🌌 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: 811.1

Radius: 11.8

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.5 AU - 0.54 AU

Year: 254 Days

Day: 11.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,875,531 km

• M1: 146,756 km (0.105 R)
• M2: 543,339 km (0.101 R)
• M3: 986,748 km (0.059 R)
• M4: 1,370,915 km (0.106 R)
• M5: 1,748,799 km (0.1 R)
• M6: 2,127,431 km (0.07 R)
• M7: 2,918,804 km (0.069 R)
• M8: 3,644,952 km (0.086 R)
• M9: 4,063,527 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.2

Radius: 13.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.58 AU - 0.76 AU

Year: 372 Days

Day: 9 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,875,531 km

• M1: 172,935 km (0.1 R)
• M2: 625,170 km (0.036 R)
• M3: 1,278,613 km (0.066 R)
• M4: 2,207,915 km (0.108 R)
• M5: 2,863,902 km (0.083 R)
• M6: 3,465,435 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.1

Radius: 10.4

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.67 AU - 1.07 AU

Year: 550 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,875,531 km

• M1: 129,402 km (0.113 R)
• M2: 457,769 km (0.092 R)
• M3: 877,990 km (0.115 R)
• M4: 1,366,277 km (0.098 R)
• M5: 1,751,492 km (0.082 R)
• M6: 2,331,034 km (0.093 R)
• M7: 2,789,103 km (0.111 R)
• M8: 3,174,467 km (0.084 R)
• M9: 3,726,034 km (0.118 R)
• M10: 4,399,823 km (0.096 R)
• M11: 4,989,089 km (0.061 R)
• M12: 5,560,254 km (0.085 R)
• M13: 5,898,195 km (0.055 R)
• M14: 6,459,636 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.6

Radius: 14.7

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.9 AU - 0.94 AU

Year: 599 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,875,531 km

• M1: 188,045 km (0.104 R)
• M2: 983,307 km (0.11 R)
• M3: 1,465,162 km (0.071 R)
• M4: 1,931,757 km (0.083 R)
• M5: 2,545,258 km (0.07 R)
• M6: 3,331,694 km (0.105 R)
• M7: 3,795,148 km (0.053 R)
• M8: 4,544,783 km (0.103 R)
• M9: 5,014,371 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.8

Radius: 10.8

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.22 AU - 1.58 AU

Year: 1124 Days

Day: 10.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,875,531 km

• M1: 134,488 km (0.039 R)
• M2: 508,034 km (0.103 R)
• M3: 956,379 km (0.112 R)
• M4: 1,790,387 km (0.105 R)
• M5: 2,223,174 km (0.086 R)
• M6: 3,314,191 km (0.068 R)
• M7: 3,665,297 km (0.105 R)
• M8: 5,759,069 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 12.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.71 AU - 2.17 AU

Year: 1833 Days

Day: 14.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,875,531 km

• M1: 159,172 km (0.115 R)
• M2: 618,138 km (0.11 R)
• M3: 1,194,389 km (0.109 R)
• M4: 1,717,683 km (0.059 R)
• M5: 2,650,874 km (0.112 R)
• M6: 3,195,710 km (0.108 R)
• M7: 3,831,201 km (0.091 R)
• M8: 5,356,352 km (0.111 R)
• M9: 6,027,747 km (0.109 R)
• M10: 6,827,946 km (0.11 R)
• M11: 7,460,745 km (0.068 R)
• M12: 8,243,441 km (0.104 R)
• M13: 9,109,912 km (0.064 R)
• M14: 9,565,437 km (0.056 R)
• M15: 10,391,218 km (0.114 R)
• M16: 11,682,995 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.9

Radius: 12.5

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.34 AU - 3.4 AU

Year: 3298 Days

Day: 10.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 81.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,875,531 km

• M1: 155,432 km (0.1 R)
• M2: 744,549 km (0.102 R)
• M3: 1,544,598 km (0.113 R)
• M4: 2,214,647 km (0.073 R)
• M5: 2,791,795 km (0.099 R)
• M6: 3,256,147 km (0.069 R)
• M7: 4,071,904 km (0.104 R)
• M8: 5,070,620 km (0.106 R)
• M9: 6,617,312 km (0.082 R)
• M10: 7,685,142 km (0.049 R)
• M11: 8,100,725 km (0.109 R)
• M12: 8,789,772 km (0.116 R)
• M13: 9,206,253 km (0.101 R)
• M14: 13,622,681 km (0.116 R)
• M15: 17,742,756 km (0.116 R)
• M16: 19,093,475 km (0.119 R)
• M17: 19,665,388 km (0.067 R)
• M18: 22,137,643 km (0.104 R)
• M19: 23,412,366 km (0.118 R)
• M20: 24,885,456 km (0.105 R)
• M21: 25,339,187 km (0.089 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 14,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit