🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.2

Radius: 10.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.2 AU - 1.24 AU

Year: 930 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,970,090 km

• M1: 134,488 km (0.045 R)
• M2: 483,650 km (0.066 R)
• M3: 978,370 km (0.067 R)
• M4: 1,662,032 km (0.094 R)
• M5: 2,242,023 km (0.06 R)
• M6: 3,001,232 km (0.1 R)
• M7: 3,750,867 km (0.044 R)
• M8: 4,719,962 km (0.112 R)
• M9: 5,326,432 km (0.03 R)
• M10: 5,964,617 km (0.117 R)
• M11: 6,590,235 km (0.045 R)
• M12: 7,060,272 km (0.115 R)
• M13: 7,644,601 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272

Radius: 12.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.68 AU - 1.72 AU

Year: 1530 Days

Day: 13.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,970,090 km

• M1: 155,133 km (0.109 R)
• M2: 1,011,132 km (0.104 R)
• M3: 2,141,045 km (0.119 R)
• M4: 2,968,620 km (0.084 R)
• M5: 3,812,203 km (0.117 R)
• M6: 4,307,521 km (0.066 R)
• M7: 5,065,683 km (0.1 R)
• M8: 6,036,124 km (0.083 R)
• M9: 6,711,708 km (0.056 R)
• M10: 7,731,667 km (0.043 R)
• M11: 8,214,120 km (0.092 R)
• M12: 8,689,692 km (0.118 R)
• M13: 9,295,862 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 13.5

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.81 AU - 3.55 AU

Year: 3914 Days

Day: 7.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,970,090 km

• M1: 167,998 km (0.096 R)
• M2: 661,073 km (0.08 R)
• M3: 1,082,041 km (0.118 R)
• M4: 1,535,323 km (0.034 R)
• M5: 2,385,488 km (0.109 R)
• M6: 2,830,691 km (0.099 R)
• M7: 3,367,448 km (0.075 R)
• M8: 4,493,621 km (0.079 R)
• M9: 5,449,102 km (0.11 R)
• M10: 6,015,480 km (0.107 R)
• M11: 7,116,371 km (0.101 R)
• M12: 8,961,361 km (0.066 R)
• M13: 9,387,416 km (0.085 R)
• M14: 11,107,193 km (0.063 R)
• M15: 11,808,658 km (0.117 R)
• M16: 13,576,306 km (0.113 R)
• M17: 14,282,707 km (0.119 R)
• M18: 16,234,511 km (0.093 R)
• M19: 20,416,968 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.9

Radius: 8.3

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.11 AU - 4.83 AU

Year: 6523 Days

Day: 6.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,970,090 km

• M1: 103,671 km (0.06 R)
• M2: 870,061 km (0.097 R)
• M3: 1,143,676 km (0.09 R)
• M4: 1,967,062 km (0.087 R)
• M5: 2,352,576 km (0.113 R)
• M6: 3,139,311 km (0.069 R)
• M7: 4,471,929 km (0.087 R)
• M8: 4,954,981 km (0.108 R)
• M9: 5,388,366 km (0.095 R)
• M10: 6,300,165 km (0.071 R)
• M11: 6,711,708 km (0.104 R)
• M12: 6,973,954 km (0.109 R)
• M13: 12,697,269 km (0.095 R)
• M14: 15,921,851 km (0.104 R)
• M15: 17,660,178 km (0.053 R)
• M16: 19,721,188 km (0.097 R)
• M17: 21,018,052 km (0.09 R)
• M18: 22,081,244 km (0.12 R)
• M19: 22,883,537 km (0.119 R)
• M20: 23,554,185 km (0.036 R)
• M21: 25,804,586 km (0.092 R)
• M22: 28,535,495 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.4

Radius: 7.7

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.82 AU - 10.88 AU

Year: 19735 Days

Day: 21.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,970,090 km

• M1: 95,892 km (0.028 R)
• M2: 555,906 km (0.045 R)
• M3: 914,941 km (0.081 R)
• M4: 1,470,547 km (0.112 R)
• M5: 4,181,410 km (0.102 R)
• M6: 4,930,895 km (0.025 R)
• M7: 5,452,543 km (0.056 R)
• M8: 7,863,911 km (0.118 R)
• M9: 10,663,935 km (0.048 R)
• M10: 12,186,542 km (0.097 R)
• M11: 13,208,744 km (0.112 R)
• M12: 16,132,485 km (0.114 R)
• M13: 17,363,526 km (0.086 R)
• M14: 18,392,460 km (0.068 R)
• M15: 25,110,302 km (0.096 R)
• M16: 25,871,456 km (0.071 R)
• M17: 26,202,516 km (0.104 R)
• M18: 37,495,510 km (0.111 R)
• M19: 51,302,047 km (0.12 R)
• M20: 51,650,011 km (0.087 R)
• M21: 56,873,819 km (0.091 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 13,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit