🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.5

Radius: 11.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.49 AU - 0.79 AU

Year: 347 Days

Day: 14.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,960,243 km

• M1: 143,016 km (0.08 R)
• M2: 514,467 km (0.108 R)
• M3: 885,619 km (0.095 R)
• M4: 1,271,432 km (0.094 R)
• M5: 1,771,837 km (0.104 R)
• M6: 2,219,284 km (0.042 R)
• M7: 2,594,925 km (0.042 R)
• M8: 3,855,436 km (0.117 R)
• M9: 4,338,488 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.7

Radius: 14.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.59 AU - 0.79 AU

Year: 389 Days

Day: 11.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 23,960,243 km

• M1: 182,958 km (0.061 R)
• M2: 1,312,422 km (0.065 R)
• M3: 1,945,371 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.5

Radius: 14.1

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.24 AU - 1.5 AU

Year: 1088 Days

Day: 14.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,960,243 km

• M1: 175,329 km (0.102 R)
• M2: 708,944 km (0.04 R)
• M3: 1,229,096 km (0.077 R)
• M4: 1,669,363 km (0.1 R)
• M5: 2,136,856 km (0.048 R)
• M6: 2,587,894 km (0.12 R)
• M7: 3,090,243 km (0.066 R)
• M8: 4,229,431 km (0.116 R)
• M9: 4,807,028 km (0.077 R)
• M10: 5,321,795 km (0.067 R)
• M11: 6,058,863 km (0.112 R)
• M12: 7,374,427 km (0.086 R)
• M13: 8,317,642 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.1

Radius: 12.1

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.27 AU - 1.87 AU

Year: 1334 Days

Day: 14 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,960,243 km

• M1: 150,495 km (0.093 R)
• M2: 882,328 km (0.073 R)
• M3: 1,725,911 km (0.113 R)
• M4: 3,403,950 km (0.082 R)
• M5: 4,729,836 km (0.112 R)
• M6: 5,693,695 km (0.11 R)
• M7: 8,146,950 km (0.101 R)
• M8: 8,982,604 km (0.096 R)
• M9: 9,436,634 km (0.114 R)
• M10: 11,304,064 km (0.083 R)
• M11: 11,978,152 km (0.054 R)
• M12: 12,641,170 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 9.2

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.13 AU - 2.21 AU

Year: 2168 Days

Day: 13.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,960,243 km

• M1: 114,442 km (0.113 R)
• M2: 482,453 km (0.069 R)
• M3: 805,136 km (0.1 R)
• M4: 1,383,631 km (0.098 R)
• M5: 1,701,377 km (0.034 R)
• M6: 3,357,874 km (0.104 R)
• M7: 5,374,902 km (0.058 R)
• M8: 6,119,450 km (0.091 R)
• M9: 8,603,224 km (0.095 R)
• M10: 9,001,005 km (0.078 R)
• M11: 9,480,615 km (0.087 R)
• M12: 11,412,971 km (0.101 R)
• M13: 12,429,638 km (0.057 R)
• M14: 12,895,636 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.3

Radius: 13.1

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.99 AU - 3.47 AU

Year: 3937 Days

Day: 14.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,960,243 km

• M1: 176,825 km (0.104 R)
• M2: 1,186,910 km (0.091 R)
• M3: 2,036,476 km (0.028 R)
• M4: 3,066,457 km (0.084 R)
• M5: 3,618,922 km (0.058 R)
• M6: 4,297,049 km (0.093 R)
• M7: 7,861,069 km (0.062 R)
• M8: 12,958,168 km (0.094 R)
• M9: 14,916,703 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 12.1

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.81 AU - 3.91 AU

Year: 5144 Days

Day: 8.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,960,243 km

• M1: 153,188 km (0.096 R)
• M2: 1,264,401 km (0.081 R)
• M3: 3,707,035 km (0.077 R)
• M4: 5,671,554 km (0.097 R)
• M5: 7,552,149 km (0.078 R)
• M6: 9,747,049 km (0.025 R)
• M7: 10,952,958 km (0.06 R)
• M8: 12,337,935 km (0.064 R)
• M9: 14,240,820 km (0.066 R)
• M10: 15,073,182 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.7

Radius: 9.6

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.39 AU - 4.97 AU

Year: 5796 Days

Day: 6.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 23,960,243 km

• M1: 119,828 km (0.101 R)
• M2: 434,582 km (0.119 R)
• M3: 803,490 km (0.085 R)
• M4: 1,339,499 km (0.056 R)
• M5: 1,919,789 km (0.12 R)
• M6: 2,377,110 km (0.104 R)
• M7: 3,004,823 km (0.089 R)
• M8: 3,315,238 km (0.088 R)
• M9: 3,976,910 km (0.066 R)
• M10: 4,974,279 km (0.036 R)
• M11: 5,471,093 km (0.079 R)
• M12: 6,294,779 km (0.057 R)
• M13: 8,508,678 km (0.073 R)
• M14: 9,177,231 km (0.082 R)
• M15: 9,612,710 km (0.106 R)
• M16: 11,543,720 km (0.119 R)
• M17: 11,999,993 km (0.087 R)
• M18: 13,385,868 km (0.026 R)
• M19: 15,174,310 km (0.12 R)
• M20: 19,148,827 km (0.107 R)
• M21: 24,839,978 km (0.089 R)
• M22: 26,290,479 km (0.088 R)
• M23: 27,796,631 km (0.052 R)
• M24: 33,470,280 km (0.089 R)
• M25: 34,502,655 km (0.065 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725

Radius: 10

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.77 AU - 6.21 AU

Year: 7560 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,960,243 km

• M1: 124,316 km (0.109 R)
• M2: 810,372 km (0.079 R)
• M3: 7,259,985 km (0.099 R)
• M4: 9,709,799 km (0.058 R)
• M5: 10,918,849 km (0.056 R)
• M6: 11,743,582 km (0.059 R)
• M7: 12,334,195 km (0.12 R)
• M8: 14,467,460 km (0.106 R)
• M9: 16,237,353 km (0.109 R)
• M10: 16,634,685 km (0.082 R)
• M11: 17,795,714 km (0.065 R)
• M12: 23,149,672 km (0.112 R)
• M13: 23,653,368 km (0.054 R)
• M14: 24,856,733 km (0.053 R)
• M15: 30,279,806 km (0.109 R)
• M16: 32,737,400 km (0.098 R)
• M17: 34,122,826 km (0.088 R)
• M18: 34,447,902 km (0.114 R)
• M19: 35,104,487 km (0.117 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.9

Radius: 13.4

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.34 AU - 5.68 AU

Year: 7606 Days

Day: 10 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,960,243 km

• M1: 166,652 km (0.104 R)
• M2: 645,515 km (0.118 R)
• M3: 1,782,608 km (0.045 R)
• M4: 2,497,686 km (0.079 R)
• M5: 5,280,356 km (0.111 R)
• M6: 6,031,637 km (0.099 R)
• M7: 8,433,281 km (0.12 R)
• M8: 9,575,760 km (0.081 R)
• M9: 12,532,562 km (0.102 R)
• M10: 12,999,756 km (0.083 R)
• M11: 15,195,404 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 16,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit