🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.3

Radius: 13

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.09 AU - 1.39 AU

Year: 892 Days

Day: 11.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 36,747,270 km

• M1: 161,865 km (0.089 R)
• M2: 2,005,958 km (0.097 R)
• M3: 2,503,371 km (0.106 R)

Asteroid Belt

Center: 1.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.8

Radius: 11.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.65 AU - 2.07 AU

Year: 1638 Days

Day: 9.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,747,270 km

• M1: 143,315 km (0.114 R)
• M2: 596,596 km (0.096 R)
• M3: 966,701 km (0.094 R)
• M4: 1,387,670 km (0.117 R)
• M5: 1,772,136 km (0.086 R)
• M6: 2,175,303 km (0.072 R)
• M7: 2,713,406 km (0.1 R)
• M8: 3,633,433 km (0.046 R)
• M9: 4,042,434 km (0.056 R)
• M10: 4,732,229 km (0.102 R)
• M11: 5,144,072 km (0.119 R)
• M12: 5,702,970 km (0.078 R)
• M13: 6,213,847 km (0.042 R)
• M14: 7,426,337 km (0.047 R)
• M15: 7,958,457 km (0.108 R)
• M16: 8,597,539 km (0.104 R)
• M17: 9,127,564 km (0.055 R)
• M18: 9,708,902 km (0.068 R)
• M19: 10,069,582 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 9.5

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.99 AU - 6.35 AU

Year: 7590 Days

Day: 14.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,747,270 km

• M1: 119,230 km (0.065 R)
• M2: 1,113,457 km (0.079 R)
• M3: 1,434,195 km (0.027 R)
• M4: 2,132,069 km (0.083 R)
• M5: 3,020,082 km (0.067 R)
• M6: 3,327,505 km (0.086 R)
• M7: 3,704,791 km (0.071 R)
• M8: 4,981,310 km (0.115 R)
• M9: 5,869,323 km (0.072 R)
• M10: 7,047,107 km (0.113 R)
• M11: 7,833,842 km (0.073 R)
• M12: 8,590,807 km (0.045 R)
• M13: 11,155,663 km (0.082 R)
• M14: 12,781,642 km (0.115 R)
• M15: 13,298,952 km (0.065 R)
• M16: 14,436,643 km (0.108 R)
• M17: 14,808,992 km (0.089 R)
• M18: 15,702,989 km (0.119 R)
• M19: 16,363,314 km (0.093 R)
• M20: 21,114,842 km (0.115 R)
• M21: 21,919,230 km (0.068 R)
• M22: 22,995,287 km (0.102 R)
• M23: 23,674,761 km (0.034 R)
• M24: 27,558,321 km (0.065 R)
• M25: 28,811,353 km (0.097 R)
• M26: 34,094,701 km (0.082 R)
• M27: 34,978,077 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 10

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.32 AU - 5.48 AU

Year: 8102 Days

Day: 11.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,747,270 km

• M1: 124,465 km (0.115 R)
• M2: 458,667 km (0.084 R)
• M3: 901,327 km (0.05 R)
• M4: 1,335,610 km (0.106 R)
• M5: 2,086,591 km (0.107 R)
• M6: 3,146,342 km (0.04 R)
• M7: 4,182,457 km (0.067 R)
• M8: 5,336,754 km (0.085 R)
• M9: 6,155,803 km (0.082 R)
• M10: 7,113,678 km (0.058 R)
• M11: 8,716,170 km (0.067 R)
• M12: 14,344,042 km (0.112 R)
• M13: 17,451,938 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.5

Radius: 8

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.27 AU - 5.87 AU

Year: 8488 Days

Day: 9 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,747,270 km

• M1: 99,483 km (0.111 R)
• M2: 396,584 km (0.068 R)
• M3: 753,824 km (0.101 R)
• M4: 1,154,297 km (0.069 R)
• M5: 1,416,841 km (0.074 R)
• M6: 1,791,285 km (0.063 R)
• M7: 2,180,389 km (0.098 R)
• M8: 2,531,346 km (0.08 R)
• M9: 3,865,759 km (0.108 R)
• M10: 4,545,830 km (0.066 R)
• M11: 5,615,904 km (0.113 R)
• M12: 6,040,912 km (0.095 R)
• M13: 7,254,450 km (0.025 R)
• M14: 10,298,916 km (0.095 R)
• M15: 10,986,318 km (0.109 R)
• M16: 12,397,774 km (0.103 R)
• M17: 13,518,561 km (0.097 R)
• M18: 14,103,638 km (0.073 R)
• M19: 17,489,936 km (0.074 R)
• M20: 18,396,499 km (0.082 R)
• M21: 20,378,820 km (0.114 R)
• M22: 20,761,043 km (0.086 R)
• M23: 23,739,088 km (0.037 R)
• M24: 24,590,449 km (0.105 R)
• M25: 25,373,744 km (0.053 R)
• M26: 26,898,894 km (0.119 R)
• M27: 29,737,514 km (0.097 R)
• M28: 31,431,709 km (0.109 R)
• M29: 36,336,874 km (0.05 R)
• M30: 36,898,913 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.2

Radius: 11.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.61 AU - 6.71 AU

Year: 8694 Days

Day: 10.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,747,270 km

• M1: 141,370 km (0.068 R)
• M2: 497,862 km (0.115 R)
• M3: 918,830 km (0.095 R)
• M4: 2,563,808 km (0.119 R)
• M5: 3,680,556 km (0.117 R)
• M6: 4,077,140 km (0.096 R)
• M7: 4,712,483 km (0.069 R)
• M8: 5,803,649 km (0.114 R)
• M9: 6,181,234 km (0.063 R)
• M10: 6,608,636 km (0.12 R)
• M11: 7,783,428 km (0.078 R)
• M12: 10,775,235 km (0.083 R)
• M13: 12,500,996 km (0.093 R)
• M14: 13,132,898 km (0.043 R)
• M15: 14,690,661 km (0.093 R)
• M16: 16,182,450 km (0.1 R)
• M17: 17,124,767 km (0.101 R)
• M18: 22,546,045 km (0.114 R)
• M19: 22,933,354 km (0.071 R)
• M20: 23,960,792 km (0.082 R)
• M21: 27,932,914 km (0.045 R)
• M22: 29,104,715 km (0.057 R)
• M23: 29,934,833 km (0.068 R)
• M24: 31,066,242 km (0.087 R)
• M25: 33,514,411 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.1

Radius: 3

Gravity: 31.23 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.85 AU - 6.97 AU

Year: 10479 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,747,270 km

• M1: 37,848 km (0.096 R)
• M2: 168,746 km (0.094 R)
• M3: 344,374 km (0.113 R)
• M4: 483,949 km (0.112 R)
• M5: 1,240,166 km (0.101 R)
• M6: 1,544,748 km (0.082 R)
• M7: 1,735,784 km (0.054 R)
• M8: 3,100,865 km (0.066 R)
• M9: 4,021,490 km (0.093 R)
• M10: 4,382,769 km (0.079 R)
• M11: 6,693,607 km (0.113 R)
• M12: 7,462,391 km (0.079 R)
• M13: 7,809,158 km (0.044 R)
• M14: 9,842,194 km (0.088 R)
• M15: 10,735,891 km (0.103 R)
• M16: 11,682,247 km (0.112 R)
• M17: 12,955,325 km (0.077 R)
• M18: 13,911,256 km (0.077 R)
• M19: 16,993,271 km (0.042 R)
• M20: 18,205,612 km (0.1 R)
• M21: 20,725,588 km (0.106 R)
• M22: 22,581,799 km (0.059 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 12,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit