🌌 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 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.48 AU - 0.7 AU

Year: 293 Days

Day: 25.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,047,663 km

• M1: 134,040 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.9

Radius: 12

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.8 AU - 1.28 AU

Year: 685 Days

Day: 8.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,047,663 km

• M1: 149,299 km (0.037 R)
• M2: 584,778 km (0.062 R)
• M3: 1,011,282 km (0.083 R)
• M4: 1,418,786 km (0.105 R)
• M5: 2,430,965 km (0.085 R)
• M6: 3,901,662 km (0.106 R)
• M7: 4,982,207 km (0.106 R)
• M8: 5,879,944 km (0.106 R)
• M9: 6,741,030 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.6

Radius: 9.6

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.23 AU - 3.23 AU

Year: 3748 Days

Day: 11.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,047,663 km

• M1: 119,529 km (0.095 R)
• M2: 562,937 km (0.113 R)
• M3: 1,014,722 km (0.119 R)
• M4: 1,917,396 km (0.078 R)
• M5: 2,378,157 km (0.069 R)
• M6: 3,245,675 km (0.088 R)
• M7: 4,013,711 km (0.054 R)
• M8: 5,001,206 km (0.084 R)
• M9: 5,706,710 km (0.108 R)
• M10: 6,053,927 km (0.041 R)
• M11: 6,855,173 km (0.091 R)
• M12: 7,795,395 km (0.09 R)
• M13: 8,667,701 km (0.111 R)
• M14: 9,847,878 km (0.116 R)
• M15: 10,391,367 km (0.077 R)
• M16: 10,998,735 km (0.027 R)
• M17: 14,081,797 km (0.102 R)
• M18: 15,707,926 km (0.082 R)
• M19: 16,683,155 km (0.053 R)
• M20: 17,036,804 km (0.082 R)
• M21: 19,329,541 km (0.084 R)
• M22: 20,583,470 km (0.027 R)
• M23: 21,195,924 km (0.031 R)
• M24: 24,216,305 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 12.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.05 AU - 3.81 AU

Year: 4102 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,047,663 km

• M1: 157,377 km (0.095 R)
• M2: 591,211 km (0.044 R)
• M3: 1,157,588 km (0.107 R)
• M4: 2,214,348 km (0.116 R)
• M5: 4,902,023 km (0.106 R)
• M6: 6,839,615 km (0.085 R)
• M7: 7,927,939 km (0.111 R)
• M8: 9,214,630 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.9

Radius: 4.5

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.96 AU - 8.26 AU

Year: 10973 Days

Day: 23.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 34,047,663 km

• M1: 55,950 km (0.05 R)
• M2: 417,976 km (0.056 R)
• M3: 964,607 km (0.106 R)
• M4: 1,233,584 km (0.093 R)
• M5: 1,722,470 km (0.119 R)
• M6: 1,862,942 km (0.118 R)
• M7: 2,041,413 km (0.075 R)
• M8: 2,450,563 km (0.096 R)
• M9: 3,051,348 km (0.081 R)
• M10: 3,517,944 km (0.068 R)
• M11: 3,721,995 km (0.076 R)
• M12: 4,618,236 km (0.091 R)
• M13: 5,261,058 km (0.071 R)
• M14: 5,961,774 km (0.119 R)
• M15: 6,450,959 km (0.117 R)
• M16: 7,037,084 km (0.116 R)
• M17: 7,924,199 km (0.059 R)
• M18: 9,434,091 km (0.056 R)
• M19: 10,233,691 km (0.098 R)
• M20: 11,029,402 km (0.083 R)
• M21: 11,467,126 km (0.108 R)
• M22: 11,865,654 km (0.101 R)
• M23: 13,608,021 km (0.054 R)
• M24: 16,688,241 km (0.062 R)
• M25: 17,329,567 km (0.113 R)
• M26: 18,053,770 km (0.094 R)
• M27: 24,588,953 km (0.069 R)
• M28: 25,001,544 km (0.045 R)
• M29: 26,010,432 km (0.09 R)
• M30: 27,662,890 km (0.103 R)
• M31: 28,469,522 km (0.116 R)
• M32: 29,384,014 km (0.05 R)
• M33: 29,569,216 km (0.089 R)
• M34: 31,175,299 km (0.12 R)
• M35: 33,439,462 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 17,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit