• M10: 6,882,699 km (0.069 R)
• M11: 7,578,329 km (0.048 R)
• M12: 8,040,138 km (0.11 R)
• M13: 8,607,413 km (0.1 R)
• M14: 9,170,948 km (0.116 R)
• M15: 12,146,599 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.4

Radius: 12.1

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.47 AU - 2.25 AU

Year: 1721 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,612,300 km

• M1: 150,495 km (0.089 R)
• M2: 569,818 km (0.101 R)
• M3: 972,835 km (0.087 R)
• M4: 1,355,207 km (0.086 R)
• M5: 2,024,358 km (0.112 R)
• M6: 2,846,847 km (0.107 R)
• M7: 3,775,551 km (0.11 R)
• M8: 4,513,368 km (0.054 R)
• M9: 6,677,600 km (0.088 R)
• M10: 7,096,325 km (0.112 R)
• M11: 7,672,576 km (0.083 R)
• M12: 8,429,092 km (0.033 R)
• M13: 9,266,691 km (0.093 R)
• M14: 10,057,166 km (0.063 R)
• M15: 12,581,181 km (0.06 R)
• M16: 13,262,599 km (0.068 R)
• M17: 13,758,367 km (0.108 R)
• M18: 14,180,981 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 12.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.72 AU - 4.1 AU

Year: 4271 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,612,300 km

• M1: 151,692 km (0.083 R)
• M2: 617,839 km (0.104 R)
• M3: 1,450,501 km (0.113 R)
• M4: 2,513,843 km (0.088 R)
• M5: 3,385,250 km (0.098 R)
• M6: 3,925,448 km (0.117 R)
• M7: 4,909,802 km (0.058 R)
• M8: 5,290,977 km (0.11 R)
• M9: 5,930,209 km (0.097 R)
• M10: 7,259,087 km (0.108 R)
• M11: 7,791,955 km (0.081 R)
• M12: 8,312,705 km (0.114 R)
• M13: 9,056,505 km (0.116 R)
• M14: 10,949,667 km (0.066 R)
• M15: 13,197,524 km (0.12 R)
• M16: 13,831,221 km (0.116 R)
• M17: 14,374,710 km (0.106 R)
• M18: 16,269,965 km (0.086 R)
• M19: 16,875,837 km (0.053 R)
• M20: 17,433,986 km (0.056 R)
• M21: 19,722,385 km (0.109 R)
• M22: 22,130,761 km (0.061 R)
• M23: 25,047,471 km (0.027 R)
• M24: 26,266,245 km (0.058 R)
• M25: 29,441,459 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 14.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.33 AU - 3.83 AU

Year: 4594 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,612,300 km

• M1: 182,809 km (0.11 R)
• M2: 840,890 km (0.044 R)
• M3: 1,345,334 km (0.05 R)
• M4: 2,154,957 km (0.063 R)
• M5: 2,806,007 km (0.115 R)
• M6: 4,139,822 km (0.055 R)
• M7: 4,949,745 km (0.066 R)
• M8: 5,863,040 km (0.117 R)
• M9: 7,143,598 km (0.081 R)
• M10: 7,781,184 km (0.093 R)
• M11: 8,311,059 km (0.075 R)
• M12: 8,940,866 km (0.081 R)
• M13: 9,884,081 km (0.093 R)
• M14: 10,677,099 km (0.079 R)
• M15: 11,155,364 km (0.085 R)
• M16: 15,569,548 km (0.084 R)
• M17: 16,876,435 km (0.108 R)
• M18: 18,877,606 km (0.085 R)
• M19: 19,385,790 km (0.097 R)
• M20: 21,304,682 km (0.094 R)
• M21: 24,229,769 km (0.113 R)
• M22: 25,672,191 km (0.103 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 18,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit