🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.44 AU - 0.7 AU

Year: 154 Days

Day: 40.2 Hours

Environment

Temp: 242 °C

Axial Tilt: 29.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,390,391 km

• M1: 117,135 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.7 AU - 0.9 AU

Year: 256 Days

Day: 33.2 Hours

Environment

Temp: 112 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,390,391 km

• M1: 152,590 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.51 AU - 1.53 AU

Year: 671 Days

Day: 20.5 Hours

Environment

Temp: -24 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,390,391 km

• M1: 27,825 km (0.073 R)
• M2: 62,233 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.72 AU - 2.84 AU

Year: 1233 Days

Day: 36.1 Hours

Environment

Temp: -78 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,390,391 km

• M1: 23,487 km (0.081 R)

Asteroid Belt

Center: 4.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 9.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.94 AU - 7.18 AU

Year: 6018 Days

Day: 6.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,390,391 km

• M1: 123,269 km (0.052 R)
• M2: 762,201 km (0.076 R)
• M3: 1,221,766 km (0.065 R)
• M4: 3,175,364 km (0.111 R)
• M5: 4,647,557 km (0.104 R)
• M6: 5,051,770 km (0.096 R)
• M7: 5,534,523 km (0.119 R)
• M8: 7,169,478 km (0.108 R)
• M9: 11,052,739 km (0.046 R)
• M10: 12,966,545 km (0.086 R)
• M11: 17,199,866 km (0.084 R)
• M12: 17,862,734 km (0.077 R)
• M13: 20,284,424 km (0.112 R)
• M14: 23,572,436 km (0.091 R)
• M15: 25,613,699 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 14.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.86 AU - 9.18 AU

Year: 7386 Days

Day: 5.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,390,391 km

• M1: 184,005 km (0.099 R)
• M2: 856,298 km (0.074 R)
• M3: 1,758,523 km (0.113 R)
• M4: 2,276,132 km (0.103 R)
• M5: 3,000,036 km (0.1 R)
• M6: 3,924,551 km (0.075 R)
• M7: 6,374,365 km (0.083 R)
• M8: 7,943,946 km (0.099 R)
• M9: 8,535,307 km (0.107 R)
• M10: 10,738,584 km (0.114 R)
• M11: 16,242,738 km (0.111 R)
• M12: 19,749,612 km (0.052 R)
• M13: 22,544,549 km (0.096 R)
• M14: 23,133,665 km (0.036 R)
• M15: 24,873,788 km (0.101 R)
• M16: 33,905,609 km (0.095 R)
• M17: 35,352,221 km (0.094 R)
• M18: 36,262,673 km (0.108 R)
• M19: 37,775,407 km (0.106 R)
• M20: 38,607,171 km (0.082 R)
• M21: 39,451,202 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.4

Radius: 10.8

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.4 AU - 9.3 AU

Year: 8642 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,390,391 km

• M1: 135,835 km (0.095 R)
• M2: 512,522 km (0.115 R)
• M3: 1,043,744 km (0.075 R)
• M4: 1,592,021 km (0.113 R)
• M5: 2,882,003 km (0.115 R)
• M6: 4,888,260 km (0.113 R)
• M7: 5,804,996 km (0.086 R)
• M8: 6,357,910 km (0.094 R)
• M9: 7,331,044 km (0.04 R)
• M10: 8,973,179 km (0.105 R)
• M11: 9,384,574 km (0.097 R)
• M12: 9,808,534 km (0.066 R)
• M13: 10,294,577 km (0.099 R)
• M14: 10,950,415 km (0.075 R)
• M15: 13,556,260 km (0.116 R)
• M16: 18,824,498 km (0.068 R)
• M17: 24,335,086 km (0.05 R)
• M18: 26,886,926 km (0.078 R)
• M19: 28,130,234 km (0.058 R)
• M20: 29,013,310 km (0.118 R)
• M21: 29,712,680 km (0.079 R)
• M22: 32,409,481 km (0.08 R)
• M23: 33,707,542 km (0.052 R)
• M24: 34,591,964 km (0.101 R)
• M25: 35,378,550 km (0.096 R)
• M26: 36,522,675 km (0.035 R)
• M27: 36,870,789 km (0.101 R)
• M28: 39,005,550 km (0.085 R)
• M29: 40,473,854 km (0.081 R)
• M30: 41,598,979 km (0.036 R)

Kuiper Belt

Range: 30.6 - 57.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 12,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit