🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 12.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.76 AU - 0.94 AU

Year: 532 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,920,618 km

• M1: 156,629 km (0.035 R)
• M2: 656,286 km (0.04 R)
• M3: 1,058,106 km (0.075 R)
• M4: 1,813,725 km (0.113 R)
• M5: 2,668,078 km (0.117 R)
• M6: 3,297,586 km (0.098 R)
• M7: 4,769,031 km (0.079 R)
• M8: 5,212,738 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.4

Radius: 10.7

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.03 AU - 1.43 AU

Year: 925 Days

Day: 9.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,920,618 km

• M1: 133,142 km (0.051 R)
• M2: 475,572 km (0.104 R)
• M3: 952,789 km (0.105 R)
• M4: 1,337,255 km (0.101 R)
• M5: 1,845,140 km (0.078 R)
• M6: 2,455,799 km (0.053 R)
• M7: 2,912,521 km (0.103 R)
• M8: 3,266,918 km (0.115 R)
• M9: 3,774,205 km (0.111 R)
• M10: 4,742,552 km (0.093 R)
• M11: 5,177,283 km (0.087 R)
• M12: 5,659,287 km (0.063 R)
• M13: 6,018,771 km (0.088 R)
• M14: 6,807,002 km (0.059 R)
• M15: 7,611,988 km (0.032 R)
• M16: 7,998,250 km (0.105 R)
• M17: 9,323,538 km (0.115 R)
• M18: 9,977,580 km (0.069 R)
• M19: 10,440,884 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.4

Radius: 8.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.61 AU - 1.77 AU

Year: 1490 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,920,618 km

• M1: 108,309 km (0.09 R)
• M2: 434,133 km (0.086 R)
• M3: 917,783 km (0.118 R)
• M4: 1,457,532 km (0.061 R)
• M5: 2,583,854 km (0.101 R)
• M6: 3,065,560 km (0.077 R)
• M7: 3,842,122 km (0.106 R)
• M8: 4,826,476 km (0.12 R)
• M9: 5,236,075 km (0.103 R)
• M10: 5,837,010 km (0.107 R)
• M11: 6,282,363 km (0.092 R)
• M12: 6,667,278 km (0.112 R)
• M13: 7,710,274 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.4

Radius: 12.2

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.1 AU - 2.44 AU

Year: 2320 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,920,618 km

• M1: 151,692 km (0.11 R)
• M2: 596,148 km (0.032 R)
• M3: 988,244 km (0.081 R)
• M4: 1,552,676 km (0.084 R)
• M5: 2,465,223 km (0.058 R)
• M6: 3,186,135 km (0.112 R)
• M7: 3,672,927 km (0.088 R)
• M8: 4,061,133 km (0.08 R)
• M9: 4,575,451 km (0.04 R)
• M10: 5,241,161 km (0.116 R)
• M11: 6,066,194 km (0.075 R)
• M12: 7,887,697 km (0.111 R)
• M13: 8,357,734 km (0.105 R)
• M14: 8,846,320 km (0.107 R)
• M15: 10,358,007 km (0.071 R)
• M16: 10,958,343 km (0.095 R)
• M17: 11,656,516 km (0.109 R)
• M18: 14,314,422 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.6

Radius: 8.1

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.87 AU - 3.43 AU

Year: 3792 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,920,618 km

• M1: 101,128 km (0.087 R)
• M2: 494,720 km (0.075 R)
• M3: 807,230 km (0.06 R)
• M4: 1,578,258 km (0.085 R)
• M5: 3,874,136 km (0.064 R)
• M6: 5,245,949 km (0.112 R)
• M7: 7,019,132 km (0.115 R)
• M8: 8,373,442 km (0.06 R)
• M9: 10,875,765 km (0.088 R)
• M10: 11,810,154 km (0.093 R)
• M11: 12,070,603 km (0.08 R)
• M12: 13,350,712 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.2

Radius: 7.4

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.56 AU - 9.08 AU

Year: 17766 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,920,618 km

• M1: 92,003 km (0.106 R)
• M2: 338,091 km (0.096 R)
• M3: 692,339 km (0.107 R)
• M4: 2,379,653 km (0.104 R)
• M5: 2,847,745 km (0.057 R)
• M6: 4,241,100 km (0.104 R)
• M7: 4,725,498 km (0.104 R)
• M8: 5,174,740 km (0.07 R)
• M9: 7,261,481 km (0.114 R)
• M10: 7,907,295 km (0.067 R)
• M11: 9,313,066 km (0.085 R)
• M12: 10,528,698 km (0.097 R)
• M13: 11,234,800 km (0.117 R)
• M14: 12,938,121 km (0.075 R)
• M15: 13,474,280 km (0.106 R)
• M16: 16,379,471 km (0.108 R)
• M17: 18,393,208 km (0.104 R)
• M18: 18,645,430 km (0.048 R)
• M19: 20,118,670 km (0.054 R)
• M20: 24,694,719 km (0.117 R)
• M21: 30,503,006 km (0.096 R)
• M22: 31,093,768 km (0.102 R)
• M23: 31,572,032 km (0.075 R)
• M24: 36,494,251 km (0.117 R)
• M25: 36,759,638 km (0.044 R)
• M26: 37,563,577 km (0.099 R)
• M27: 37,834,049 km (0.116 R)
• M28: 41,614,986 km (0.061 R)
• M29: 44,572,835 km (0.059 R)
• M30: 48,944,983 km (0.103 R)
• M31: 62,804,776 km (0.058 R)
• M32: 64,920,689 km (0.08 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: 522 - 15,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit