🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.1

Radius: 12.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.68 AU - 0.76 AU

Year: 407 Days

Day: 14.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,056,264 km

• M1: 160,369 km (0.109 R)
• M2: 620,532 km (0.049 R)
• M3: 1,055,862 km (0.109 R)
• M4: 1,703,920 km (0.107 R)
• M5: 2,331,782 km (0.043 R)
• M6: 3,072,142 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.7

Radius: 15

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.77 AU - 0.89 AU

Year: 504 Days

Day: 11.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,056,264 km

• M1: 186,549 km (0.097 R)
• M2: 845,527 km (0.037 R)
• M3: 1,587,084 km (0.081 R)
• M4: 2,178,743 km (0.064 R)
• M5: 3,139,461 km (0.098 R)
• M6: 3,631,339 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.3

Radius: 10

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.16 AU - 1.52 AU

Year: 1034 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,056,264 km

• M1: 124,465 km (0.084 R)
• M2: 446,998 km (0.12 R)
• M3: 782,846 km (0.094 R)
• M4: 1,134,999 km (0.09 R)
• M5: 1,690,606 km (0.065 R)
• M6: 2,326,097 km (0.117 R)
• M7: 2,739,885 km (0.037 R)
• M8: 3,076,031 km (0.109 R)
• M9: 3,426,240 km (0.081 R)
• M10: 3,745,482 km (0.102 R)
• M11: 4,115,288 km (0.112 R)
• M12: 4,509,329 km (0.07 R)
• M13: 4,859,687 km (0.081 R)
• M14: 6,081,602 km (0.092 R)
• M15: 6,615,367 km (0.101 R)
• M16: 7,135,519 km (0.087 R)
• M17: 7,776,696 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.5

Radius: 11.8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.99 AU - 2.87 AU

Year: 2526 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,056,264 km

• M1: 146,756 km (0.11 R)
• M2: 533,017 km (0.092 R)
• M3: 1,236,875 km (0.091 R)
• M4: 1,625,830 km (0.101 R)
• M5: 2,226,316 km (0.112 R)
• M6: 3,446,137 km (0.072 R)
• M7: 4,380,226 km (0.04 R)
• M8: 4,998,813 km (0.102 R)
• M9: 7,480,342 km (0.043 R)
• M10: 8,365,812 km (0.048 R)
• M11: 9,390,558 km (0.083 R)
• M12: 10,269,295 km (0.052 R)
• M13: 10,845,696 km (0.117 R)
• M14: 11,688,979 km (0.107 R)
• M15: 12,836,694 km (0.065 R)
• M16: 13,280,401 km (0.084 R)
• M17: 15,604,255 km (0.045 R)
• M18: 18,021,457 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 13

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.93 AU - 3.57 AU

Year: 3907 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,056,264 km

• M1: 161,715 km (0.083 R)
• M2: 582,385 km (0.103 R)
• M3: 995,574 km (0.099 R)
• M4: 1,535,921 km (0.103 R)
• M5: 2,876,917 km (0.06 R)
• M6: 3,801,581 km (0.099 R)
• M7: 4,661,619 km (0.11 R)
• M8: 6,451,259 km (0.116 R)
• M9: 6,897,359 km (0.103 R)
• M10: 7,432,471 km (0.08 R)
• M11: 9,608,522 km (0.102 R)
• M12: 12,373,240 km (0.115 R)
• M13: 15,181,491 km (0.045 R)
• M14: 15,687,730 km (0.102 R)
• M15: 17,335,102 km (0.109 R)
• M16: 19,421,693 km (0.115 R)
• M17: 20,902,562 km (0.112 R)
• M18: 24,012,553 km (0.025 R)
• M19: 24,546,467 km (0.047 R)
• M20: 26,115,749 km (0.088 R)
• M21: 27,834,629 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 9.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.55 AU - 4.19 AU

Year: 4125 Days

Day: 13.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,056,264 km

• M1: 124,914 km (0.028 R)
• M2: 466,147 km (0.047 R)
• M3: 1,346,979 km (0.075 R)
• M4: 2,000,572 km (0.078 R)
• M5: 3,517,794 km (0.112 R)
• M6: 6,310,038 km (0.116 R)
• M7: 6,688,820 km (0.11 R)
• M8: 7,082,562 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.6

Radius: 6.5

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.95 AU - 7.91 AU

Year: 13506 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,056,264 km

• M1: 80,783 km (0.103 R)
• M2: 296,952 km (0.119 R)
• M3: 601,982 km (0.06 R)
• M4: 965,804 km (0.114 R)
• M5: 1,268,141 km (0.103 R)
• M6: 2,689,471 km (0.117 R)
• M7: 2,937,653 km (0.116 R)
• M8: 3,409,186 km (0.095 R)
• M9: 3,776,000 km (0.088 R)
• M10: 4,417,326 km (0.094 R)
• M11: 5,035,913 km (0.056 R)
• M12: 6,122,592 km (0.044 R)
• M13: 6,407,875 km (0.069 R)
• M14: 7,598,674 km (0.094 R)
• M15: 8,310,760 km (0.062 R)
• M16: 9,484,804 km (0.075 R)
• M17: 11,826,160 km (0.06 R)
• M18: 16,020,436 km (0.107 R)
• M19: 17,047,874 km (0.118 R)
• M20: 17,828,625 km (0.059 R)
• M21: 20,392,583 km (0.05 R)
• M22: 22,596,310 km (0.092 R)
• M23: 22,850,476 km (0.111 R)
• M24: 23,537,879 km (0.108 R)
• M25: 26,331,918 km (0.065 R)
• M26: 36,722,837 km (0.094 R)
• M27: 39,844,794 km (0.086 R)
• M28: 41,217,205 km (0.11 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: 382 - 17,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit