🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.64 AU - 0.66 AU

Year: 344 Days

Day: 40.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.6

Radius: 13

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.46 AU - 1.64 AU

Year: 1266 Days

Day: 8.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,843,952 km

• M1: 161,715 km (0.09 R)
• M2: 581,487 km (0.086 R)
• M3: 1,148,612 km (0.079 R)
• M4: 1,645,128 km (0.102 R)
• M5: 2,315,775 km (0.12 R)
• M6: 2,951,716 km (0.074 R)
• M7: 3,479,198 km (0.096 R)
• M8: 4,844,428 km (0.08 R)
• M9: 5,544,845 km (0.084 R)
• M10: 5,988,852 km (0.101 R)
• M11: 6,689,119 km (0.087 R)
• M12: 7,193,264 km (0.087 R)
• M13: 8,302,831 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.1

Radius: 12.3

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.78 AU - 2.08 AU

Year: 1759 Days

Day: 14.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 115.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,843,952 km

• M1: 154,535 km (0.108 R)
• M2: 736,022 km (0.045 R)
• M3: 1,122,732 km (0.095 R)
• M4: 2,108,881 km (0.097 R)
• M5: 2,623,498 km (0.108 R)
• M6: 3,048,206 km (0.085 R)
• M7: 3,657,369 km (0.094 R)
• M8: 4,076,093 km (0.072 R)
• M9: 4,629,157 km (0.077 R)
• M10: 5,032,622 km (0.054 R)
• M11: 5,505,950 km (0.047 R)
• M12: 6,183,329 km (0.114 R)
• M13: 9,329,522 km (0.104 R)
• M14: 10,364,739 km (0.068 R)
• M15: 10,763,118 km (0.093 R)
• M16: 11,784,273 km (0.106 R)
• M17: 12,459,857 km (0.117 R)
• M18: 12,952,034 km (0.101 R)
• M19: 13,414,591 km (0.07 R)
• M20: 15,516,590 km (0.12 R)
• M21: 16,231,519 km (0.08 R)

Asteroid Belt

Center: 2.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.8

Radius: 14.2

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.92 AU - 3.86 AU

Year: 4095 Days

Day: 12.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,843,952 km

• M1: 178,021 km (0.09 R)
• M2: 717,172 km (0.115 R)
• M3: 1,266,645 km (0.074 R)
• M4: 1,824,795 km (0.05 R)
• M5: 3,923,952 km (0.12 R)
• M6: 4,721,608 km (0.026 R)
• M7: 5,701,025 km (0.113 R)
• M8: 6,198,887 km (0.118 R)
• M9: 7,744,233 km (0.079 R)
• M10: 14,009,093 km (0.093 R)
• M11: 18,850,080 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.6

Radius: 11.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.21 AU - 3.89 AU

Year: 4388 Days

Day: 5.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,843,952 km

• M1: 144,362 km (0.118 R)
• M2: 505,641 km (0.068 R)
• M3: 1,127,818 km (0.119 R)
• M4: 2,277,628 km (0.09 R)
• M5: 3,299,531 km (0.079 R)
• M6: 3,819,383 km (0.112 R)
• M7: 4,249,776 km (0.058 R)
• M8: 6,280,268 km (0.074 R)
• M9: 6,967,521 km (0.1 R)
• M10: 9,126,517 km (0.098 R)
• M11: 10,716,743 km (0.118 R)
• M12: 11,577,828 km (0.107 R)
• M13: 13,172,990 km (0.1 R)
• M14: 15,982,887 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.5

Radius: 9.6

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.23 AU - 3.93 AU

Year: 4444 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,843,952 km

• M1: 119,529 km (0.114 R)
• M2: 664,215 km (0.095 R)
• M3: 965,205 km (0.106 R)
• M4: 1,403,527 km (0.05 R)
• M5: 2,404,786 km (0.12 R)
• M6: 3,320,624 km (0.111 R)
• M7: 5,395,846 km (0.103 R)
• M8: 6,094,617 km (0.082 R)
• M9: 6,497,634 km (0.103 R)
• M10: 8,068,711 km (0.092 R)
• M11: 8,441,359 km (0.103 R)
• M12: 9,061,293 km (0.092 R)
• M13: 10,567,294 km (0.118 R)
• M14: 11,059,172 km (0.115 R)
• M15: 11,426,285 km (0.11 R)
• M16: 11,801,626 km (0.056 R)
• M17: 12,977,166 km (0.094 R)
• M18: 13,645,570 km (0.056 R)
• M19: 14,995,541 km (0.063 R)
• M20: 16,670,439 km (0.112 R)
• M21: 26,131,457 km (0.117 R)
• M22: 28,462,042 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.8

Radius: 8.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.74 AU - 5.24 AU

Year: 6241 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,843,952 km

• M1: 109,506 km (0.088 R)
• M2: 440,566 km (0.118 R)
• M3: 1,041,800 km (0.113 R)
• M4: 1,593,367 km (0.111 R)
• M5: 2,470,160 km (0.051 R)
• M6: 3,672,927 km (0.108 R)
• M7: 4,354,345 km (0.104 R)
• M8: 4,818,847 km (0.106 R)
• M9: 5,139,285 km (0.115 R)
• M10: 5,451,346 km (0.116 R)
• M11: 9,571,272 km (0.088 R)
• M12: 10,712,404 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.4

Radius: 10

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.74 AU - 5.82 AU

Year: 6856 Days

Day: 14.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,843,952 km

• M1: 124,465 km (0.039 R)
• M2: 661,971 km (0.108 R)
• M3: 1,287,290 km (0.086 R)
• M4: 2,618,561 km (0.046 R)
• M5: 3,402,155 km (0.077 R)
• M6: 3,880,120 km (0.118 R)
• M7: 4,267,578 km (0.096 R)
• M8: 5,120,735 km (0.09 R)
• M9: 5,943,075 km (0.041 R)
• M10: 6,255,285 km (0.099 R)
• M11: 8,190,633 km (0.108 R)
• M12: 8,794,560 km (0.101 R)
• M13: 10,495,637 km (0.093 R)
• M14: 11,165,387 km (0.113 R)
• M15: 11,730,418 km (0.119 R)
• M16: 12,544,081 km (0.032 R)
• M17: 13,107,167 km (0.066 R)
• M18: 15,054,034 km (0.103 R)
• M19: 16,123,808 km (0.073 R)
• M20: 17,415,885 km (0.084 R)
• M21: 20,718,856 km (0.074 R)
• M22: 21,109,905 km (0.083 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: 440 - 12,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit