🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401

Radius: 13.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.44 AU - 0.66 AU

Year: 282 Days

Day: 14.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 115 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,070,782 km

• M1: 167,998 km (0.09 R)
• M2: 669,002 km (0.079 R)
• M3: 1,195,736 km (0.104 R)
• M4: 1,766,601 km (0.074 R)
• M5: 2,421,541 km (0.088 R)
• M6: 2,864,350 km (0.052 R)
• M7: 3,302,523 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.3

Radius: 12.6

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.59 AU - 0.85 AU

Year: 422 Days

Day: 10.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,070,782 km

• M1: 156,779 km (0.116 R)
• M2: 649,404 km (0.072 R)
• M3: 1,122,582 km (0.085 R)
• M4: 1,674,150 km (0.081 R)
• M5: 2,079,560 km (0.042 R)
• M6: 3,218,897 km (0.098 R)
• M7: 4,185,748 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.4

Radius: 10.2

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.85 AU - 0.97 AU

Year: 599 Days

Day: 14.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,070,782 km

• M1: 126,859 km (0.093 R)
• M2: 559,646 km (0.102 R)
• M3: 997,818 km (0.119 R)
• M4: 1,400,685 km (0.111 R)
• M5: 1,903,184 km (0.103 R)
• M6: 2,555,132 km (0.056 R)
• M7: 2,904,293 km (0.111 R)
• M8: 3,727,680 km (0.104 R)
• M9: 4,569,467 km (0.111 R)
• M10: 5,478,274 km (0.116 R)
• M11: 6,200,981 km (0.113 R)
• M12: 7,836,086 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.7

Radius: 11.4

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.07 AU - 1.31 AU

Year: 896 Days

Day: 9.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,070,782 km

• M1: 142,567 km (0.109 R)
• M2: 590,313 km (0.025 R)
• M3: 2,056,372 km (0.096 R)
• M4: 2,578,319 km (0.045 R)
• M5: 3,275,745 km (0.1 R)
• M6: 3,878,175 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 11.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.46 AU - 2.22 AU

Year: 1723 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,070,782 km

• M1: 144,212 km (0.1 R)
• M2: 581,637 km (0.065 R)
• M3: 1,531,134 km (0.062 R)
• M4: 2,430,217 km (0.058 R)
• M5: 3,139,910 km (0.096 R)
• M6: 4,219,857 km (0.076 R)
• M7: 4,810,170 km (0.119 R)
• M8: 6,325,297 km (0.094 R)
• M9: 7,099,915 km (0.063 R)
• M10: 8,366,411 km (0.113 R)
• M11: 8,811,464 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.06 AU - 3.14 AU

Year: 3768 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,070,782 km

• M1: 99,483 km (0.08 R)
• M2: 397,482 km (0.053 R)
• M3: 677,230 km (0.088 R)
• M4: 985,850 km (0.119 R)
• M5: 1,296,266 km (0.078 R)
• M6: 1,586,934 km (0.105 R)
• M7: 2,144,186 km (0.109 R)
• M8: 2,540,321 km (0.053 R)
• M9: 3,166,089 km (0.086 R)
• M10: 3,756,403 km (0.048 R)
• M11: 4,439,167 km (0.088 R)
• M12: 5,565,340 km (0.079 R)
• M13: 5,893,707 km (0.117 R)
• M14: 6,155,055 km (0.101 R)
• M15: 6,957,049 km (0.083 R)
• M16: 7,672,127 km (0.061 R)
• M17: 8,937,276 km (0.1 R)
• M18: 10,563,405 km (0.036 R)
• M19: 11,186,330 km (0.092 R)
• M20: 11,547,460 km (0.075 R)
• M21: 11,874,929 km (0.116 R)
• M22: 12,166,496 km (0.105 R)
• M23: 14,626,782 km (0.092 R)
• M24: 15,797,535 km (0.1 R)
• M25: 17,294,112 km (0.105 R)
• M26: 17,777,164 km (0.114 R)

Asteroid Belt

Center: 5.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.4

Radius: 8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.87 AU - 9.29 AU

Year: 14405 Days

Day: 18.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,070,782 km

• M1: 99,483 km (0.096 R)
• M2: 364,121 km (0.073 R)
• M3: 729,140 km (0.099 R)
• M4: 1,094,308 km (0.072 R)
• M5: 2,529,700 km (0.095 R)
• M6: 4,272,665 km (0.051 R)
• M7: 5,136,443 km (0.107 R)
• M8: 5,469,448 km (0.118 R)
• M9: 5,752,487 km (0.047 R)
• M10: 6,314,077 km (0.073 R)
• M11: 6,984,575 km (0.052 R)
• M12: 8,017,548 km (0.114 R)
• M13: 8,718,265 km (0.09 R)
• M14: 13,862,786 km (0.064 R)
• M15: 14,689,613 km (0.113 R)
• M16: 15,486,372 km (0.115 R)
• M17: 21,189,192 km (0.028 R)
• M18: 23,254,391 km (0.068 R)
• M19: 24,083,312 km (0.075 R)
• M20: 28,619,269 km (0.026 R)
• M21: 31,236,933 km (0.082 R)
• M22: 31,839,513 km (0.076 R)
• M23: 33,171,832 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 12,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit