🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.99 AU - 1.05 AU

Year: 397 Days

Day: 18.1 Hours

Environment

Temp: -0 °C

Axial Tilt: 19.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.63 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.1

Radius: 13.9

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.75 AU - 4.71 AU

Year: 3349 Days

Day: 5.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,730,476 km

• M1: 175,030 km (0.063 R)
• M2: 441,912 km (0.043 R)
• M3: 1,259,614 km (0.065 R)
• M4: 1,564,794 km (0.111 R)
• M5: 2,562,761 km (0.12 R)
• M6: 3,179,852 km (0.094 R)
• M7: 4,331,158 km (0.083 R)
• M8: 6,280,867 km (0.05 R)
• M9: 6,872,676 km (0.114 R)
• M10: 12,807,971 km (0.084 R)
• M11: 13,727,849 km (0.043 R)
• M12: 14,333,720 km (0.04 R)
• M13: 15,425,485 km (0.109 R)
• M14: 16,764,536 km (0.104 R)
• M15: 20,426,841 km (0.097 R)
• M16: 21,870,610 km (0.109 R)
• M17: 24,404,050 km (0.057 R)
• M18: 25,415,631 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.6

Radius: 14.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.94 AU - 11.92 AU

Year: 12969 Days

Day: 12.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,730,476 km

• M1: 178,021 km (0.096 R)
• M2: 539,749 km (0.03 R)
• M3: 844,330 km (0.094 R)
• M4: 1,292,376 km (0.101 R)
• M5: 1,871,170 km (0.11 R)
• M6: 2,170,964 km (0.111 R)
• M7: 3,636,874 km (0.093 R)
• M8: 4,406,106 km (0.056 R)
• M9: 4,819,595 km (0.066 R)
• M10: 6,115,860 km (0.117 R)
• M11: 6,887,336 km (0.067 R)
• M12: 7,209,121 km (0.073 R)
• M13: 7,773,405 km (0.097 R)
• M14: 9,634,552 km (0.088 R)
• M15: 10,881,151 km (0.099 R)
• M16: 12,939,617 km (0.099 R)
• M17: 13,337,398 km (0.096 R)
• M18: 14,381,591 km (0.062 R)
• M19: 16,095,983 km (0.09 R)
• M20: 16,539,840 km (0.095 R)
• M21: 17,191,787 km (0.047 R)
• M22: 19,926,736 km (0.11 R)
• M23: 22,632,213 km (0.084 R)
• M24: 27,143,187 km (0.119 R)
• M25: 27,913,616 km (0.047 R)
• M26: 28,367,945 km (0.082 R)
• M27: 31,240,374 km (0.104 R)
• M28: 33,468,335 km (0.097 R)
• M29: 34,108,913 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.8

Radius: 3.6

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 11.72 AU - 14.88 AU

Year: 18674 Days

Day: 17 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,730,476 km

• M1: 60,737 km (0.076 R)
• M2: 470,485 km (0.044 R)
• M3: 581,038 km (0.109 R)
• M4: 852,558 km (0.114 R)
• M5: 1,417,739 km (0.076 R)
• M6: 2,074,623 km (0.087 R)
• M7: 2,170,665 km (0.053 R)
• M8: 2,640,702 km (0.106 R)
• M9: 3,041,175 km (0.115 R)
• M10: 3,876,081 km (0.119 R)
• M11: 4,222,400 km (0.07 R)
• M12: 4,842,633 km (0.117 R)
• M13: 5,229,194 km (0.11 R)
• M14: 5,853,316 km (0.117 R)
• M15: 6,311,235 km (0.072 R)
• M16: 6,479,084 km (0.116 R)
• M17: 6,855,921 km (0.056 R)
• M18: 7,207,925 km (0.049 R)
• M19: 8,013,360 km (0.045 R)
• M20: 8,393,637 km (0.077 R)
• M21: 9,629,017 km (0.115 R)
• M22: 10,172,356 km (0.092 R)
• M23: 10,385,383 km (0.101 R)
• M24: 10,949,517 km (0.047 R)
• M25: 12,169,039 km (0.058 R)
• M26: 12,922,264 km (0.06 R)
• M27: 15,737,098 km (0.059 R)
• M28: 17,974,184 km (0.062 R)
• M29: 22,831,926 km (0.084 R)
• M30: 24,514,453 km (0.104 R)
• M31: 24,844,915 km (0.114 R)
• M32: 27,220,081 km (0.119 R)
• M33: 33,594,595 km (0.09 R)
• M34: 35,233,739 km (0.081 R)
• M35: 39,044,147 km (0.048 R)
• M36: 41,664,503 km (0.05 R)
• M37: 42,788,731 km (0.118 R)
• M38: 44,193,006 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.7

Radius: 6

Gravity: 24.21 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 11.98 AU - 15.62 AU

Year: 19737 Days

Day: 18.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,730,476 km

• M1: 546,331 km (0.051 R)
• M2: 796,160 km (0.048 R)
• M3: 2,930,024 km (0.084 R)
• M4: 3,814,147 km (0.076 R)
• M5: 5,467,952 km (0.052 R)
• M6: 5,765,652 km (0.111 R)
• M7: 6,205,020 km (0.102 R)
• M8: 9,348,221 km (0.119 R)
• M9: 15,243,125 km (0.036 R)
• M10: 17,730,639 km (0.071 R)
• M11: 19,840,567 km (0.098 R)
• M12: 20,082,317 km (0.042 R)
• M13: 29,863,924 km (0.104 R)
• M14: 38,166,157 km (0.109 R)
• M15: 41,469,577 km (0.038 R)
• M16: 48,237,235 km (0.063 R)
• M17: 51,423,819 km (0.057 R)
• M18: 52,073,373 km (0.066 R)
• M19: 52,858,313 km (0.069 R)
• M20: 58,517,002 km (0.09 R)
• M21: 59,348,916 km (0.118 R)
• M22: 62,306,915 km (0.107 R)
• M23: 63,452,685 km (0.112 R)
• M24: 63,885,023 km (0.09 R)
• M25: 65,191,012 km (0.111 R)
• M26: 68,140,484 km (0.057 R)
• M27: 69,188,118 km (0.089 R)
• M28: 69,488,959 km (0.113 R)
• M29: 74,546,863 km (0.09 R)
• M30: 74,859,074 km (0.088 R)
• M31: 80,105,471 km (0.093 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: 220 - 12,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit