🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.3

Radius: 14.4

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.67 AU - 0.97 AU

Year: 495 Days

Day: 14.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,929,137 km

• M1: 179,069 km (0.028 R)
• M2: 650,452 km (0.075 R)
• M3: 1,253,630 km (0.114 R)
• M4: 1,872,517 km (0.037 R)
• M5: 2,448,169 km (0.054 R)
• M6: 3,805,770 km (0.108 R)
• M7: 4,432,585 km (0.118 R)
• M8: 5,001,655 km (0.104 R)
• M9: 5,518,516 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.3

Radius: 12

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.03 AU - 1.65 AU

Year: 1034 Days

Day: 6.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,929,137 km

• M1: 150,196 km (0.099 R)
• M2: 617,390 km (0.1 R)
• M3: 1,825,543 km (0.055 R)
• M4: 2,417,950 km (0.066 R)
• M5: 2,830,242 km (0.072 R)
• M6: 3,720,798 km (0.089 R)
• M7: 4,189,638 km (0.049 R)
• M8: 4,734,324 km (0.108 R)
• M9: 6,205,469 km (0.096 R)
• M10: 8,441,808 km (0.06 R)
• M11: 10,620,850 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 14.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.75 AU - 2.73 AU

Year: 2236 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,929,137 km

• M1: 181,612 km (0.111 R)
• M2: 741,706 km (0.112 R)
• M3: 1,281,904 km (0.044 R)
• M4: 1,971,251 km (0.096 R)
• M5: 2,885,743 km (0.119 R)
• M6: 3,914,228 km (0.064 R)
• M7: 4,472,228 km (0.119 R)
• M8: 7,028,108 km (0.116 R)
• M9: 8,168,792 km (0.089 R)
• M10: 9,325,333 km (0.096 R)
• M11: 10,106,683 km (0.049 R)
• M12: 10,626,386 km (0.113 R)
• M13: 11,519,036 km (0.093 R)
• M14: 14,083,592 km (0.099 R)
• M15: 17,852,411 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.5

Radius: 10.4

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.02 AU - 2.8 AU

Year: 2495 Days

Day: 5.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,929,137 km

• M1: 132,245 km (0.117 R)
• M2: 482,004 km (0.11 R)
• M3: 960,568 km (0.119 R)
• M4: 1,400,386 km (0.085 R)
• M5: 1,758,523 km (0.094 R)
• M6: 2,384,590 km (0.085 R)
• M7: 3,136,319 km (0.113 R)
• M8: 3,586,609 km (0.113 R)
• M9: 3,917,220 km (0.108 R)
• M10: 5,226,950 km (0.108 R)
• M11: 5,576,709 km (0.118 R)
• M12: 6,867,141 km (0.056 R)
• M13: 8,380,473 km (0.082 R)
• M14: 8,791,119 km (0.107 R)
• M15: 11,131,877 km (0.073 R)
• M16: 11,544,916 km (0.113 R)
• M17: 12,890,998 km (0.085 R)
• M18: 14,002,660 km (0.078 R)
• M19: 15,328,546 km (0.088 R)
• M20: 15,737,098 km (0.065 R)
• M21: 17,554,712 km (0.107 R)
• M22: 19,271,347 km (0.087 R)
• M23: 20,784,979 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.5

Radius: 13.2

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.78 AU - 3.2 AU

Year: 3448 Days

Day: 13.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,929,137 km

• M1: 164,109 km (0.079 R)
• M2: 617,690 km (0.088 R)
• M3: 1,167,611 km (0.099 R)
• M4: 1,913,207 km (0.112 R)
• M5: 2,772,647 km (0.12 R)
• M6: 3,492,063 km (0.105 R)
• M7: 4,088,959 km (0.079 R)
• M8: 4,973,680 km (0.1 R)
• M9: 5,731,842 km (0.078 R)
• M10: 6,416,253 km (0.114 R)
• M11: 7,914,924 km (0.043 R)
• M12: 9,753,482 km (0.061 R)
• M13: 10,899,701 km (0.079 R)
• M14: 14,309,784 km (0.119 R)
• M15: 14,879,004 km (0.098 R)
• M16: 21,032,713 km (0.037 R)
• M17: 21,499,308 km (0.108 R)
• M18: 23,793,392 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.5

Radius: 11.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.53 AU - 5.41 AU

Year: 6302 Days

Day: 8.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,929,137 km

• M1: 153,039 km (0.076 R)
• M2: 606,320 km (0.057 R)
• M3: 1,039,556 km (0.09 R)
• M4: 1,842,896 km (0.093 R)
• M5: 2,257,881 km (0.072 R)
• M6: 3,133,627 km (0.055 R)
• M7: 3,694,918 km (0.109 R)
• M8: 4,844,129 km (0.12 R)
• M9: 6,295,378 km (0.113 R)
• M10: 7,393,127 km (0.117 R)
• M11: 8,808,323 km (0.058 R)
• M12: 9,306,783 km (0.094 R)
• M13: 10,000,767 km (0.111 R)
• M14: 11,807,012 km (0.081 R)
• M15: 14,910,270 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.1

Radius: 6.3

Gravity: 22.53 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.47 AU - 9.23 AU

Year: 16090 Days

Day: 18.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,929,137 km

• M1: 78,389 km (0.039 R)
• M2: 1,556,416 km (0.04 R)
• M3: 2,499,631 km (0.073 R)
• M4: 3,028,758 km (0.111 R)
• M5: 3,375,078 km (0.114 R)
• M6: 3,659,164 km (0.117 R)
• M7: 5,439,678 km (0.107 R)
• M8: 5,711,647 km (0.102 R)
• M9: 6,409,970 km (0.12 R)
• M10: 10,239,525 km (0.12 R)
• M11: 11,080,864 km (0.097 R)
• M12: 16,791,463 km (0.111 R)
• M13: 19,448,322 km (0.117 R)
• M14: 20,361,916 km (0.092 R)
• M15: 21,208,191 km (0.1 R)
• M16: 34,044,287 km (0.099 R)
• M17: 41,758,600 km (0.059 R)
• M18: 46,099,033 km (0.115 R)
• M19: 48,378,007 km (0.029 R)
• M20: 53,335,381 km (0.07 R)
• M21: 63,448,945 km (0.097 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 10,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit