🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.98 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454

Radius: 10

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.69 AU - 2.21 AU

Year: 1847 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,229,454 km

• M1: 124,316 km (0.049 R)
• M2: 520,601 km (0.104 R)
• M3: 902,674 km (0.105 R)
• M4: 1,518,568 km (0.102 R)
• M5: 1,895,255 km (0.1 R)
• M6: 2,407,778 km (0.054 R)
• M7: 3,054,190 km (0.046 R)
• M8: 3,418,760 km (0.112 R)
• M9: 4,593,702 km (0.052 R)
• M10: 5,053,715 km (0.104 R)
• M11: 5,699,679 km (0.065 R)
• M12: 6,231,350 km (0.117 R)
• M13: 7,340,768 km (0.084 R)
• M14: 8,169,390 km (0.115 R)
• M15: 9,623,481 km (0.117 R)
• M16: 11,638,116 km (0.073 R)
• M17: 12,725,094 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.5

Radius: 9.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.19 AU - 2.25 AU

Year: 2243 Days

Day: 11.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,229,454 km

• M1: 115,789 km (0.119 R)
• M2: 439,219 km (0.055 R)
• M3: 994,975 km (0.106 R)
• M4: 1,483,113 km (0.044 R)
• M5: 1,857,706 km (0.118 R)
• M6: 2,497,985 km (0.03 R)
• M7: 2,993,154 km (0.033 R)
• M8: 3,363,409 km (0.087 R)
• M9: 3,672,329 km (0.057 R)
• M10: 4,229,880 km (0.1 R)
• M11: 6,158,346 km (0.115 R)
• M12: 6,487,910 km (0.116 R)
• M13: 8,369,702 km (0.11 R)

Asteroid Belt

Center: 2.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.5

Radius: 13.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.11 AU - 3.59 AU

Year: 4159 Days

Day: 12.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,229,454 km

• M1: 179,218 km (0.056 R)
• M2: 1,854,864 km (0.12 R)
• M3: 2,500,379 km (0.071 R)
• M4: 3,292,200 km (0.085 R)
• M5: 3,757,599 km (0.116 R)
• M6: 5,325,834 km (0.091 R)
• M7: 6,271,292 km (0.053 R)
• M8: 6,726,219 km (0.098 R)
• M9: 7,233,655 km (0.108 R)
• M10: 7,670,631 km (0.055 R)
• M11: 16,273,705 km (0.114 R)
• M12: 16,809,415 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.9

Radius: 12.7

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.96 AU - 4.74 AU

Year: 5124 Days

Day: 12.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,229,454 km

• M1: 190,438 km (0.119 R)
• M2: 642,523 km (0.101 R)
• M3: 2,162,437 km (0.101 R)
• M4: 2,952,314 km (0.112 R)
• M5: 3,862,467 km (0.098 R)
• M6: 4,280,145 km (0.093 R)
• M7: 5,944,870 km (0.102 R)
• M8: 6,595,920 km (0.035 R)
• M9: 9,768,143 km (0.114 R)
• M10: 10,804,257 km (0.03 R)
• M11: 12,143,009 km (0.086 R)
• M12: 17,704,010 km (0.077 R)
• M13: 23,151,766 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.8

Radius: 14.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.36 AU - 4.48 AU

Year: 6303 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 98.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,229,454 km

• M1: 185,352 km (0.096 R)
• M2: 1,086,978 km (0.062 R)
• M3: 1,707,061 km (0.112 R)
• M4: 2,392,968 km (0.115 R)
• M5: 3,299,979 km (0.116 R)
• M6: 3,822,974 km (0.102 R)
• M7: 5,263,900 km (0.111 R)
• M8: 6,204,422 km (0.119 R)
• M9: 7,042,320 km (0.105 R)
• M10: 7,766,074 km (0.106 R)
• M11: 9,490,938 km (0.094 R)
• M12: 10,558,618 km (0.051 R)
• M13: 11,026,560 km (0.037 R)
• M14: 11,704,986 km (0.111 R)
• M15: 12,617,982 km (0.088 R)
• M16: 13,092,058 km (0.067 R)
• M17: 14,132,062 km (0.118 R)
• M18: 14,991,651 km (0.108 R)
• M19: 15,885,798 km (0.063 R)
• M20: 16,376,928 km (0.08 R)
• M21: 17,911,951 km (0.08 R)
• M22: 20,753,413 km (0.1 R)
• M23: 23,723,679 km (0.102 R)
• M24: 26,108,718 km (0.086 R)
• M25: 26,880,493 km (0.077 R)
• M26: 28,559,430 km (0.102 R)
• M27: 30,779,014 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.4

Radius: 13.1

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.71 AU - 5.49 AU

Year: 6692 Days

Day: 6.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,229,454 km

• M1: 165,006 km (0.074 R)
• M2: 579,841 km (0.078 R)
• M3: 1,304,793 km (0.098 R)
• M4: 1,967,062 km (0.04 R)
• M5: 3,644,055 km (0.098 R)
• M6: 4,295,254 km (0.085 R)
• M7: 4,763,196 km (0.069 R)
• M8: 5,375,201 km (0.093 R)
• M9: 5,979,277 km (0.11 R)
• M10: 6,757,336 km (0.108 R)
• M11: 7,289,904 km (0.112 R)
• M12: 8,178,366 km (0.095 R)
• M13: 13,272,024 km (0.08 R)
• M14: 14,487,058 km (0.048 R)
• M15: 16,655,030 km (0.085 R)
• M16: 20,575,242 km (0.089 R)
• M17: 22,859,751 km (0.101 R)
• M18: 24,063,266 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.1

Radius: 8

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.7 AU - 8 AU

Year: 12160 Days

Day: 15.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,229,454 km

• M1: 99,782 km (0.112 R)
• M2: 625,170 km (0.118 R)
• M3: 1,205,908 km (0.104 R)
• M4: 1,643,183 km (0.082 R)
• M5: 2,260,424 km (0.042 R)
• M6: 2,722,083 km (0.116 R)
• M7: 3,477,702 km (0.119 R)
• M8: 4,715,474 km (0.085 R)
• M9: 6,302,558 km (0.104 R)
• M10: 6,584,550 km (0.074 R)
• M11: 7,797,639 km (0.075 R)
• M12: 9,102,282 km (0.11 R)
• M13: 9,462,963 km (0.052 R)
• M14: 11,530,705 km (0.077 R)
• M15: 15,568,501 km (0.068 R)
• M16: 16,309,758 km (0.073 R)
• M17: 16,996,712 km (0.077 R)
• M18: 17,465,252 km (0.097 R)
• M19: 19,426,480 km (0.025 R)
• M20: 21,986,399 km (0.098 R)
• M21: 22,449,554 km (0.094 R)
• M22: 27,657,954 km (0.096 R)
• M23: 28,306,311 km (0.094 R)
• M24: 31,350,179 km (0.118 R)
• M25: 33,374,687 km (0.049 R)
• M26: 34,480,963 km (0.106 R)
• M27: 36,250,257 km (0.109 R)
• M28: 39,422,779 km (0.038 R)
• M29: 41,920,315 km (0.04 R)
• M30: 46,011,817 km (0.1 R)
• M31: 46,617,240 km (0.071 R)
• M32: 48,309,640 km (0.088 R)
• M33: 50,361,974 km (0.096 R)
• M34: 52,307,344 km (0.099 R)
• M35: 59,332,011 km (0.116 R)
• M36: 60,049,184 km (0.098 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: 155 - 14,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit