🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.2

Radius: 10.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.76 AU - 1.04 AU

Year: 543 Days

Day: 12 Hours

Environment

Temp: -146 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,659,369 km

• M1: 135,984 km (0.077 R)
• M2: 643,271 km (0.062 R)
• M3: 1,228,348 km (0.108 R)
• M4: 1,684,173 km (0.117 R)
• M5: 2,085,394 km (0.094 R)
• M6: 2,550,344 km (0.075 R)
• M7: 2,952,613 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 9.3

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.14 AU - 1.5 AU

Year: 964 Days

Day: 14 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,659,369 km

• M1: 115,639 km (0.065 R)
• M2: 409,898 km (0.107 R)
• M3: 754,422 km (0.105 R)
• M4: 2,601,058 km (0.08 R)
• M5: 3,656,322 km (0.094 R)
• M6: 4,993,577 km (0.103 R)
• M7: 5,524,949 km (0.093 R)
• M8: 5,836,112 km (0.038 R)
• M9: 7,030,950 km (0.079 R)
• M10: 7,572,195 km (0.119 R)
• M11: 9,018,657 km (0.108 R)
• M12: 10,110,572 km (0.119 R)
• M13: 10,609,182 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.9

Radius: 13.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.25 AU - 1.95 AU

Year: 1287 Days

Day: 10.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,659,369 km

• M1: 172,486 km (0.078 R)
• M2: 734,825 km (0.078 R)
• M3: 1,355,357 km (0.114 R)
• M4: 1,906,625 km (0.114 R)
• M5: 2,463,578 km (0.083 R)
• M6: 3,095,180 km (0.067 R)
• M7: 4,700,664 km (0.082 R)
• M8: 5,899,990 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.1

Radius: 8.6

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.76 AU - 1.9 AU

Year: 1574 Days

Day: 5.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,659,369 km

• M1: 107,112 km (0.107 R)
• M2: 469,289 km (0.074 R)
• M3: 934,837 km (0.114 R)
• M4: 1,390,063 km (0.115 R)
• M5: 1,726,210 km (0.087 R)
• M6: 2,083,749 km (0.092 R)
• M7: 2,772,647 km (0.108 R)
• M8: 3,341,119 km (0.071 R)
• M9: 3,653,330 km (0.062 R)
• M10: 4,019,396 km (0.062 R)
• M11: 4,483,299 km (0.114 R)
• M12: 5,042,645 km (0.115 R)
• M13: 5,412,750 km (0.035 R)
• M14: 6,465,022 km (0.119 R)
• M15: 6,977,095 km (0.091 R)
• M16: 8,221,001 km (0.065 R)
• M17: 9,637,693 km (0.109 R)
• M18: 9,952,148 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 10

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.84 AU - 5.94 AU

Year: 6875 Days

Day: 9.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,659,369 km

• M1: 124,316 km (0.118 R)
• M2: 650,900 km (0.088 R)
• M3: 1,023,549 km (0.12 R)
• M4: 1,468,154 km (0.041 R)
• M5: 2,287,800 km (0.077 R)
• M6: 2,644,890 km (0.085 R)
• M7: 3,946,990 km (0.116 R)
• M8: 5,455,984 km (0.113 R)
• M9: 7,498,743 km (0.114 R)
• M10: 8,215,616 km (0.094 R)
• M11: 8,570,761 km (0.085 R)
• M12: 14,513,237 km (0.106 R)
• M13: 18,620,297 km (0.101 R)
• M14: 21,084,922 km (0.072 R)
• M15: 22,053,269 km (0.112 R)
• M16: 28,585,909 km (0.058 R)
• M17: 29,129,249 km (0.08 R)
• M18: 29,587,168 km (0.118 R)
• M19: 30,989,947 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 13

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.9 AU - 5 AU

Year: 7002 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,659,369 km

• M1: 161,715 km (0.076 R)
• M2: 794,963 km (0.057 R)
• M3: 1,319,154 km (0.071 R)
• M4: 1,932,655 km (0.079 R)
• M5: 2,360,056 km (0.09 R)
• M6: 3,187,033 km (0.087 R)
• M7: 3,692,823 km (0.096 R)
• M8: 4,926,258 km (0.107 R)
• M9: 5,868,276 km (0.09 R)
• M10: 6,742,077 km (0.039 R)
• M11: 9,421,375 km (0.113 R)
• M12: 10,080,353 km (0.107 R)
• M13: 10,520,021 km (0.096 R)
• M14: 12,687,844 km (0.077 R)
• M15: 13,200,965 km (0.09 R)
• M16: 14,268,944 km (0.05 R)
• M17: 14,761,719 km (0.081 R)
• M18: 15,202,136 km (0.111 R)
• M19: 16,509,322 km (0.088 R)
• M20: 17,259,555 km (0.071 R)
• M21: 18,828,089 km (0.099 R)
• M22: 19,722,684 km (0.112 R)
• M23: 20,567,613 km (0.11 R)
• M24: 22,165,169 km (0.084 R)
• M25: 31,103,791 km (0.082 R)
• M26: 37,224,887 km (0.108 R)
• M27: 39,111,167 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.5

Radius: 14.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.27 AU - 6.41 AU

Year: 8973 Days

Day: 6.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,659,369 km

• M1: 176,675 km (0.094 R)
• M2: 1,587,533 km (0.091 R)
• M3: 2,470,908 km (0.085 R)
• M4: 7,500,688 km (0.1 R)
• M5: 8,696,274 km (0.072 R)
• M6: 9,920,284 km (0.09 R)
• M7: 11,000,231 km (0.115 R)
• M8: 14,836,369 km (0.077 R)
• M9: 19,114,868 km (0.108 R)
• M10: 21,978,171 km (0.11 R)
• M11: 23,639,605 km (0.109 R)
• M12: 26,195,485 km (0.12 R)
• M13: 27,024,855 km (0.111 R)
• M14: 28,062,167 km (0.106 R)
• M15: 29,618,284 km (0.092 R)
• M16: 31,333,872 km (0.036 R)
• M17: 32,795,743 km (0.049 R)
• M18: 35,073,221 km (0.09 R)
• M19: 38,507,090 km (0.1 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 11,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit