🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.1

Radius: 12.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 10.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,196,342 km

• M1: 156,629 km (0.084 R)
• M2: 609,163 km (0.079 R)
• M3: 1,081,293 km (0.071 R)
• M4: 1,486,105 km (0.113 R)
• M5: 1,893,909 km (0.12 R)
• M6: 2,399,400 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 8.1

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.87 AU - 1.14 AU

Year: 678 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,196,342 km

• M1: 100,679 km (0.097 R)
• M2: 444,605 km (0.084 R)
• M3: 786,735 km (0.093 R)
• M4: 1,074,412 km (0.071 R)
• M5: 1,524,851 km (0.112 R)
• M6: 1,799,064 km (0.107 R)
• M7: 2,196,097 km (0.09 R)
• M8: 2,559,470 km (0.087 R)
• M9: 3,325,860 km (0.115 R)
• M10: 3,806,667 km (0.103 R)
• M11: 5,212,887 km (0.1 R)
• M12: 6,145,032 km (0.065 R)
• M13: 6,500,476 km (0.074 R)
• M14: 6,913,965 km (0.05 R)
• M15: 7,817,536 km (0.052 R)
• M16: 8,487,884 km (0.073 R)
• M17: 8,797,851 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.2

Radius: 12.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.33 AU - 1.33 AU

Year: 1040 Days

Day: 7.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,196,342 km

• M1: 154,235 km (0.087 R)
• M2: 610,958 km (0.088 R)
• M3: 1,076,357 km (0.09 R)
• M4: 1,644,978 km (0.037 R)
• M5: 2,268,951 km (0.038 R)
• M6: 3,259,887 km (0.062 R)
• M7: 3,978,406 km (0.04 R)
• M8: 4,764,543 km (0.113 R)
• M9: 5,185,661 km (0.027 R)
• M10: 5,691,750 km (0.098 R)
• M11: 7,220,192 km (0.075 R)
• M12: 7,852,542 km (0.105 R)
• M13: 8,952,086 km (0.082 R)
• M14: 9,798,361 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 9.5

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.45 AU - 1.49 AU

Year: 1209 Days

Day: 13.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,196,342 km

• M1: 118,182 km (0.049 R)
• M2: 637,137 km (0.095 R)
• M3: 1,147,116 km (0.105 R)
• M4: 1,597,256 km (0.113 R)
• M5: 2,087,937 km (0.032 R)
• M6: 2,504,717 km (0.104 R)
• M7: 3,184,191 km (0.109 R)
• M8: 4,065,173 km (0.085 R)
• M9: 4,499,455 km (0.06 R)
• M10: 5,400,034 km (0.078 R)
• M11: 6,325,148 km (0.084 R)
• M12: 7,252,355 km (0.088 R)
• M13: 7,892,784 km (0.117 R)
• M14: 8,459,460 km (0.081 R)
• M15: 8,995,320 km (0.094 R)
• M16: 10,935,455 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.6

Radius: 11.1

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.07 AU - 2.33 AU

Year: 2213 Days

Day: 5.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,196,342 km

• M1: 138,228 km (0.071 R)
• M2: 590,612 km (0.058 R)
• M3: 978,370 km (0.079 R)
• M4: 1,414,747 km (0.088 R)
• M5: 1,797,418 km (0.11 R)
• M6: 2,597,468 km (0.106 R)
• M7: 3,211,118 km (0.048 R)
• M8: 4,646,510 km (0.117 R)
• M9: 5,714,938 km (0.06 R)
• M10: 6,220,130 km (0.063 R)
• M11: 6,860,409 km (0.09 R)
• M12: 8,302,532 km (0.098 R)
• M13: 9,435,736 km (0.119 R)
• M14: 10,074,070 km (0.118 R)
• M15: 10,957,595 km (0.06 R)
• M16: 11,474,456 km (0.1 R)
• M17: 12,085,114 km (0.111 R)
• M18: 12,597,038 km (0.106 R)
• M19: 13,961,820 km (0.111 R)
• M20: 14,835,471 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.1

Radius: 4.4

Gravity: 16.84 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.24 AU - 6.62 AU

Year: 9794 Days

Day: 17.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,196,342 km

• M1: 62,233 km (0.087 R)
• M2: 229,483 km (0.086 R)
• M3: 441,912 km (0.086 R)
• M4: 732,880 km (0.118 R)
• M5: 1,403,527 km (0.054 R)
• M6: 1,760,019 km (0.09 R)
• M7: 2,670,023 km (0.079 R)
• M8: 3,930,385 km (0.1 R)
• M9: 4,285,680 km (0.072 R)
• M10: 6,120,198 km (0.108 R)
• M11: 6,702,433 km (0.063 R)
• M12: 6,880,455 km (0.053 R)
• M13: 7,663,001 km (0.062 R)
• M14: 8,135,880 km (0.088 R)
• M15: 8,461,854 km (0.107 R)
• M16: 9,314,711 km (0.083 R)
• M17: 11,041,071 km (0.034 R)
• M18: 13,869,069 km (0.119 R)
• M19: 15,111,629 km (0.109 R)
• M20: 19,787,759 km (0.097 R)
• M21: 21,205,498 km (0.079 R)
• M22: 22,689,808 km (0.116 R)
• M23: 23,744,324 km (0.111 R)
• M24: 25,257,805 km (0.091 R)
• M25: 28,848,902 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.1

Radius: 5.2

Gravity: 35.25 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.88 AU - 10.94 AU

Year: 21159 Days

Day: 22.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,196,342 km

• M1: 64,626 km (0.066 R)
• M2: 236,813 km (0.087 R)
• M3: 659,727 km (0.038 R)
• M4: 1,165,218 km (0.069 R)
• M5: 2,397,007 km (0.112 R)
• M6: 2,925,536 km (0.065 R)
• M7: 5,054,912 km (0.062 R)
• M8: 5,252,381 km (0.117 R)
• M9: 6,594,125 km (0.041 R)
• M10: 7,470,170 km (0.1 R)
• M11: 9,690,052 km (0.094 R)
• M12: 10,496,834 km (0.106 R)
• M13: 11,347,597 km (0.104 R)
• M14: 12,672,436 km (0.068 R)
• M15: 13,484,752 km (0.115 R)
• M16: 14,489,003 km (0.081 R)
• M17: 15,376,716 km (0.072 R)
• M18: 15,542,022 km (0.069 R)
• M19: 18,165,071 km (0.086 R)
• M20: 19,006,110 km (0.095 R)
• M21: 20,068,854 km (0.047 R)
• M22: 22,206,906 km (0.062 R)
• M23: 30,164,466 km (0.039 R)
• M24: 34,773,875 km (0.074 R)
• M25: 35,922,787 km (0.116 R)
• M26: 37,693,128 km (0.089 R)
• M27: 43,847,884 km (0.08 R)
• M28: 47,598,751 km (0.093 R)
• M29: 49,732,167 km (0.093 R)
• M30: 58,500,846 km (0.096 R)
• M31: 63,459,866 km (0.086 R)
• M32: 64,098,798 km (0.051 R)
• M33: 68,022,601 km (0.048 R)
• M34: 80,998,570 km (0.175 R)
• M35: 87,405,548 km (0.19 R)
• M36: 87,932,282 km (0.217 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: 416 - 15,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit