🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.9

Radius: 11.6

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.78 AU - 1.24 AU

Year: 701 Days

Day: 14.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,650,505 km

• M1: 144,362 km (0.114 R)
• M2: 523,443 km (0.058 R)
• M3: 936,034 km (0.078 R)
• M4: 1,431,352 km (0.105 R)
• M5: 1,888,224 km (0.116 R)
• M6: 2,517,134 km (0.063 R)
• M7: 3,605,907 km (0.08 R)
• M8: 4,241,548 km (0.064 R)
• M9: 5,108,468 km (0.114 R)
• M10: 5,546,790 km (0.088 R)
• M11: 5,911,509 km (0.033 R)
• M12: 6,689,568 km (0.073 R)
• M13: 7,465,383 km (0.03 R)
• M14: 7,839,527 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.3

Radius: 13.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.4 AU - 1.48 AU

Year: 1193 Days

Day: 7.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,650,505 km

• M1: 170,392 km (0.029 R)
• M2: 741,557 km (0.106 R)
• M3: 1,677,740 km (0.083 R)
• M4: 2,306,650 km (0.108 R)
• M5: 2,898,758 km (0.117 R)
• M6: 3,960,753 km (0.092 R)
• M7: 5,068,077 km (0.072 R)
• M8: 5,965,963 km (0.106 R)
• M9: 7,090,789 km (0.088 R)
• M10: 7,625,602 km (0.099 R)
• M11: 9,184,561 km (0.079 R)
• M12: 9,883,183 km (0.067 R)
• M13: 10,980,484 km (0.093 R)
• M14: 11,838,128 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 12.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.5 AU - 1.54 AU

Year: 1294 Days

Day: 8.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,650,505 km

• M1: 162,014 km (0.119 R)
• M2: 582,085 km (0.108 R)
• M3: 1,037,910 km (0.081 R)
• M4: 1,564,345 km (0.101 R)
• M5: 2,425,729 km (0.101 R)
• M6: 4,292,412 km (0.114 R)
• M7: 5,389,114 km (0.076 R)
• M8: 6,522,467 km (0.102 R)
• M9: 6,996,992 km (0.084 R)
• M10: 7,450,273 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268

Radius: 13.3

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.54 AU - 3.1 AU

Year: 3269 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,650,505 km

• M1: 165,455 km (0.1 R)
• M2: 588,219 km (0.107 R)
• M3: 1,149,959 km (0.114 R)
• M4: 1,626,578 km (0.113 R)
• M5: 2,211,805 km (0.111 R)
• M6: 2,758,884 km (0.06 R)
• M7: 3,378,967 km (0.107 R)
• M8: 3,959,257 km (0.09 R)
• M9: 5,552,475 km (0.084 R)
• M10: 6,060,210 km (0.084 R)
• M11: 6,572,582 km (0.11 R)
• M12: 7,921,357 km (0.083 R)
• M13: 8,566,572 km (0.116 R)
• M14: 9,616,899 km (0.078 R)
• M15: 10,751,449 km (0.116 R)
• M16: 12,699,962 km (0.114 R)
• M17: 13,671,450 km (0.028 R)
• M18: 15,197,348 km (0.094 R)
• M19: 15,953,416 km (0.114 R)
• M20: 16,635,582 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.3

Radius: 10.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.12 AU - 3.34 AU

Year: 4007 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,650,505 km

• M1: 129,552 km (0.04 R)
• M2: 503,247 km (0.053 R)
• M3: 1,152,203 km (0.066 R)
• M4: 1,571,675 km (0.096 R)
• M5: 2,259,676 km (0.109 R)
• M6: 3,536,194 km (0.1 R)
• M7: 4,415,082 km (0.118 R)
• M8: 4,827,374 km (0.069 R)
• M9: 5,313,118 km (0.08 R)
• M10: 6,168,369 km (0.117 R)
• M11: 6,601,604 km (0.082 R)
• M12: 8,055,845 km (0.087 R)
• M13: 8,673,685 km (0.081 R)
• M14: 9,463,561 km (0.106 R)
• M15: 10,338,110 km (0.108 R)
• M16: 11,872,835 km (0.075 R)
• M17: 12,759,651 km (0.102 R)
• M18: 13,419,527 km (0.058 R)
• M19: 13,826,434 km (0.069 R)
• M20: 14,334,767 km (0.096 R)
• M21: 16,648,897 km (0.12 R)
• M22: 17,383,721 km (0.118 R)
• M23: 18,140,088 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.2

Radius: 11.4

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.77 AU - 3.83 AU

Year: 4138 Days

Day: 14.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,650,505 km

• M1: 141,819 km (0.095 R)
• M2: 585,077 km (0.084 R)
• M3: 1,121,535 km (0.116 R)
• M4: 1,493,884 km (0.09 R)
• M5: 3,420,555 km (0.089 R)
• M6: 4,716,522 km (0.117 R)
• M7: 5,872,165 km (0.097 R)
• M8: 6,692,410 km (0.097 R)
• M9: 10,916,905 km (0.06 R)
• M10: 11,461,142 km (0.075 R)
• M11: 12,695,025 km (0.097 R)
• M12: 13,533,671 km (0.065 R)
• M13: 19,239,633 km (0.106 R)
• M14: 21,952,141 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821

Radius: 5.9

Gravity: 23.59 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.93 AU - 6.49 AU

Year: 10682 Days

Day: 21.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 25,650,505 km

• M1: 75,098 km (0.115 R)
• M2: 944,112 km (0.061 R)
• M3: 1,409,810 km (0.105 R)
• M4: 4,037,946 km (0.098 R)
• M5: 5,554,419 km (0.081 R)
• M6: 6,362,547 km (0.081 R)
• M7: 6,635,414 km (0.079 R)
• M8: 8,118,527 km (0.1 R)
• M9: 8,913,041 km (0.061 R)
• M10: 9,404,021 km (0.093 R)
• M11: 10,930,069 km (0.058 R)
• M12: 11,897,519 km (0.094 R)
• M13: 15,141,100 km (0.096 R)
• M14: 16,053,348 km (0.088 R)
• M15: 17,076,148 km (0.073 R)
• M16: 20,236,852 km (0.076 R)
• M17: 20,572,998 km (0.105 R)
• M18: 23,488,960 km (0.079 R)
• M19: 26,870,620 km (0.075 R)
• M20: 27,378,804 km (0.054 R)
• M21: 28,100,913 km (0.116 R)
• M22: 31,340,156 km (0.051 R)
• M23: 35,181,230 km (0.115 R)
• M24: 37,151,883 km (0.089 R)
• M25: 41,446,090 km (0.114 R)
• M26: 42,397,682 km (0.115 R)
• M27: 45,053,792 km (0.076 R)
• M28: 47,522,606 km (0.096 R)
• M29: 48,715,051 km (0.109 R)
• M30: 49,927,242 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41

Radius: 7.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.87 AU - 9.39 AU

Year: 16001 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,650,505 km

• M1: 100,679 km (0.114 R)
• M2: 347,217 km (0.101 R)
• M3: 630,555 km (0.08 R)
• M4: 938,577 km (0.102 R)
• M5: 2,406,731 km (0.099 R)
• M6: 2,884,546 km (0.077 R)
• M7: 3,193,017 km (0.06 R)
• M8: 3,443,743 km (0.067 R)
• M9: 3,984,988 km (0.077 R)
• M10: 7,374,277 km (0.106 R)
• M11: 8,710,037 km (0.065 R)
• M12: 17,391,351 km (0.095 R)
• M13: 18,354,312 km (0.071 R)
• M14: 18,849,033 km (0.082 R)
• M15: 23,274,736 km (0.098 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: 196 - 16,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit