🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.3

Radius: 14.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.12 AU - 1.52 AU

Year: 979 Days

Day: 11.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,180,321 km

• M1: 181,612 km (0.108 R)
• M2: 726,746 km (0.056 R)
• M3: 1,566,290 km (0.109 R)
• M4: 2,161,091 km (0.082 R)
• M5: 2,664,338 km (0.079 R)
• M6: 3,448,979 km (0.097 R)
• M7: 3,977,807 km (0.084 R)
• M8: 4,578,892 km (0.057 R)
• M9: 5,103,083 km (0.115 R)
• M10: 5,921,832 km (0.11 R)
• M11: 6,898,107 km (0.084 R)
• M12: 7,437,857 km (0.117 R)
• M13: 8,111,945 km (0.114 R)
• M14: 9,112,605 km (0.119 R)
• M15: 9,643,079 km (0.11 R)
• M16: 10,131,815 km (0.082 R)
• M17: 10,895,961 km (0.086 R)

Asteroid Belt

Center: 1.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.2

Radius: 14.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.59 AU - 2.59 AU

Year: 1951 Days

Day: 13.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,180,321 km

• M1: 186,549 km (0.052 R)
• M2: 658,231 km (0.076 R)
• M3: 1,361,640 km (0.089 R)
• M4: 2,122,644 km (0.114 R)
• M5: 3,495,953 km (0.06 R)
• M6: 4,386,359 km (0.057 R)
• M7: 4,917,731 km (0.076 R)
• M8: 5,988,702 km (0.111 R)
• M9: 9,629,166 km (0.054 R)
• M10: 10,143,484 km (0.098 R)
• M11: 12,347,808 km (0.045 R)
• M12: 13,414,291 km (0.11 R)
• M13: 13,883,730 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 14.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.28 AU - 4.26 AU

Year: 4726 Days

Day: 7.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,180,321 km

• M1: 186,100 km (0.088 R)
• M2: 765,792 km (0.113 R)
• M3: 1,425,369 km (0.113 R)
• M4: 1,957,787 km (0.114 R)
• M5: 2,473,002 km (0.062 R)
• M6: 3,041,175 km (0.094 R)
• M7: 3,806,967 km (0.107 R)
• M8: 5,725,859 km (0.07 R)
• M9: 7,962,047 km (0.117 R)
• M10: 9,296,909 km (0.073 R)
• M11: 10,325,843 km (0.084 R)
• M12: 11,765,873 km (0.099 R)
• M13: 14,476,736 km (0.087 R)
• M14: 15,622,506 km (0.076 R)
• M15: 17,264,342 km (0.085 R)
• M16: 17,836,405 km (0.095 R)
• M17: 18,355,659 km (0.116 R)
• M18: 19,697,701 km (0.081 R)
• M19: 20,533,804 km (0.114 R)
• M20: 22,652,409 km (0.089 R)
• M21: 24,274,947 km (0.049 R)
• M22: 27,149,620 km (0.089 R)
• M23: 29,788,526 km (0.07 R)
• M24: 30,336,204 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.7

Radius: 8.5

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.6 AU - 5.16 AU

Year: 6961 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 21,180,321 km

• M1: 105,766 km (0.068 R)
• M2: 489,484 km (0.102 R)
• M3: 759,658 km (0.113 R)
• M4: 1,031,777 km (0.112 R)
• M5: 1,311,225 km (0.093 R)
• M6: 1,669,662 km (0.059 R)
• M7: 3,133,028 km (0.092 R)
• M8: 3,445,987 km (0.063 R)
• M9: 3,730,821 km (0.051 R)
• M10: 4,267,429 km (0.051 R)
• M11: 4,652,943 km (0.111 R)
• M12: 5,399,436 km (0.055 R)
• M13: 5,752,337 km (0.051 R)
• M14: 7,554,094 km (0.108 R)
• M15: 8,078,285 km (0.075 R)
• M16: 8,713,029 km (0.053 R)
• M17: 9,064,883 km (0.117 R)
• M18: 10,129,721 km (0.087 R)
• M19: 10,617,709 km (0.047 R)
• M20: 11,019,379 km (0.115 R)
• M21: 11,960,350 km (0.107 R)
• M22: 13,882,383 km (0.05 R)
• M23: 17,482,456 km (0.118 R)
• M24: 18,399,341 km (0.095 R)
• M25: 22,718,082 km (0.053 R)
• M26: 26,828,134 km (0.092 R)
• M27: 28,429,131 km (0.059 R)
• M28: 29,302,034 km (0.089 R)
• M29: 31,101,248 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.9

Radius: 11.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.1 AU - 6.24 AU

Year: 7590 Days

Day: 5.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,180,321 km

• M1: 193,879 km (0.075 R)
• M2: 560,842 km (0.09 R)
• M3: 1,188,106 km (0.098 R)
• M4: 1,544,448 km (0.057 R)
• M5: 2,892,774 km (0.106 R)
• M6: 3,308,955 km (0.118 R)
• M7: 3,874,435 km (0.084 R)
• M8: 6,360,901 km (0.058 R)
• M9: 7,237,695 km (0.1 R)
• M10: 9,969,800 km (0.098 R)
• M11: 11,334,582 km (0.112 R)
• M12: 11,990,120 km (0.111 R)
• M13: 13,274,717 km (0.082 R)
• M14: 13,687,906 km (0.078 R)
• M15: 15,090,236 km (0.079 R)
• M16: 22,094,858 km (0.103 R)
• M17: 24,867,504 km (0.076 R)
• M18: 28,371,984 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.7

Radius: 4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.71 AU - 7.41 AU

Year: 9632 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,180,321 km

• M1: 55,052 km (0.114 R)
• M2: 259,702 km (0.063 R)
• M3: 465,698 km (0.087 R)
• M4: 592,258 km (0.118 R)
• M5: 1,085,781 km (0.12 R)
• M6: 1,352,066 km (0.07 R)
• M7: 1,604,138 km (0.108 R)
• M8: 1,765,255 km (0.107 R)
• M9: 2,612,577 km (0.115 R)
• M10: 2,936,008 km (0.032 R)
• M11: 3,249,266 km (0.039 R)
• M12: 6,931,169 km (0.062 R)
• M13: 8,337,688 km (0.089 R)
• M14: 9,107,668 km (0.093 R)
• M15: 12,351,548 km (0.078 R)
• M16: 17,712,687 km (0.116 R)
• M17: 18,052,424 km (0.091 R)
• M18: 18,281,309 km (0.103 R)
• M19: 19,215,996 km (0.107 R)
• M20: 19,514,593 km (0.098 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 16,578 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit