🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.9

Radius: 12.2

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.55 AU - 0.73 AU

Year: 360 Days

Day: 10.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,691,853 km

• M1: 151,692 km (0.092 R)
• M2: 613,351 km (0.098 R)
• M3: 1,013,974 km (0.061 R)
• M4: 1,396,047 km (0.058 R)
• M5: 1,777,971 km (0.079 R)
• M6: 2,182,184 km (0.029 R)
• M7: 3,128,839 km (0.051 R)
• M8: 3,598,128 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.3

Radius: 11.9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.54 AU - 0.76 AU

Year: 368 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 16,691,853 km

• M1: 148,700 km (0.104 R)
• M2: 725,699 km (0.116 R)
• M3: 1,259,315 km (0.103 R)
• M4: 1,891,216 km (0.075 R)
• M5: 2,509,953 km (0.114 R)
• M6: 2,905,041 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.3

Radius: 12.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.59 AU - 0.87 AU

Year: 438 Days

Day: 11.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,691,853 km

• M1: 156,629 km (0.117 R)
• M2: 614,548 km (0.082 R)
• M3: 1,021,753 km (0.038 R)
• M4: 1,454,241 km (0.087 R)
• M5: 2,019,272 km (0.107 R)
• M6: 2,459,389 km (0.112 R)
• M7: 3,537,391 km (0.108 R)
• M8: 4,051,110 km (0.084 R)
• M9: 4,614,496 km (0.091 R)
• M10: 5,245,500 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.7

Radius: 10.3

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.02 AU - 1.08 AU

Year: 756 Days

Day: 6.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,691,853 km

• M1: 128,056 km (0.109 R)
• M2: 533,167 km (0.082 R)
• M3: 854,503 km (0.104 R)
• M4: 1,215,333 km (0.083 R)
• M5: 1,704,967 km (0.063 R)
• M6: 2,045,900 km (0.1 R)
• M7: 2,465,971 km (0.103 R)
• M8: 3,124,651 km (0.071 R)
• M9: 4,100,478 km (0.115 R)
• M10: 4,755,866 km (0.119 R)
• M11: 5,577,308 km (0.088 R)
• M12: 6,022,212 km (0.095 R)
• M13: 7,646,246 km (0.096 R)
• M14: 8,247,480 km (0.088 R)
• M15: 8,718,863 km (0.09 R)
• M16: 9,601,191 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.9

Radius: 8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.17 AU - 1.25 AU

Year: 936 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,691,853 km

• M1: 99,483 km (0.04 R)
• M2: 428,598 km (0.108 R)
• M3: 874,848 km (0.101 R)
• M4: 1,973,944 km (0.085 R)
• M5: 2,940,795 km (0.092 R)
• M6: 3,292,200 km (0.11 R)
• M7: 4,487,338 km (0.068 R)
• M8: 6,077,264 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.7

Radius: 9.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.54 AU - 2.46 AU

Year: 1988 Days

Day: 6.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 16,691,853 km

• M1: 122,072 km (0.089 R)
• M2: 442,660 km (0.066 R)
• M3: 781,649 km (0.107 R)
• M4: 1,105,827 km (0.083 R)
• M5: 1,462,319 km (0.114 R)
• M6: 2,127,431 km (0.07 R)
• M7: 2,486,616 km (0.1 R)
• M8: 3,374,180 km (0.061 R)
• M9: 4,051,709 km (0.105 R)
• M10: 4,721,458 km (0.118 R)
• M11: 5,093,209 km (0.047 R)
• M12: 5,807,389 km (0.096 R)
• M13: 6,707,221 km (0.068 R)
• M14: 7,127,441 km (0.04 R)
• M15: 7,939,009 km (0.081 R)
• M16: 8,752,971 km (0.117 R)
• M17: 9,621,387 km (0.12 R)
• M18: 11,529,358 km (0.102 R)
• M19: 12,061,179 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.5

Radius: 8.3

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.03 AU - 2.77 AU

Year: 2614 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 16,691,853 km

• M1: 103,372 km (0.064 R)
• M2: 365,468 km (0.087 R)
• M3: 699,370 km (0.101 R)
• M4: 1,035,217 km (0.115 R)
• M5: 1,535,622 km (0.118 R)
• M6: 2,103,047 km (0.089 R)
• M7: 2,503,670 km (0.111 R)
• M8: 2,818,274 km (0.077 R)
• M9: 3,562,374 km (0.104 R)
• M10: 4,764,842 km (0.092 R)
• M11: 6,503,618 km (0.047 R)
• M12: 7,588,352 km (0.074 R)
• M13: 8,919,175 km (0.071 R)
• M14: 9,249,636 km (0.097 R)
• M15: 9,900,237 km (0.063 R)
• M16: 11,026,859 km (0.1 R)
• M17: 11,956,011 km (0.096 R)
• M18: 12,769,525 km (0.08 R)
• M19: 13,189,745 km (0.115 R)
• M20: 15,908,238 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 11,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit