🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 14.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.02 AU - 1.16 AU

Year: 786 Days

Day: 10.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,869,947 km

• M1: 184,454 km (0.119 R)
• M2: 651,648 km (0.114 R)
• M3: 1,205,011 km (0.084 R)
• M4: 1,735,634 km (0.089 R)
• M5: 2,775,639 km (0.09 R)
• M6: 3,291,004 km (0.095 R)
• M7: 4,032,859 km (0.113 R)
• M8: 4,884,370 km (0.107 R)
• M9: 5,764,604 km (0.073 R)
• M10: 6,308,393 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.8

Radius: 8.9

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.29 AU - 1.75 AU

Year: 1294 Days

Day: 6.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,869,947 km

• M1: 112,498 km (0.098 R)
• M2: 413,189 km (0.081 R)
• M3: 713,731 km (0.088 R)
• M4: 1,160,431 km (0.051 R)
• M5: 1,599,351 km (0.092 R)
• M6: 2,176,350 km (0.081 R)
• M7: 2,910,875 km (0.068 R)
• M8: 3,194,064 km (0.112 R)
• M9: 3,639,267 km (0.104 R)
• M10: 4,189,040 km (0.089 R)
• M11: 4,534,611 km (0.108 R)
• M12: 4,846,073 km (0.067 R)
• M13: 5,302,197 km (0.083 R)
• M14: 5,707,308 km (0.107 R)
• M15: 6,195,446 km (0.105 R)
• M16: 7,093,781 km (0.093 R)
• M17: 7,731,068 km (0.097 R)
• M18: 8,126,456 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 11.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.94 AU - 2.46 AU

Year: 2252 Days

Day: 14.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,869,947 km

• M1: 147,952 km (0.083 R)
• M2: 616,792 km (0.11 R)
• M3: 1,965,716 km (0.099 R)
• M4: 2,701,139 km (0.099 R)
• M5: 3,098,770 km (0.059 R)
• M6: 3,737,553 km (0.106 R)
• M7: 6,282,662 km (0.085 R)
• M8: 9,330,569 km (0.078 R)
• M9: 10,958,642 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.4

Radius: 10.2

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.9 AU - 2.64 AU

Year: 2361 Days

Day: 10.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,869,947 km

• M1: 128,804 km (0.099 R)
• M2: 520,750 km (0.111 R)
• M3: 1,011,581 km (0.033 R)
• M4: 1,355,806 km (0.111 R)
• M5: 2,174,106 km (0.048 R)
• M6: 2,897,711 km (0.112 R)
• M7: 3,232,212 km (0.097 R)
• M8: 3,608,899 km (0.113 R)
• M9: 3,979,902 km (0.049 R)
• M10: 4,302,285 km (0.078 R)
• M11: 4,818,847 km (0.11 R)
• M12: 5,771,486 km (0.055 R)
• M13: 6,304,802 km (0.109 R)
• M14: 7,100,962 km (0.071 R)
• M15: 9,636,796 km (0.1 R)
• M16: 10,221,574 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.9

Radius: 12.5

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.07 AU - 3.09 AU

Year: 3731 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 60.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,869,947 km

• M1: 155,582 km (0.098 R)
• M2: 569,070 km (0.075 R)
• M3: 1,053,319 km (0.114 R)
• M4: 1,767,499 km (0.087 R)
• M5: 2,293,635 km (0.054 R)
• M6: 2,751,554 km (0.108 R)
• M7: 3,625,056 km (0.119 R)
• M8: 4,651,147 km (0.099 R)
• M9: 5,918,989 km (0.11 R)
• M10: 7,141,503 km (0.074 R)
• M11: 8,128,550 km (0.1 R)
• M12: 9,204,159 km (0.115 R)
• M13: 10,498,928 km (0.04 R)
• M14: 11,058,275 km (0.041 R)
• M15: 12,905,210 km (0.08 R)
• M16: 13,298,054 km (0.107 R)
• M17: 15,492,954 km (0.048 R)
• M18: 22,723,318 km (0.108 R)
• M19: 23,224,770 km (0.118 R)
• M20: 25,766,438 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.2

Radius: 13.2

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.9 AU - 4.12 AU

Year: 4539 Days

Day: 6 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,869,947 km

• M1: 172,038 km (0.102 R)
• M2: 647,460 km (0.051 R)
• M3: 1,494,333 km (0.111 R)
• M4: 2,074,025 km (0.11 R)
• M5: 2,785,662 km (0.074 R)
• M6: 3,269,761 km (0.085 R)
• M7: 4,217,164 km (0.095 R)
• M8: 5,746,952 km (0.111 R)
• M9: 7,095,128 km (0.096 R)
• M10: 7,779,538 km (0.09 R)
• M11: 8,923,363 km (0.102 R)
• M12: 10,805,305 km (0.103 R)
• M13: 11,882,559 km (0.072 R)
• M14: 14,444,422 km (0.085 R)
• M15: 14,937,946 km (0.111 R)
• M16: 16,168,388 km (0.114 R)
• M17: 17,856,600 km (0.109 R)
• M18: 18,714,245 km (0.108 R)
• M19: 19,539,576 km (0.068 R)
• M20: 19,961,143 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.8

Radius: 11.6

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.35 AU - 4.97 AU

Year: 5857 Days

Day: 11.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,869,947 km

• M1: 144,212 km (0.081 R)
• M2: 608,863 km (0.119 R)
• M3: 1,262,008 km (0.103 R)
• M4: 1,794,426 km (0.111 R)
• M5: 2,269,998 km (0.107 R)
• M6: 2,706,824 km (0.084 R)
• M7: 3,861,420 km (0.112 R)
• M8: 4,391,595 km (0.069 R)
• M9: 4,996,419 km (0.103 R)
• M10: 5,401,979 km (0.088 R)
• M11: 5,977,183 km (0.11 R)
• M12: 7,879,170 km (0.089 R)
• M13: 8,355,490 km (0.072 R)
• M14: 8,851,108 km (0.054 R)
• M15: 12,151,985 km (0.06 R)
• M16: 13,448,101 km (0.118 R)
• M17: 13,917,688 km (0.084 R)
• M18: 15,167,429 km (0.109 R)
• M19: 15,562,218 km (0.051 R)
• M20: 17,826,830 km (0.062 R)
• M21: 18,585,441 km (0.075 R)
• M22: 19,037,825 km (0.045 R)
• M23: 20,576,290 km (0.103 R)
• M24: 24,588,804 km (0.093 R)
• M25: 26,492,736 km (0.039 R)
• M26: 28,835,887 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696

Radius: 7.6

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.51 AU - 12.19 AU

Year: 21339 Days

Day: 24.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,869,947 km

• M1: 94,995 km (0.113 R)
• M2: 374,743 km (0.087 R)
• M3: 1,116,599 km (0.095 R)
• M4: 1,496,577 km (0.073 R)
• M5: 2,357,962 km (0.112 R)
• M6: 2,635,765 km (0.032 R)
• M7: 3,544,273 km (0.097 R)
• M8: 4,037,946 km (0.119 R)
• M9: 4,718,317 km (0.077 R)
• M10: 6,132,466 km (0.06 R)
• M11: 9,027,783 km (0.055 R)
• M12: 11,118,563 km (0.096 R)
• M13: 11,506,769 km (0.071 R)
• M14: 15,339,766 km (0.094 R)
• M15: 23,980,688 km (0.093 R)
• M16: 24,629,195 km (0.109 R)
• M17: 31,900,100 km (0.064 R)
• M18: 33,214,168 km (0.069 R)
• M19: 34,291,123 km (0.051 R)
• M20: 37,372,690 km (0.093 R)
• M21: 66,566,415 km (0.085 R)
• M22: 67,631,701 km (0.057 R)
• M23: 68,060,898 km (0.113 R)
• M24: 68,492,039 km (0.075 R)
• M25: 69,796,083 km (0.04 R)
• M26: 70,454,314 km (0.119 R)
• M27: 76,566,135 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 13,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit