🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.5

Radius: 10.1

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.45 AU - 0.67 AU

Year: 284 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,378,117 km

• M1: 125,662 km (0.114 R)
• M2: 536,608 km (0.062 R)
• M3: 904,020 km (0.092 R)
• M4: 1,472,641 km (0.073 R)
• M5: 2,135,510 km (0.117 R)
• M6: 2,489,009 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.3

Radius: 12.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.49 AU - 0.81 AU

Year: 355 Days

Day: 8.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,378,117 km

• M1: 157,975 km (0.05 R)
• M2: 655,987 km (0.064 R)
• M3: 1,118,693 km (0.082 R)
• M4: 1,670,709 km (0.104 R)
• M5: 2,129,675 km (0.118 R)
• M6: 2,615,420 km (0.047 R)
• M7: 3,055,387 km (0.081 R)
• M8: 3,454,664 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.9

Radius: 8

Gravity: 14.55 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.95 AU - 1.49 AU

Year: 914 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,378,117 km

• M1: 99,782 km (0.087 R)
• M2: 411,394 km (0.079 R)
• M3: 680,521 km (0.108 R)
• M4: 1,085,183 km (0.099 R)
• M5: 1,643,931 km (0.051 R)
• M6: 2,004,163 km (0.058 R)
• M7: 2,370,528 km (0.115 R)
• M8: 2,692,762 km (0.101 R)
• M9: 3,530,061 km (0.109 R)
• M10: 4,017,152 km (0.037 R)
• M11: 4,495,117 km (0.091 R)
• M12: 4,877,788 km (0.101 R)
• M13: 5,321,944 km (0.085 R)
• M14: 5,856,158 km (0.052 R)
• M15: 6,290,890 km (0.079 R)
• M16: 7,776,995 km (0.062 R)
• M17: 8,740,106 km (0.096 R)
• M18: 9,106,770 km (0.073 R)
• M19: 9,720,570 km (0.083 R)
• M20: 10,299,514 km (0.099 R)
• M21: 10,581,805 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 8.9

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.8 AU - 2.18 AU

Year: 1904 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,378,117 km

• M1: 110,702 km (0.116 R)
• M2: 575,353 km (0.082 R)
• M3: 908,508 km (0.049 R)
• M4: 1,338,303 km (0.062 R)
• M5: 1,825,842 km (0.101 R)
• M6: 2,505,166 km (0.083 R)
• M7: 4,041,536 km (0.062 R)
• M8: 4,473,724 km (0.117 R)
• M9: 5,475,432 km (0.071 R)
• M10: 6,493,744 km (0.089 R)
• M11: 6,877,164 km (0.09 R)
• M12: 7,302,620 km (0.097 R)
• M13: 7,605,257 km (0.118 R)
• M14: 7,916,420 km (0.12 R)
• M15: 8,324,523 km (0.117 R)
• M16: 8,994,422 km (0.056 R)
• M17: 9,601,341 km (0.083 R)
• M18: 9,898,293 km (0.118 R)
• M19: 10,475,890 km (0.107 R)
• M20: 11,439,151 km (0.115 R)
• M21: 13,133,945 km (0.097 R)
• M22: 13,789,633 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.7

Radius: 9

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.87 AU - 2.29 AU

Year: 2035 Days

Day: 14.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,378,117 km

• M1: 112,049 km (0.107 R)
• M2: 403,465 km (0.112 R)
• M3: 803,191 km (0.098 R)
• M4: 1,088,773 km (0.118 R)
• M5: 1,399,937 km (0.053 R)
• M6: 1,974,841 km (0.092 R)
• M7: 2,255,637 km (0.112 R)
• M8: 2,727,618 km (0.111 R)
• M9: 3,093,086 km (0.105 R)
• M10: 4,409,996 km (0.09 R)
• M11: 10,104,887 km (0.084 R)
• M12: 10,415,752 km (0.075 R)
• M13: 10,697,295 km (0.119 R)
• M14: 12,066,714 km (0.051 R)
• M15: 12,813,806 km (0.053 R)
• M16: 13,758,815 km (0.116 R)
• M17: 14,443,226 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 13.3

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.75 AU - 2.75 AU

Year: 3093 Days

Day: 11.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,378,117 km

• M1: 165,754 km (0.117 R)
• M2: 638,633 km (0.077 R)
• M3: 1,670,410 km (0.064 R)
• M4: 2,351,379 km (0.092 R)
• M5: 2,931,819 km (0.06 R)
• M6: 3,587,507 km (0.076 R)
• M7: 4,272,814 km (0.05 R)
• M8: 4,921,471 km (0.11 R)
• M9: 5,796,768 km (0.07 R)
• M10: 6,300,763 km (0.098 R)
• M11: 7,269,409 km (0.085 R)
• M12: 8,059,286 km (0.1 R)
• M13: 9,015,516 km (0.118 R)
• M14: 9,617,049 km (0.073 R)
• M15: 10,046,095 km (0.112 R)
• M16: 10,984,523 km (0.117 R)
• M17: 11,847,403 km (0.078 R)
• M18: 12,523,735 km (0.084 R)
• M19: 13,321,391 km (0.119 R)
• M20: 15,703,438 km (0.103 R)
• M21: 16,742,545 km (0.096 R)
• M22: 19,448,022 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.4

Radius: 15

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.65 AU - 5.05 AU

Year: 6154 Days

Day: 6.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,378,117 km

• M1: 186,549 km (0.108 R)
• M2: 659,278 km (0.1 R)
• M3: 1,205,160 km (0.075 R)
• M4: 2,153,013 km (0.086 R)
• M5: 2,886,042 km (0.054 R)
• M6: 6,063,351 km (0.072 R)
• M7: 6,652,767 km (0.074 R)
• M8: 7,388,788 km (0.096 R)
• M9: 8,374,788 km (0.081 R)
• M10: 9,619,741 km (0.051 R)
• M11: 18,832,577 km (0.096 R)
• M12: 20,889,398 km (0.11 R)
• M13: 27,335,421 km (0.096 R)
• M14: 29,408,997 km (0.109 R)
• M15: 30,912,156 km (0.119 R)
• M16: 33,362,569 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 16,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit