🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.6

Radius: 10.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.55 AU - 0.63 AU

Year: 313 Days

Day: 13.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,700,673 km

• M1: 130,300 km (0.051 R)
• M2: 595,100 km (0.111 R)
• M3: 934,089 km (0.092 R)
• M4: 1,261,559 km (0.089 R)
• M5: 1,741,170 km (0.079 R)
• M6: 3,353,685 km (0.103 R)
• M7: 4,219,558 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.3

Radius: 9.9

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.56 AU - 0.84 AU

Year: 404 Days

Day: 5.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,700,673 km

• M1: 123,119 km (0.066 R)
• M2: 489,484 km (0.076 R)
• M3: 864,376 km (0.075 R)
• M4: 1,227,899 km (0.069 R)
• M5: 1,613,712 km (0.079 R)
• M6: 2,123,691 km (0.087 R)
• M7: 2,986,871 km (0.073 R)
• M8: 3,369,991 km (0.1 R)
• M9: 3,799,038 km (0.114 R)
• M10: 4,798,053 km (0.081 R)
• M11: 5,259,861 km (0.075 R)
• M12: 6,144,134 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 9.2

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.83 AU - 2.25 AU

Year: 2011 Days

Day: 6.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,700,673 km

• M1: 119,529 km (0.106 R)
• M2: 423,512 km (0.081 R)
• M3: 841,787 km (0.099 R)
• M4: 1,171,351 km (0.057 R)
• M5: 3,767,473 km (0.085 R)
• M6: 4,850,262 km (0.115 R)
• M7: 5,555,766 km (0.051 R)
• M8: 6,440,488 km (0.094 R)
• M9: 7,048,603 km (0.115 R)
• M10: 8,164,154 km (0.097 R)
• M11: 8,904,664 km (0.093 R)
• M12: 10,870,529 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.3

Radius: 10.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.07 AU - 2.43 AU

Year: 2330 Days

Day: 7.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,700,673 km

• M1: 128,056 km (0.058 R)
• M2: 584,479 km (0.094 R)
• M3: 2,460,586 km (0.07 R)
• M4: 3,549,957 km (0.088 R)
• M5: 4,815,555 km (0.087 R)
• M6: 8,154,281 km (0.087 R)
• M7: 9,061,592 km (0.091 R)
• M8: 11,041,520 km (0.032 R)
• M9: 11,785,320 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.8

Radius: 9.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.02 AU - 2.58 AU

Year: 2408 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,700,673 km

• M1: 130,898 km (0.119 R)
• M2: 457,171 km (0.05 R)
• M3: 849,118 km (0.114 R)
• M4: 1,654,552 km (0.077 R)
• M5: 2,157,052 km (0.094 R)
• M6: 2,758,884 km (0.043 R)
• M7: 3,777,645 km (0.093 R)
• M8: 4,314,702 km (0.07 R)
• M9: 5,427,112 km (0.078 R)
• M10: 6,385,884 km (0.047 R)
• M11: 6,826,151 km (0.104 R)
• M12: 7,971,323 km (0.047 R)
• M13: 8,420,864 km (0.119 R)
• M14: 9,871,515 km (0.084 R)
• M15: 10,460,781 km (0.079 R)
• M16: 11,482,235 km (0.093 R)
• M17: 13,178,226 km (0.117 R)
• M18: 13,935,640 km (0.057 R)
• M19: 14,500,372 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.1

Radius: 12.4

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.7 AU - 3.98 AU

Year: 4213 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,700,673 km

• M1: 156,031 km (0.067 R)
• M2: 549,772 km (0.108 R)
• M3: 1,453,643 km (0.077 R)
• M4: 1,841,251 km (0.112 R)
• M5: 2,899,207 km (0.084 R)
• M6: 3,319,128 km (0.039 R)
• M7: 3,819,982 km (0.101 R)
• M8: 4,239,304 km (0.09 R)
• M9: 5,023,496 km (0.081 R)
• M10: 5,686,664 km (0.084 R)
• M11: 6,179,439 km (0.087 R)
• M12: 7,250,859 km (0.091 R)
• M13: 7,831,149 km (0.103 R)
• M14: 8,477,263 km (0.07 R)
• M15: 11,944,193 km (0.1 R)
• M16: 13,315,557 km (0.118 R)
• M17: 14,336,263 km (0.082 R)
• M18: 14,789,395 km (0.061 R)
• M19: 15,884,003 km (0.118 R)
• M20: 19,738,392 km (0.114 R)
• M21: 22,248,046 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.5

Radius: 7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.75 AU - 7.87 AU

Year: 12267 Days

Day: 15.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,700,673 km

• M1: 89,011 km (0.08 R)
• M2: 440,416 km (0.059 R)
• M3: 660,774 km (0.062 R)
• M4: 886,517 km (0.109 R)
• M5: 1,463,516 km (0.08 R)
• M6: 2,267,156 km (0.085 R)
• M7: 2,893,672 km (0.099 R)
• M8: 5,135,396 km (0.102 R)
• M9: 6,871,180 km (0.12 R)
• M10: 8,010,218 km (0.084 R)
• M11: 8,964,952 km (0.078 R)
• M12: 10,274,382 km (0.097 R)
• M13: 10,705,373 km (0.045 R)
• M14: 12,123,860 km (0.114 R)
• M15: 17,460,465 km (0.067 R)
• M16: 22,142,729 km (0.089 R)
• M17: 23,023,860 km (0.093 R)
• M18: 24,346,754 km (0.086 R)
• M19: 30,050,023 km (0.12 R)
• M20: 31,030,189 km (0.071 R)
• M21: 34,842,391 km (0.075 R)
• M22: 36,805,115 km (0.073 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: 528 - 14,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit