🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 10.9

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.63 AU - 0.95 AU

Year: 446 Days

Day: 8 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,215,189 km

• M1: 135,835 km (0.112 R)
• M2: 513,121 km (0.108 R)
• M3: 909,256 km (0.105 R)
• M4: 1,435,691 km (0.085 R)
• M5: 1,797,418 km (0.116 R)
• M6: 2,520,126 km (0.059 R)
• M7: 3,009,610 km (0.11 R)
• M8: 3,675,021 km (0.112 R)
• M9: 4,686,752 km (0.062 R)
• M10: 5,073,163 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 12.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.03 AU - 1.09 AU

Year: 694 Days

Day: 14.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,215,189 km

• M1: 155,582 km (0.088 R)
• M2: 558,748 km (0.096 R)
• M3: 1,565,691 km (0.074 R)
• M4: 1,961,677 km (0.076 R)
• M5: 2,745,869 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407

Radius: 9.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.08 AU - 1.24 AU

Year: 794 Days

Day: 13.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,215,189 km

• M1: 123,119 km (0.106 R)
• M2: 512,373 km (0.11 R)
• M3: 933,042 km (0.082 R)
• M4: 1,486,554 km (0.114 R)
• M5: 2,355,418 km (0.103 R)
• M6: 2,833,832 km (0.113 R)
• M7: 3,427,586 km (0.025 R)
• M8: 4,072,952 km (0.074 R)
• M9: 4,668,351 km (0.08 R)
• M10: 5,285,891 km (0.046 R)
• M11: 7,015,691 km (0.097 R)
• M12: 7,380,710 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 14.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.14 AU - 1.26 AU

Year: 836 Days

Day: 9.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,215,189 km

• M1: 176,376 km (0.095 R)
• M2: 648,208 km (0.082 R)
• M3: 1,431,652 km (0.117 R)
• M4: 2,135,061 km (0.114 R)
• M5: 2,643,245 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.2

Radius: 13.5

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.12 AU - 1.58 AU

Year: 997 Days

Day: 9.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 43,215,189 km

• M1: 168,148 km (0.096 R)
• M2: 757,414 km (0.108 R)
• M3: 1,698,085 km (0.041 R)
• M4: 2,612,278 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821

Radius: 9.2

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.09 AU - 3.15 AU

Year: 2696 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,215,189 km

• M1: 114,442 km (0.097 R)
• M2: 444,605 km (0.1 R)
• M3: 826,678 km (0.118 R)
• M4: 1,125,425 km (0.087 R)
• M5: 1,902,586 km (0.1 R)
• M6: 2,239,630 km (0.065 R)
• M7: 2,585,949 km (0.073 R)
• M8: 3,001,382 km (0.039 R)
• M9: 4,070,109 km (0.098 R)
• M10: 4,702,759 km (0.04 R)
• M11: 5,526,295 km (0.107 R)
• M12: 6,026,849 km (0.113 R)
• M13: 6,586,046 km (0.114 R)
• M14: 8,748,932 km (0.107 R)
• M15: 10,694,602 km (0.106 R)
• M16: 11,982,789 km (0.063 R)
• M17: 14,814,827 km (0.058 R)
• M18: 15,267,360 km (0.103 R)
• M19: 15,832,990 km (0.036 R)
• M20: 16,788,621 km (0.068 R)
• M21: 20,809,961 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.1

Radius: 5.6

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.39 AU - 8.53 AU

Year: 12955 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,215,189 km

• M1: 69,713 km (0.107 R)
• M2: 828,024 km (0.109 R)
• M3: 1,121,984 km (0.105 R)
• M4: 1,405,322 km (0.099 R)
• M5: 1,983,668 km (0.1 R)
• M6: 2,399,999 km (0.082 R)
• M7: 3,153,374 km (0.071 R)
• M8: 3,358,472 km (0.1 R)
• M9: 4,379,777 km (0.116 R)
• M10: 5,894,605 km (0.042 R)
• M11: 6,171,361 km (0.109 R)
• M12: 7,565,763 km (0.114 R)
• M13: 8,272,014 km (0.057 R)
• M14: 8,796,355 km (0.072 R)
• M15: 10,653,912 km (0.101 R)
• M16: 11,486,424 km (0.064 R)
• M17: 11,973,215 km (0.052 R)
• M18: 14,742,122 km (0.063 R)
• M19: 17,271,224 km (0.057 R)
• M20: 21,666,858 km (0.08 R)
• M21: 21,994,926 km (0.104 R)
• M22: 22,493,237 km (0.092 R)
• M23: 25,188,242 km (0.047 R)
• M24: 29,172,482 km (0.108 R)
• M25: 31,732,850 km (0.113 R)
• M26: 32,156,062 km (0.042 R)
• M27: 38,242,003 km (0.116 R)
• M28: 39,813,977 km (0.117 R)
• M29: 41,933,779 km (0.074 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 13,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit