🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.7

Radius: 12.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.03 AU - 1.45 AU

Year: 906 Days

Day: 9.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,916,055 km

• M1: 154,684 km (0.104 R)
• M2: 416,630 km (0.08 R)
• M3: 658,380 km (0.102 R)
• M4: 1,060,948 km (0.096 R)
• M5: 1,614,460 km (0.048 R)
• M6: 2,170,665 km (0.111 R)
• M7: 2,726,272 km (0.04 R)
• M8: 4,062,181 km (0.103 R)
• M9: 5,190,448 km (0.115 R)
• M10: 5,494,879 km (0.11 R)
• M11: 5,981,671 km (0.076 R)
• M12: 7,328,650 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.4

Radius: 8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.33 AU - 2.93 AU

Year: 2798 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,916,055 km

• M1: 107,561 km (0.118 R)
• M2: 273,465 km (0.115 R)
• M3: 734,077 km (0.117 R)
• M4: 1,465,162 km (0.114 R)
• M5: 2,673,912 km (0.074 R)
• M6: 4,186,197 km (0.094 R)
• M7: 4,386,210 km (0.117 R)
• M8: 5,882,787 km (0.116 R)
• M9: 8,449,138 km (0.088 R)
• M10: 9,090,763 km (0.071 R)
• M11: 9,386,070 km (0.114 R)
• M12: 10,228,904 km (0.044 R)
• M13: 10,983,924 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.7

Radius: 11.6

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.23 AU - 3.21 AU

Year: 2943 Days

Day: 9.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,916,055 km

• M1: 154,535 km (0.089 R)
• M2: 401,969 km (0.07 R)
• M3: 750,233 km (0.093 R)
• M4: 1,006,046 km (0.119 R)
• M5: 1,359,545 km (0.104 R)
• M6: 1,617,003 km (0.056 R)
• M7: 2,123,841 km (0.068 R)
• M8: 2,493,497 km (0.108 R)
• M9: 2,991,658 km (0.089 R)
• M10: 3,396,769 km (0.082 R)
• M11: 4,752,874 km (0.09 R)
• M12: 5,242,657 km (0.106 R)
• M13: 6,153,409 km (0.048 R)
• M14: 6,986,370 km (0.095 R)
• M15: 7,293,345 km (0.119 R)
• M16: 9,600,294 km (0.077 R)
• M17: 10,482,323 km (0.065 R)
• M18: 11,566,459 km (0.098 R)
• M19: 14,586,840 km (0.026 R)
• M20: 18,954,050 km (0.118 R)
• M21: 20,800,537 km (0.109 R)
• M22: 23,241,974 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.4

Radius: 12.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.46 AU - 3.28 AU

Year: 3190 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,916,055 km

• M1: 792,270 km (0.081 R)
• M2: 1,594,414 km (0.106 R)
• M3: 2,234,693 km (0.112 R)
• M4: 2,635,615 km (0.1 R)
• M5: 3,738,002 km (0.108 R)
• M6: 4,526,682 km (0.074 R)
• M7: 4,984,751 km (0.114 R)
• M8: 5,769,840 km (0.041 R)
• M9: 6,057,367 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.6

Radius: 14.2

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.11 AU - 4.09 AU

Year: 4481 Days

Day: 12.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,916,055 km

• M1: 310,864 km (0.056 R)
• M2: 815,009 km (0.043 R)
• M3: 1,243,757 km (0.094 R)
• M4: 1,618,499 km (0.034 R)
• M5: 1,895,704 km (0.12 R)
• M6: 2,772,946 km (0.036 R)
• M7: 3,140,807 km (0.119 R)
• M8: 3,420,855 km (0.081 R)
• M9: 3,746,679 km (0.061 R)
• M10: 4,175,875 km (0.099 R)
• M11: 5,609,771 km (0.068 R)
• M12: 6,179,589 km (0.113 R)
• M13: 6,755,241 km (0.112 R)
• M14: 7,595,832 km (0.118 R)
• M15: 8,134,235 km (0.107 R)
• M16: 10,056,418 km (0.101 R)
• M17: 12,432,181 km (0.12 R)
• M18: 12,963,254 km (0.089 R)
• M19: 19,085,098 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.1

Radius: 6.6

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.91 AU - 9.63 AU

Year: 14208 Days

Day: 23.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,916,055 km

• M1: 110,553 km (0.111 R)
• M2: 376,987 km (0.071 R)
• M3: 631,303 km (0.079 R)
• M4: 1,167,761 km (0.088 R)
• M5: 1,375,552 km (0.117 R)
• M6: 1,787,994 km (0.116 R)
• M7: 2,594,027 km (0.101 R)
• M8: 3,863,066 km (0.103 R)
• M9: 5,492,486 km (0.111 R)
• M10: 5,769,092 km (0.094 R)
• M11: 7,897,720 km (0.084 R)
• M12: 8,271,266 km (0.059 R)
• M13: 8,913,340 km (0.099 R)
• M14: 9,265,643 km (0.07 R)
• M15: 9,489,442 km (0.102 R)
• M16: 11,082,061 km (0.06 R)
• M17: 13,542,347 km (0.063 R)
• M18: 14,922,088 km (0.118 R)
• M19: 23,535,335 km (0.078 R)
• M20: 25,939,224 km (0.079 R)
• M21: 30,367,769 km (0.054 R)
• M22: 34,454,334 km (0.079 R)
• M23: 34,799,307 km (0.084 R)
• M24: 39,995,739 km (0.075 R)
• M25: 40,367,340 km (0.115 R)
• M26: 42,538,155 km (0.118 R)
• M27: 46,249,678 km (0.118 R)
• M28: 53,065,207 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.2

Radius: 5.9

Gravity: 19.94 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.05 AU - 10.55 AU

Year: 17125 Days

Day: 24.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,916,055 km

• M1: 618,737 km (0.115 R)
• M2: 906,413 km (0.114 R)
• M3: 1,663,977 km (0.074 R)
• M4: 2,429,469 km (0.052 R)
• M5: 3,683,548 km (0.116 R)
• M6: 4,138,475 km (0.092 R)
• M7: 6,991,307 km (0.093 R)
• M8: 9,651,456 km (0.066 R)
• M9: 11,758,991 km (0.113 R)
• M10: 12,275,104 km (0.043 R)
• M11: 12,802,436 km (0.108 R)
• M12: 14,138,196 km (0.112 R)
• M13: 14,640,545 km (0.081 R)
• M14: 15,410,376 km (0.076 R)
• M15: 17,909,259 km (0.048 R)
• M16: 18,831,829 km (0.102 R)
• M17: 21,278,652 km (0.105 R)
• M18: 22,518,967 km (0.089 R)
• M19: 23,072,629 km (0.067 R)
• M20: 23,311,986 km (0.062 R)
• M21: 28,624,954 km (0.106 R)
• M22: 29,879,781 km (0.07 R)
• M23: 32,754,454 km (0.102 R)
• M24: 35,662,337 km (0.086 R)
• M25: 40,784,269 km (0.096 R)
• M26: 45,241,089 km (0.087 R)
• M27: 46,476,169 km (0.112 R)
• M28: 47,384,826 km (0.066 R)
• M29: 47,499,119 km (0.083 R)
• M30: 47,957,337 km (0.101 R)
• M31: 55,835,909 km (0.085 R)
• M32: 57,332,935 km (0.108 R)
• M33: 62,859,679 km (0.098 R)
• M34: 64,981,126 km (0.102 R)
• M35: 66,730,673 km (0.073 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: 282 - 17,278 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit