🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.7

Radius: 10.6

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.9 AU - 1.02 AU

Year: 607 Days

Day: 8.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,025,780 km

• M1: 131,796 km (0.027 R)
• M2: 490,531 km (0.031 R)
• M3: 2,042,909 km (0.083 R)
• M4: 2,537,479 km (0.116 R)
• M5: 3,197,804 km (0.078 R)
• M6: 4,086,565 km (0.078 R)
• M7: 4,678,075 km (0.047 R)
• M8: 5,379,390 km (0.103 R)
• M9: 6,633,319 km (0.074 R)
• M10: 7,746,327 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 13.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.81 AU - 1.13 AU

Year: 617 Days

Day: 7.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,025,780 km

• M1: 164,109 km (0.113 R)
• M2: 592,108 km (0.112 R)
• M3: 1,010,534 km (0.076 R)
• M4: 1,485,656 km (0.097 R)
• M5: 1,918,892 km (0.097 R)
• M6: 2,519,228 km (0.062 R)
• M7: 2,968,022 km (0.087 R)
• M8: 3,695,067 km (0.112 R)
• M9: 4,130,696 km (0.042 R)
• M10: 6,566,150 km (0.064 R)
• M11: 7,102,907 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945

Radius: 12.4

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.04 AU - 1.08 AU

Year: 705 Days

Day: 12.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,025,780 km

• M1: 154,235 km (0.046 R)
• M2: 600,187 km (0.035 R)
• M3: 1,101,190 km (0.025 R)
• M4: 1,509,293 km (0.103 R)
• M5: 2,048,743 km (0.098 R)
• M6: 2,456,397 km (0.049 R)
• M7: 3,578,680 km (0.091 R)
• M8: 4,020,892 km (0.101 R)
• M9: 4,532,965 km (0.076 R)
• M10: 5,289,631 km (0.084 R)
• M11: 5,786,894 km (0.116 R)
• M12: 6,787,405 km (0.096 R)
• M13: 7,283,023 km (0.086 R)
• M14: 8,969,739 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.1

Radius: 8.7

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.35 AU - 3.03 AU

Year: 2849 Days

Day: 8.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,025,780 km

• M1: 109,057 km (0.044 R)
• M2: 865,124 km (0.114 R)
• M3: 2,115,613 km (0.102 R)
• M4: 2,586,996 km (0.096 R)
• M5: 5,588,976 km (0.109 R)
• M6: 6,491,201 km (0.092 R)
• M7: 7,208,673 km (0.087 R)
• M8: 8,246,134 km (0.044 R)
• M9: 9,612,262 km (0.049 R)
• M10: 9,984,760 km (0.086 R)
• M11: 13,698,527 km (0.054 R)
• M12: 14,697,841 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.4

Radius: 8.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.6 AU - 4.58 AU

Year: 5341 Days

Day: 6 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,025,780 km

• M1: 103,223 km (0.113 R)
• M2: 515,365 km (0.032 R)
• M3: 891,753 km (0.059 R)
• M4: 1,184,965 km (0.101 R)
• M5: 1,521,261 km (0.1 R)
• M6: 1,933,702 km (0.11 R)
• M7: 2,847,595 km (0.12 R)
• M8: 4,419,420 km (0.118 R)
• M9: 4,986,845 km (0.12 R)
• M10: 5,790,634 km (0.101 R)
• M11: 7,297,085 km (0.116 R)
• M12: 8,055,397 km (0.107 R)
• M13: 10,280,665 km (0.093 R)
• M14: 10,605,442 km (0.109 R)
• M15: 11,796,390 km (0.115 R)
• M16: 14,042,004 km (0.113 R)
• M17: 19,980,890 km (0.098 R)
• M18: 22,872,766 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.1

Radius: 12

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.11 AU - 4.65 AU

Year: 5919 Days

Day: 5 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,025,780 km

• M1: 153,637 km (0.056 R)
• M2: 804,837 km (0.092 R)
• M3: 1,185,264 km (0.067 R)
• M4: 1,573,171 km (0.116 R)
• M5: 1,957,039 km (0.104 R)
• M6: 3,122,108 km (0.105 R)
• M7: 4,983,404 km (0.082 R)
• M8: 6,419,095 km (0.093 R)
• M9: 6,835,276 km (0.085 R)
• M10: 7,418,558 km (0.085 R)
• M11: 7,877,525 km (0.083 R)
• M12: 9,281,949 km (0.034 R)
• M13: 10,090,077 km (0.034 R)
• M14: 12,053,400 km (0.115 R)
• M15: 12,743,046 km (0.077 R)
• M16: 14,085,238 km (0.095 R)
• M17: 15,519,732 km (0.06 R)
• M18: 18,260,814 km (0.032 R)
• M19: 21,462,956 km (0.119 R)
• M20: 22,082,890 km (0.048 R)
• M21: 22,874,711 km (0.116 R)
• M22: 24,936,918 km (0.105 R)
• M23: 26,762,760 km (0.116 R)
• M24: 32,165,487 km (0.106 R)
• M25: 34,961,471 km (0.08 R)
• M26: 35,389,022 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.1

Radius: 7.9

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.47 AU - 7.65 AU

Year: 13421 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 116.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,025,780 km

• M1: 98,435 km (0.058 R)
• M2: 436,227 km (0.102 R)
• M3: 796,609 km (0.098 R)
• M4: 1,391,859 km (0.118 R)
• M5: 2,102,448 km (0.058 R)
• M6: 4,495,266 km (0.073 R)
• M7: 5,685,617 km (0.089 R)
• M8: 7,915,074 km (0.082 R)
• M9: 8,241,347 km (0.086 R)
• M10: 9,689,903 km (0.091 R)
• M11: 10,391,517 km (0.056 R)
• M12: 12,386,255 km (0.102 R)
• M13: 12,954,278 km (0.026 R)
• M14: 13,939,380 km (0.11 R)
• M15: 14,415,849 km (0.065 R)
• M16: 21,367,812 km (0.114 R)
• M17: 22,001,359 km (0.116 R)
• M18: 23,687,925 km (0.114 R)
• M19: 27,000,620 km (0.114 R)
• M20: 29,151,838 km (0.068 R)
• M21: 30,723,962 km (0.08 R)
• M22: 50,941,067 km (0.087 R)
• M23: 55,730,293 km (0.107 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: 443 - 18,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit