🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.4

Radius: 12.8

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.87 AU - 1.29 AU

Year: 789 Days

Day: 14.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,980,078 km

• M1: 159,322 km (0.039 R)
• M2: 580,889 km (0.12 R)
• M3: 1,037,611 km (0.106 R)
• M4: 1,549,984 km (0.115 R)
• M5: 1,970,952 km (0.113 R)
• M6: 2,618,262 km (0.091 R)
• M7: 3,474,859 km (0.118 R)
• M8: 4,000,696 km (0.098 R)
• M9: 4,989,538 km (0.085 R)
• M10: 5,463,464 km (0.119 R)
• M11: 5,925,871 km (0.043 R)
• M12: 7,472,862 km (0.065 R)
• M13: 8,249,575 km (0.105 R)
• M14: 8,832,857 km (0.092 R)
• M15: 9,788,488 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.6

Radius: 9.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.36 AU - 1.52 AU

Year: 1215 Days

Day: 9.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,980,078 km

• M1: 120,576 km (0.117 R)
• M2: 553,811 km (0.084 R)
• M3: 870,061 km (0.076 R)
• M4: 1,776,624 km (0.119 R)
• M5: 2,215,245 km (0.11 R)
• M6: 2,940,346 km (0.088 R)
• M7: 3,904,953 km (0.113 R)
• M8: 4,338,787 km (0.116 R)
• M9: 4,668,202 km (0.069 R)
• M10: 5,211,990 km (0.116 R)
• M11: 5,603,936 km (0.077 R)
• M12: 6,035,676 km (0.06 R)
• M13: 6,987,866 km (0.103 R)
• M14: 7,418,858 km (0.084 R)
• M15: 7,843,566 km (0.084 R)
• M16: 8,209,632 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.7

Radius: 13.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.48 AU - 2.88 AU

Year: 3084 Days

Day: 12.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,980,078 km

• M1: 164,258 km (0.101 R)
• M2: 601,533 km (0.106 R)
• M3: 1,932,206 km (0.103 R)
• M4: 2,346,443 km (0.104 R)
• M5: 2,790,299 km (0.113 R)
• M6: 3,482,190 km (0.107 R)
• M7: 4,245,288 km (0.056 R)
• M8: 5,522,405 km (0.103 R)
• M9: 6,371,074 km (0.104 R)
• M10: 6,955,104 km (0.105 R)
• M11: 7,913,877 km (0.047 R)
• M12: 8,789,922 km (0.047 R)
• M13: 9,765,450 km (0.058 R)
• M14: 10,354,716 km (0.089 R)
• M15: 10,812,037 km (0.097 R)
• M16: 11,644,997 km (0.09 R)
• M17: 12,098,129 km (0.09 R)
• M18: 14,261,763 km (0.052 R)
• M19: 15,857,225 km (0.104 R)
• M20: 18,275,624 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.2

Radius: 8.7

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.53 AU - 3.49 AU

Year: 3671 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 19,980,078 km

• M1: 108,159 km (0.039 R)
• M2: 607,816 km (0.116 R)
• M3: 913,594 km (0.041 R)
• M4: 1,240,166 km (0.045 R)
• M5: 1,830,330 km (0.088 R)
• M6: 2,315,476 km (0.105 R)
• M7: 3,018,586 km (0.083 R)
• M8: 4,042,284 km (0.059 R)
• M9: 4,386,060 km (0.118 R)
• M10: 5,458,976 km (0.106 R)
• M11: 5,906,872 km (0.062 R)
• M12: 6,237,633 km (0.115 R)
• M13: 6,580,810 km (0.069 R)
• M14: 7,718,801 km (0.051 R)
• M15: 8,911,246 km (0.062 R)
• M16: 9,273,422 km (0.096 R)
• M17: 9,911,757 km (0.079 R)
• M18: 10,182,977 km (0.066 R)
• M19: 10,780,920 km (0.079 R)
• M20: 12,535,105 km (0.089 R)
• M21: 14,323,547 km (0.068 R)
• M22: 16,329,356 km (0.089 R)
• M23: 17,259,705 km (0.088 R)
• M24: 19,225,870 km (0.115 R)
• M25: 21,272,518 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.3

Radius: 11.3

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.5 AU - 3.54 AU

Year: 3689 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,980,078 km

• M1: 142,716 km (0.074 R)
• M2: 621,878 km (0.045 R)
• M3: 1,227,301 km (0.073 R)
• M4: 1,657,096 km (0.09 R)
• M5: 2,173,956 km (0.049 R)
• M6: 3,029,357 km (0.065 R)
• M7: 3,611,592 km (0.115 R)
• M8: 4,669,847 km (0.099 R)
• M9: 5,709,552 km (0.063 R)
• M10: 6,398,151 km (0.077 R)
• M11: 6,867,141 km (0.059 R)
• M12: 8,345,317 km (0.086 R)
• M13: 8,942,063 km (0.049 R)
• M14: 15,767,017 km (0.076 R)
• M15: 17,176,977 km (0.031 R)
• M16: 19,085,397 km (0.064 R)
• M17: 20,246,277 km (0.109 R)
• M18: 20,685,496 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 9.3

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.47 AU - 5.13 AU

Year: 6268 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 19,980,078 km

• M1: 116,387 km (0.099 R)
• M2: 543,938 km (0.077 R)
• M3: 1,606,681 km (0.082 R)
• M4: 1,917,246 km (0.1 R)
• M5: 3,207,229 km (0.096 R)
• M6: 3,801,132 km (0.086 R)
• M7: 4,799,100 km (0.089 R)
• M8: 5,118,192 km (0.078 R)
• M9: 5,639,541 km (0.034 R)
• M10: 7,925,695 km (0.101 R)
• M11: 8,837,195 km (0.116 R)
• M12: 9,318,451 km (0.045 R)
• M13: 10,966,571 km (0.074 R)
• M14: 11,471,165 km (0.114 R)
• M15: 13,761,508 km (0.084 R)
• M16: 14,528,197 km (0.114 R)
• M17: 15,890,136 km (0.078 R)
• M18: 16,211,173 km (0.108 R)
• M19: 18,794,579 km (0.083 R)
• M20: 20,184,044 km (0.12 R)
• M21: 20,712,723 km (0.109 R)
• M22: 21,719,217 km (0.085 R)
• M23: 22,757,875 km (0.103 R)
• M24: 23,166,128 km (0.119 R)
• M25: 25,630,753 km (0.107 R)
• M26: 27,062,853 km (0.084 R)
• M27: 31,678,546 km (0.106 R)
• M28: 33,959,465 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.9

Radius: 7.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.65 AU - 11.81 AU

Year: 21334 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,980,078 km

• M1: 91,703 km (0.073 R)
• M2: 1,106,426 km (0.102 R)
• M3: 1,373,308 km (0.082 R)
• M4: 6,180,486 km (0.091 R)
• M5: 6,767,658 km (0.113 R)
• M6: 7,000,881 km (0.044 R)
• M7: 7,483,484 km (0.088 R)
• M8: 8,348,010 km (0.12 R)
• M9: 10,543,808 km (0.072 R)
• M10: 10,897,457 km (0.105 R)
• M11: 15,277,234 km (0.109 R)
• M12: 19,624,249 km (0.105 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 17,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit