🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 11.7

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.73 AU - 0.85 AU

Year: 461 Days

Day: 9.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 95.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,786,009 km

• M1: 146,756 km (0.042 R)
• M2: 1,072,467 km (0.106 R)
• M3: 1,510,340 km (0.033 R)
• M4: 2,177,547 km (0.032 R)
• M5: 2,849,241 km (0.111 R)
• M6: 3,394,376 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.3

Radius: 14.2

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.08 AU - 1.3 AU

Year: 852 Days

Day: 10.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,786,009 km

• M1: 176,525 km (0.052 R)
• M2: 698,024 km (0.113 R)
• M3: 1,948,811 km (0.049 R)
• M4: 4,043,182 km (0.1 R)
• M5: 6,813,285 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.8

Radius: 15

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.14 AU - 1.58 AU

Year: 1040 Days

Day: 6.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,786,009 km

• M1: 186,549 km (0.115 R)
• M2: 705,055 km (0.094 R)
• M3: 1,314,965 km (0.078 R)
• M4: 2,045,751 km (0.113 R)
• M5: 2,550,494 km (0.083 R)
• M6: 3,228,472 km (0.116 R)
• M7: 3,950,281 km (0.09 R)
• M8: 4,610,307 km (0.106 R)
• M9: 5,454,189 km (0.117 R)
• M10: 5,992,741 km (0.117 R)
• M11: 6,823,907 km (0.084 R)
• M12: 7,778,341 km (0.082 R)

Asteroid Belt

Center: 1.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 13.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.92 AU - 2.76 AU

Year: 2348 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,786,009 km

• M1: 172,935 km (0.118 R)
• M2: 914,941 km (0.059 R)
• M3: 1,456,934 km (0.039 R)
• M4: 2,022,713 km (0.108 R)
• M5: 2,551,990 km (0.089 R)
• M6: 3,047,757 km (0.094 R)
• M7: 3,555,941 km (0.107 R)
• M8: 3,988,130 km (0.08 R)
• M9: 4,516,509 km (0.071 R)
• M10: 5,203,463 km (0.11 R)
• M11: 5,715,536 km (0.099 R)
• M12: 6,184,675 km (0.102 R)
• M13: 7,116,969 km (0.101 R)
• M14: 7,988,825 km (0.063 R)
• M15: 8,577,194 km (0.04 R)
• M16: 12,694,427 km (0.076 R)
• M17: 15,063,907 km (0.109 R)
• M18: 15,963,738 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.4

Radius: 9.2

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.07 AU - 2.65 AU

Year: 2378 Days

Day: 6.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,786,009 km

• M1: 114,592 km (0.036 R)
• M2: 567,724 km (0.116 R)
• M3: 994,676 km (0.062 R)
• M4: 1,779,167 km (0.099 R)
• M5: 2,224,969 km (0.09 R)
• M6: 3,123,304 km (0.117 R)
• M7: 4,227,187 km (0.068 R)
• M8: 4,594,450 km (0.083 R)
• M9: 6,062,903 km (0.115 R)
• M10: 6,839,016 km (0.108 R)
• M11: 7,183,540 km (0.066 R)
• M12: 7,736,304 km (0.11 R)
• M13: 8,527,228 km (0.059 R)
• M14: 9,598,648 km (0.026 R)
• M15: 10,064,945 km (0.075 R)
• M16: 11,481,188 km (0.046 R)
• M17: 11,855,033 km (0.104 R)
• M18: 13,889,714 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 12.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.61 AU - 4.07 AU

Year: 4004 Days

Day: 8.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,786,009 km

• M1: 153,039 km (0.105 R)
• M2: 563,834 km (0.08 R)
• M3: 1,629,869 km (0.106 R)
• M4: 3,151,279 km (0.089 R)
• M5: 4,561,239 km (0.07 R)
• M6: 7,397,166 km (0.106 R)
• M7: 7,912,231 km (0.117 R)
• M8: 9,150,752 km (0.087 R)
• M9: 11,482,833 km (0.111 R)
• M10: 14,888,130 km (0.038 R)
• M11: 16,924,157 km (0.097 R)
• M12: 17,874,103 km (0.115 R)
• M13: 18,307,638 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.1

Radius: 11.7

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.7 AU - 3.74 AU

Year: 4707 Days

Day: 11.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,786,009 km

• M1: 146,008 km (0.108 R)
• M2: 595,998 km (0.091 R)
• M3: 1,104,182 km (0.119 R)
• M4: 2,045,452 km (0.099 R)
• M5: 3,020,531 km (0.08 R)
• M6: 3,400,808 km (0.051 R)
• M7: 3,899,867 km (0.119 R)
• M8: 4,665,509 km (0.047 R)
• M9: 5,256,720 km (0.067 R)
• M10: 5,640,588 km (0.03 R)
• M11: 7,435,613 km (0.091 R)
• M12: 12,645,508 km (0.11 R)
• M13: 13,237,467 km (0.107 R)
• M14: 13,796,364 km (0.051 R)
• M15: 14,212,546 km (0.091 R)
• M16: 20,149,636 km (0.072 R)
• M17: 26,347,027 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.7

Radius: 10.1

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.48 AU - 5.54 AU

Year: 8485 Days

Day: 9.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,786,009 km

• M1: 125,662 km (0.1 R)
• M2: 480,508 km (0.09 R)
• M3: 818,749 km (0.118 R)
• M4: 2,691,266 km (0.076 R)
• M5: 3,373,731 km (0.108 R)
• M6: 4,743,000 km (0.093 R)
• M7: 5,502,359 km (0.069 R)
• M8: 5,911,360 km (0.112 R)
• M9: 7,505,624 km (0.084 R)
• M10: 8,899,577 km (0.092 R)
• M11: 10,153,507 km (0.104 R)
• M12: 14,427,667 km (0.081 R)
• M13: 16,710,082 km (0.107 R)
• M14: 17,863,482 km (0.065 R)
• M15: 18,384,382 km (0.088 R)
• M16: 19,223,476 km (0.037 R)
• M17: 21,142,517 km (0.119 R)
• M18: 21,809,724 km (0.084 R)
• M19: 29,170,986 km (0.096 R)
• M20: 30,102,383 km (0.116 R)
• M21: 30,946,713 km (0.117 R)
• M22: 33,015,352 km (0.025 R)
• M23: 35,875,365 km (0.088 R)
• M24: 36,704,885 km (0.072 R)
• M25: 46,551,267 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.3

Radius: 4.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.85 AU - 10.75 AU

Year: 18605 Days

Day: 15.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,786,009 km

• M1: 56,099 km (0.114 R)
• M2: 290,968 km (0.118 R)
• M3: 552,016 km (0.117 R)
• M4: 887,115 km (0.069 R)
• M5: 1,577,809 km (0.104 R)
• M6: 1,778,419 km (0.057 R)
• M7: 2,198,490 km (0.11 R)
• M8: 2,414,809 km (0.027 R)
• M9: 3,048,356 km (0.082 R)
• M10: 5,279,159 km (0.098 R)
• M11: 6,237,034 km (0.106 R)
• M12: 8,490,128 km (0.039 R)
• M13: 13,613,705 km (0.083 R)
• M14: 18,858,457 km (0.083 R)
• M15: 19,976,552 km (0.115 R)
• M16: 20,770,468 km (0.102 R)
• M17: 31,608,385 km (0.093 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: 162 - 19,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit