🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.2

Radius: 12.3

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.16 AU - 1.5 AU

Year: 1006 Days

Day: 8.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,078,394 km

• M1: 153,039 km (0.071 R)
• M2: 574,456 km (0.113 R)
• M3: 1,034,320 km (0.119 R)
• M4: 1,433,297 km (0.059 R)
• M5: 1,853,518 km (0.111 R)
• M6: 3,612,789 km (0.067 R)
• M7: 4,990,884 km (0.118 R)
• M8: 6,230,153 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.6

Radius: 13.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.64 AU - 2.58 AU

Year: 2011 Days

Day: 5.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,078,394 km

• M1: 184,604 km (0.114 R)
• M2: 983,606 km (0.103 R)
• M3: 1,818,063 km (0.078 R)
• M4: 3,966,887 km (0.098 R)
• M5: 4,770,975 km (0.098 R)
• M6: 6,113,317 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.1

Radius: 8.7

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.78 AU - 3.46 AU

Year: 3615 Days

Day: 10.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,078,394 km

• M1: 114,293 km (0.031 R)
• M2: 511,774 km (0.099 R)
• M3: 892,501 km (0.1 R)
• M4: 1,364,033 km (0.11 R)
• M5: 3,183,891 km (0.073 R)
• M6: 3,677,116 km (0.111 R)
• M7: 5,043,692 km (0.065 R)
• M8: 5,631,013 km (0.068 R)
• M9: 6,413,410 km (0.089 R)
• M10: 7,668,836 km (0.06 R)
• M11: 8,121,668 km (0.108 R)
• M12: 12,316,991 km (0.1 R)
• M13: 16,250,218 km (0.044 R)
• M14: 17,888,614 km (0.06 R)
• M15: 18,561,356 km (0.114 R)
• M16: 19,124,293 km (0.112 R)
• M17: 20,681,158 km (0.088 R)
• M18: 21,354,198 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 9.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.42 AU - 3.98 AU

Year: 3755 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,078,394 km

• M1: 115,340 km (0.056 R)
• M2: 411,095 km (0.09 R)
• M3: 742,604 km (0.066 R)
• M4: 1,049,728 km (0.109 R)
• M5: 1,360,593 km (0.1 R)
• M6: 1,862,493 km (0.086 R)
• M7: 2,313,531 km (0.106 R)
• M8: 3,561,626 km (0.104 R)
• M9: 4,518,005 km (0.102 R)
• M10: 5,813,523 km (0.101 R)
• M11: 6,319,612 km (0.104 R)
• M12: 6,730,558 km (0.102 R)
• M13: 7,288,857 km (0.09 R)
• M14: 9,867,176 km (0.107 R)
• M15: 10,190,457 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.3

Radius: 11.6

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.1 AU - 3.86 AU

Year: 4259 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,078,394 km

• M1: 144,362 km (0.11 R)
• M2: 863,629 km (0.065 R)
• M3: 1,229,994 km (0.115 R)
• M4: 2,155,855 km (0.041 R)
• M5: 2,615,270 km (0.086 R)
• M6: 3,074,685 km (0.044 R)
• M7: 4,078,038 km (0.107 R)
• M8: 5,526,893 km (0.082 R)
• M9: 7,352,735 km (0.101 R)
• M10: 8,115,684 km (0.093 R)
• M11: 10,609,780 km (0.081 R)
• M12: 11,826,759 km (0.045 R)
• M13: 14,724,619 km (0.103 R)
• M14: 16,849,059 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 8.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.15 AU - 5.65 AU

Year: 7115 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,078,394 km

• M1: 108,159 km (0.053 R)
• M2: 662,719 km (0.096 R)
• M3: 1,369,269 km (0.049 R)
• M4: 1,663,528 km (0.111 R)
• M5: 2,171,114 km (0.047 R)
• M6: 2,658,653 km (0.118 R)
• M7: 2,974,155 km (0.091 R)
• M8: 3,681,155 km (0.101 R)
• M9: 4,029,568 km (0.075 R)
• M10: 5,076,305 km (0.119 R)
• M11: 5,820,404 km (0.092 R)
• M12: 11,514,698 km (0.083 R)
• M13: 13,906,319 km (0.063 R)
• M14: 15,523,921 km (0.093 R)
• M15: 16,905,307 km (0.101 R)
• M16: 17,747,992 km (0.12 R)
• M17: 20,782,435 km (0.106 R)
• M18: 21,400,574 km (0.087 R)
• M19: 23,846,798 km (0.066 R)
• M20: 24,600,472 km (0.09 R)
• M21: 25,917,682 km (0.091 R)
• M22: 26,633,956 km (0.114 R)
• M23: 27,037,422 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 10.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.84 AU - 5.58 AU

Year: 7801 Days

Day: 5 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,078,394 km

• M1: 127,009 km (0.098 R)
• M2: 446,998 km (0.075 R)
• M3: 778,507 km (0.104 R)
• M4: 1,533,977 km (0.112 R)
• M5: 1,972,897 km (0.071 R)
• M6: 2,927,481 km (0.053 R)
• M7: 3,448,979 km (0.081 R)
• M8: 3,944,447 km (0.08 R)
• M9: 5,104,279 km (0.059 R)
• M10: 6,208,760 km (0.111 R)
• M11: 6,754,942 km (0.112 R)
• M12: 9,818,108 km (0.097 R)
• M13: 13,603,682 km (0.082 R)
• M14: 14,895,460 km (0.078 R)
• M15: 18,204,266 km (0.075 R)
• M16: 19,196,848 km (0.118 R)
• M17: 20,752,965 km (0.089 R)
• M18: 21,973,833 km (0.057 R)
• M19: 22,601,994 km (0.12 R)
• M20: 23,821,217 km (0.078 R)
• M21: 24,932,879 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.5

Radius: 3.1

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 10.8 AU - 11.34 AU

Year: 24162 Days

Day: 16.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,078,394 km

• M1: 38,895 km (0.119 R)
• M2: 168,597 km (0.102 R)
• M3: 268,379 km (0.094 R)
• M4: 757,863 km (0.1 R)
• M5: 1,910,814 km (0.112 R)
• M6: 2,052,034 km (0.067 R)
• M7: 2,435,902 km (0.111 R)
• M8: 2,934,213 km (0.073 R)
• M9: 5,128,963 km (0.036 R)
• M10: 7,903,106 km (0.039 R)
• M11: 8,360,127 km (0.059 R)
• M12: 8,738,311 km (0.094 R)
• M13: 10,312,080 km (0.101 R)
• M14: 11,536,988 km (0.083 R)
• M15: 12,486,485 km (0.112 R)
• M16: 12,608,707 km (0.104 R)
• M17: 13,551,024 km (0.094 R)
• M18: 15,859,020 km (0.099 R)
• M19: 19,874,526 km (0.103 R)
• M20: 24,517,745 km (0.077 R)
• M21: 28,970,824 km (0.08 R)
• M22: 34,651,355 km (0.092 R)
• M23: 38,910,705 km (0.096 R)
• M24: 39,302,353 km (0.094 R)
• M25: 41,300,831 km (0.083 R)
• M26: 42,947,454 km (0.045 R)
• M27: 45,210,272 km (0.106 R)
• M28: 46,517,458 km (0.092 R)
• M29: 47,106,425 km (0.103 R)
• M30: 49,054,787 km (0.052 R)
• M31: 50,434,678 km (0.111 R)
• M32: 51,525,695 km (0.11 R)
• M33: 52,632,420 km (0.066 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 18,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit