🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.48 AU - 0.62 AU

Year: 263 Days

Day: 29.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,437,952 km

• M1: 660,175 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.55 AU - 0.75 AU

Year: 338 Days

Day: 38.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,437,952 km

• M1: 266,733 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.8

Radius: 10.8

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.74 AU - 0.82 AU

Year: 445 Days

Day: 7.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 47,437,952 km

• M1: 134,788 km (0.06 R)
• M2: 662,270 km (0.12 R)
• M3: 1,057,208 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.6

Radius: 13

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.83 AU - 1.11 AU

Year: 617 Days

Day: 7.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,437,952 km

• M1: 162,014 km (0.112 R)
• M2: 581,038 km (0.051 R)
• M3: 987,346 km (0.114 R)
• M4: 1,603,689 km (0.109 R)
• M5: 2,062,356 km (0.104 R)
• M6: 2,543,912 km (0.098 R)
• M7: 4,013,561 km (0.087 R)
• M8: 4,976,672 km (0.041 R)
• M9: 5,457,779 km (0.114 R)
• M10: 6,207,863 km (0.112 R)
• M11: 6,852,181 km (0.094 R)
• M12: 7,517,742 km (0.087 R)
• M13: 7,985,086 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739

Radius: 9.7

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.89 AU - 2.17 AU

Year: 1867 Days

Day: 8.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,437,952 km

• M1: 126,859 km (0.043 R)
• M2: 430,991 km (0.066 R)
• M3: 1,059,003 km (0.106 R)
• M4: 2,198,191 km (0.06 R)
• M5: 3,394,525 km (0.116 R)
• M6: 4,068,763 km (0.089 R)
• M7: 5,088,871 km (0.096 R)
• M8: 5,403,026 km (0.056 R)
• M9: 5,802,004 km (0.108 R)
• M10: 8,282,486 km (0.102 R)
• M11: 9,104,377 km (0.053 R)
• M12: 10,189,410 km (0.099 R)
• M13: 11,625,849 km (0.089 R)
• M14: 14,941,237 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.6

Radius: 13.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.15 AU - 2.17 AU

Year: 2050 Days

Day: 14.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,437,952 km

• M1: 169,195 km (0.109 R)
• M2: 750,981 km (0.113 R)
• M3: 1,201,570 km (0.108 R)
• M4: 1,727,257 km (0.104 R)
• M5: 2,394,015 km (0.116 R)
• M6: 2,954,857 km (0.091 R)
• M7: 3,757,151 km (0.116 R)
• M8: 4,885,866 km (0.099 R)
• M9: 5,890,416 km (0.047 R)
• M10: 7,807,214 km (0.117 R)
• M11: 8,337,837 km (0.076 R)
• M12: 9,146,863 km (0.086 R)
• M13: 10,634,763 km (0.033 R)
• M14: 12,795,106 km (0.04 R)
• M15: 14,652,363 km (0.075 R)
• M16: 15,279,478 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.5

Radius: 4.8

Gravity: 18.6 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.51 AU - 8.87 AU

Year: 12448 Days

Day: 19 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,437,952 km

• M1: 59,989 km (0.05 R)
• M2: 292,464 km (0.087 R)
• M3: 578,046 km (0.118 R)
• M4: 1,034,320 km (0.074 R)
• M5: 1,288,486 km (0.07 R)
• M6: 1,484,908 km (0.088 R)
• M7: 2,005,210 km (0.115 R)
• M8: 3,230,416 km (0.085 R)
• M9: 4,262,941 km (0.062 R)
• M10: 4,493,172 km (0.077 R)
• M11: 4,762,149 km (0.108 R)
• M12: 5,299,355 km (0.071 R)
• M13: 7,561,574 km (0.085 R)
• M14: 9,351,662 km (0.095 R)
• M15: 11,571,246 km (0.1 R)
• M16: 12,479,604 km (0.115 R)
• M17: 16,450,081 km (0.09 R)
• M18: 17,377,737 km (0.087 R)
• M19: 17,596,599 km (0.063 R)
• M20: 18,264,404 km (0.1 R)
• M21: 20,693,873 km (0.103 R)
• M22: 21,605,224 km (0.074 R)
• M23: 24,499,793 km (0.079 R)
• M24: 25,052,407 km (0.101 R)
• M25: 25,238,507 km (0.066 R)
• M26: 25,896,887 km (0.101 R)
• M27: 28,645,449 km (0.094 R)
• M28: 29,776,409 km (0.106 R)
• M29: 34,598,397 km (0.078 R)
• M30: 38,291,819 km (0.109 R)
• M31: 42,503,149 km (0.059 R)
• M32: 43,837,711 km (0.037 R)
• M33: 46,730,784 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 18,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit