🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.3

Radius: 9.3

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.5 AU - 0.72 AU

Year: 329 Days

Day: 14.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,950,377 km

• M1: 115,639 km (0.085 R)
• M2: 452,833 km (0.091 R)
• M3: 844,181 km (0.099 R)
• M4: 1,218,175 km (0.092 R)
• M5: 1,517,820 km (0.092 R)
• M6: 1,833,472 km (0.092 R)
• M7: 3,174,467 km (0.092 R)
• M8: 3,470,820 km (0.08 R)
• M9: 3,933,377 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 9.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.89 AU - 1.05 AU

Year: 659 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,950,377 km

• M1: 122,521 km (0.117 R)
• M2: 540,497 km (0.108 R)
• M3: 903,122 km (0.07 R)
• M4: 1,229,994 km (0.05 R)
• M5: 1,625,680 km (0.104 R)
• M6: 2,050,388 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.2

Radius: 13.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1 AU - 1.02 AU

Year: 701 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,950,377 km

• M1: 166,652 km (0.062 R)
• M2: 718,519 km (0.106 R)
• M3: 1,362,687 km (0.087 R)
• M4: 1,879,847 km (0.12 R)
• M5: 3,139,162 km (0.104 R)
• M6: 3,833,445 km (0.095 R)
• M7: 4,982,507 km (0.11 R)
• M8: 5,565,938 km (0.06 R)
• M9: 6,291,189 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.4

Radius: 12.3

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.32 AU - 1.36 AU

Year: 1071 Days

Day: 14.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,950,377 km

• M1: 153,338 km (0.067 R)
• M2: 573,259 km (0.035 R)
• M3: 1,105,528 km (0.037 R)
• M4: 2,331,483 km (0.104 R)
• M5: 2,746,767 km (0.105 R)
• M6: 3,450,774 km (0.054 R)
• M7: 3,866,955 km (0.032 R)
• M8: 4,377,383 km (0.031 R)
• M9: 5,322,692 km (0.108 R)
• M10: 5,899,990 km (0.119 R)
• M11: 6,639,453 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 12.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.33 AU - 2.15 AU

Year: 1584 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,950,377 km

• M1: 157,975 km (0.05 R)
• M2: 645,515 km (0.119 R)
• M3: 1,161,328 km (0.096 R)
• M4: 1,789,639 km (0.106 R)
• M5: 2,221,678 km (0.09 R)
• M6: 2,799,874 km (0.1 R)
• M7: 3,315,986 km (0.116 R)
• M8: 3,767,922 km (0.064 R)
• M9: 4,649,951 km (0.11 R)
• M10: 5,337,951 km (0.085 R)
• M11: 6,136,804 km (0.089 R)
• M12: 9,045,734 km (0.052 R)
• M13: 9,782,654 km (0.07 R)
• M14: 10,655,258 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.4

Radius: 10.7

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.51 AU - 3.33 AU

Year: 3444 Days

Day: 13.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,950,377 km

• M1: 141,520 km (0.08 R)
• M2: 565,480 km (0.088 R)
• M3: 900,579 km (0.083 R)
• M4: 2,961,290 km (0.045 R)
• M5: 4,899,480 km (0.077 R)
• M6: 6,236,286 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.4

Radius: 14.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.11 AU - 3.11 AU

Year: 3786 Days

Day: 14.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,950,377 km

• M1: 182,210 km (0.106 R)
• M2: 978,370 km (0.11 R)
• M3: 1,614,759 km (0.075 R)
• M4: 2,263,865 km (0.045 R)
• M5: 2,751,105 km (0.111 R)
• M6: 5,239,815 km (0.066 R)
• M7: 6,104,341 km (0.09 R)
• M8: 7,029,903 km (0.095 R)
• M9: 7,663,151 km (0.077 R)
• M10: 8,298,044 km (0.064 R)
• M11: 9,238,117 km (0.105 R)
• M12: 9,957,982 km (0.068 R)
• M13: 11,420,002 km (0.095 R)
• M14: 12,297,244 km (0.076 R)
• M15: 12,971,931 km (0.084 R)
• M16: 13,824,339 km (0.1 R)
• M17: 14,928,521 km (0.049 R)
• M18: 15,808,755 km (0.05 R)
• M19: 17,134,342 km (0.084 R)
• M20: 20,270,362 km (0.093 R)
• M21: 20,805,473 km (0.117 R)

Asteroid Belt

Center: 3.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.6

Radius: 11.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.72 AU - 4.14 AU

Year: 5378 Days

Day: 8.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 72.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,950,377 km

• M1: 154,086 km (0.069 R)
• M2: 614,847 km (0.089 R)
• M3: 1,029,682 km (0.1 R)
• M4: 1,465,910 km (0.112 R)
• M5: 1,984,715 km (0.098 R)
• M6: 2,756,790 km (0.043 R)
• M7: 3,594,986 km (0.114 R)
• M8: 4,107,359 km (0.054 R)
• M9: 5,305,937 km (0.104 R)
• M10: 6,446,322 km (0.097 R)
• M11: 12,340,478 km (0.082 R)
• M12: 15,509,559 km (0.12 R)
• M13: 19,376,066 km (0.084 R)
• M14: 20,351,893 km (0.106 R)
• M15: 22,120,439 km (0.087 R)
• M16: 23,915,613 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.6

Radius: 14.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.22 AU - 5.32 AU

Year: 6091 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,950,377 km

• M1: 347,217 km (0.116 R)
• M2: 1,461,422 km (0.119 R)
• M3: 2,297,225 km (0.101 R)
• M4: 3,302,971 km (0.114 R)
• M5: 4,207,889 km (0.102 R)
• M6: 5,713,143 km (0.115 R)
• M7: 6,694,804 km (0.089 R)
• M8: 8,236,410 km (0.115 R)
• M9: 12,903,864 km (0.086 R)
• M10: 13,925,916 km (0.104 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 10.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.96 AU - 5.28 AU

Year: 6854 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,950,377 km

• M1: 127,158 km (0.069 R)
• M2: 531,970 km (0.091 R)
• M3: 1,054,067 km (0.09 R)
• M4: 1,700,778 km (0.076 R)
• M5: 2,443,232 km (0.078 R)
• M6: 2,770,403 km (0.092 R)
• M7: 3,409,485 km (0.104 R)
• M8: 4,638,282 km (0.028 R)
• M9: 5,034,567 km (0.077 R)
• M10: 6,554,481 km (0.099 R)
• M11: 7,366,798 km (0.108 R)
• M12: 8,591,705 km (0.073 R)
• M13: 11,158,954 km (0.063 R)
• M14: 12,117,727 km (0.117 R)
• M15: 15,037,279 km (0.062 R)
• M16: 19,257,435 km (0.087 R)
• M17: 19,595,825 km (0.056 R)
• M18: 21,564,832 km (0.108 R)
• M19: 23,585,002 km (0.112 R)
• M20: 24,050,550 km (0.054 R)
• M21: 28,608,050 km (0.063 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 12,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit