🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225

Radius: 8.5

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.15 AU - 1.27 AU

Year: 873 Days

Day: 12.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,483,822 km

• M1: 105,766 km (0.084 R)
• M2: 553,512 km (0.066 R)
• M3: 827,276 km (0.091 R)
• M4: 1,297,762 km (0.052 R)
• M5: 1,714,541 km (0.074 R)
• M6: 2,137,006 km (0.082 R)
• M7: 2,566,202 km (0.075 R)
• M8: 3,215,157 km (0.119 R)
• M9: 3,559,382 km (0.062 R)
• M10: 4,010,569 km (0.095 R)
• M11: 4,278,948 km (0.11 R)
• M12: 4,915,188 km (0.103 R)
• M13: 5,824,294 km (0.059 R)
• M14: 6,169,566 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.2

Radius: 12.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.55 AU - 1.67 AU

Year: 1340 Days

Day: 8.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,483,822 km

• M1: 154,385 km (0.079 R)
• M2: 617,390 km (0.119 R)
• M3: 1,713,045 km (0.113 R)
• M4: 3,023,074 km (0.066 R)
• M5: 4,482,102 km (0.109 R)
• M6: 5,282,750 km (0.055 R)
• M7: 6,113,915 km (0.117 R)
• M8: 8,600,531 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.2

Radius: 14.1

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.55 AU - 2.55 AU

Year: 1925 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,483,822 km

• M1: 175,478 km (0.12 R)
• M2: 698,921 km (0.081 R)
• M3: 1,332,767 km (0.099 R)
• M4: 1,875,060 km (0.111 R)
• M5: 2,526,558 km (0.099 R)
• M6: 3,326,458 km (0.103 R)
• M7: 3,863,215 km (0.066 R)
• M8: 4,747,788 km (0.038 R)
• M9: 5,607,078 km (0.118 R)
• M10: 6,567,646 km (0.096 R)
• M11: 7,153,172 km (0.104 R)
• M12: 7,968,929 km (0.111 R)
• M13: 9,090,614 km (0.093 R)
• M14: 9,625,277 km (0.089 R)
• M15: 10,214,393 km (0.103 R)
• M16: 11,683,145 km (0.111 R)
• M17: 13,569,724 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.2

Radius: 14.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.86 AU - 3.98 AU

Year: 5091 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,483,822 km

• M1: 179,069 km (0.104 R)
• M2: 1,228,498 km (0.102 R)
• M3: 2,433,957 km (0.074 R)
• M4: 3,789,164 km (0.109 R)
• M5: 4,957,973 km (0.097 R)
• M6: 5,756,975 km (0.095 R)
• M7: 6,215,642 km (0.1 R)
• M8: 8,166,847 km (0.082 R)
• M9: 9,802,700 km (0.113 R)
• M10: 10,538,572 km (0.077 R)
• M11: 11,145,490 km (0.119 R)
• M12: 11,990,868 km (0.093 R)
• M13: 12,473,770 km (0.045 R)
• M14: 13,572,865 km (0.062 R)
• M15: 14,146,124 km (0.11 R)
• M16: 15,598,570 km (0.068 R)
• M17: 16,387,699 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.5

Radius: 12.2

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.75 AU - 6.17 AU

Year: 7247 Days

Day: 5 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,483,822 km

• M1: 151,692 km (0.093 R)
• M2: 927,507 km (0.08 R)
• M3: 1,329,476 km (0.086 R)
• M4: 2,132,817 km (0.079 R)
• M5: 2,571,139 km (0.093 R)
• M6: 3,199,450 km (0.092 R)
• M7: 3,971,674 km (0.12 R)
• M8: 4,379,029 km (0.106 R)
• M9: 5,886,527 km (0.094 R)
• M10: 6,357,610 km (0.112 R)
• M11: 7,443,092 km (0.115 R)
• M12: 9,574,264 km (0.116 R)
• M13: 11,174,213 km (0.095 R)
• M14: 13,093,404 km (0.07 R)
• M15: 14,053,523 km (0.065 R)
• M16: 16,057,237 km (0.091 R)
• M17: 17,216,321 km (0.056 R)
• M18: 22,274,225 km (0.109 R)
• M19: 22,771,638 km (0.113 R)
• M20: 23,641,550 km (0.092 R)
• M21: 26,542,851 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.7

Radius: 7.4

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.41 AU - 11.21 AU

Year: 20156 Days

Day: 16 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,483,822 km

• M1: 141,370 km (0.045 R)
• M2: 376,837 km (0.089 R)
• M3: 1,786,498 km (0.085 R)
• M4: 2,092,276 km (0.063 R)
• M5: 2,432,910 km (0.113 R)
• M6: 2,695,155 km (0.041 R)
• M7: 3,852,295 km (0.043 R)
• M8: 4,334,449 km (0.08 R)
• M9: 5,830,128 km (0.08 R)
• M10: 7,324,013 km (0.079 R)
• M11: 8,016,052 km (0.107 R)
• M12: 10,185,221 km (0.089 R)
• M13: 11,284,317 km (0.07 R)
• M14: 11,647,391 km (0.085 R)
• M15: 12,783,138 km (0.068 R)
• M16: 14,837,416 km (0.107 R)
• M17: 16,094,337 km (0.086 R)
• M18: 18,069,478 km (0.102 R)
• M19: 22,116,100 km (0.054 R)
• M20: 35,172,255 km (0.115 R)
• M21: 38,885,274 km (0.063 R)
• M22: 39,852,723 km (0.075 R)
• M23: 42,559,547 km (0.103 R)
• M24: 44,480,683 km (0.115 R)
• M25: 45,083,263 km (0.099 R)
• M26: 46,768,334 km (0.115 R)
• M27: 47,862,193 km (0.049 R)
• M28: 49,777,046 km (0.12 R)
• M29: 54,614,443 km (0.076 R)
• M30: 55,827,233 km (0.085 R)
• M31: 56,176,992 km (0.035 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: 409 - 18,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit