🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.7 AU - 0.92 AU

Year: 314 Days

Day: 16.1 Hours

Environment

Temp: -24 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 12.9

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.91 AU - 3.11 AU

Year: 2248 Days

Day: 13.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,357,547 km

• M1: 160,668 km (0.074 R)
• M2: 686,205 km (0.085 R)
• M3: 1,215,931 km (0.114 R)
• M4: 1,641,388 km (0.073 R)
• M5: 2,252,346 km (0.109 R)
• M6: 2,750,357 km (0.094 R)
• M7: 3,258,092 km (0.108 R)
• M8: 4,346,865 km (0.091 R)
• M9: 4,975,924 km (0.1 R)
• M10: 6,093,720 km (0.08 R)
• M11: 6,699,142 km (0.056 R)
• M12: 7,124,898 km (0.12 R)
• M13: 7,625,602 km (0.111 R)
• M14: 9,565,587 km (0.095 R)
• M15: 10,106,832 km (0.095 R)
• M16: 10,956,847 km (0.113 R)
• M17: 12,799,594 km (0.114 R)
• M18: 13,625,524 km (0.109 R)
• M19: 15,065,403 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.4

Radius: 11.3

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.48 AU - 3.98 AU

Year: 2499 Days

Day: 14 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,357,547 km

• M1: 804,986 km (0.027 R)
• M2: 1,538,764 km (0.11 R)
• M3: 2,077,765 km (0.105 R)
• M4: 3,012,901 km (0.108 R)
• M5: 4,338,189 km (0.099 R)
• M6: 5,139,734 km (0.093 R)
• M7: 6,562,260 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.8

Radius: 12.4

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.44 AU - 4.04 AU

Year: 2510 Days

Day: 8.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,357,547 km

• M1: 154,235 km (0.067 R)
• M2: 580,739 km (0.097 R)
• M3: 1,350,719 km (0.112 R)
• M4: 1,952,402 km (0.062 R)
• M5: 2,372,921 km (0.11 R)
• M6: 2,790,748 km (0.089 R)
• M7: 4,160,766 km (0.101 R)
• M8: 4,682,862 km (0.107 R)
• M9: 6,264,411 km (0.064 R)
• M10: 7,314,737 km (0.119 R)
• M11: 8,143,809 km (0.103 R)
• M12: 9,321,443 km (0.095 R)
• M13: 10,491,149 km (0.114 R)
• M14: 11,337,574 km (0.034 R)
• M15: 12,536,451 km (0.106 R)
• M16: 15,953,416 km (0.098 R)
• M17: 17,791,376 km (0.042 R)
• M18: 18,243,460 km (0.087 R)
• M19: 19,826,655 km (0.092 R)
• M20: 20,807,119 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.6

Radius: 10.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.09 AU - 6.89 AU

Year: 7117 Days

Day: 12.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,357,547 km

• M1: 127,009 km (0.103 R)
• M2: 717,771 km (0.084 R)
• M3: 1,153,848 km (0.05 R)
• M4: 2,354,521 km (0.098 R)
• M5: 4,425,853 km (0.06 R)
• M6: 7,059,823 km (0.061 R)
• M7: 8,665,905 km (0.1 R)
• M8: 9,039,451 km (0.115 R)
• M9: 12,220,351 km (0.096 R)
• M10: 13,010,976 km (0.115 R)
• M11: 16,964,997 km (0.037 R)
• M12: 17,682,768 km (0.106 R)
• M13: 20,391,686 km (0.094 R)
• M14: 20,757,901 km (0.095 R)
• M15: 22,189,852 km (0.101 R)
• M16: 30,064,983 km (0.097 R)
• M17: 30,730,993 km (0.075 R)
• M18: 32,588,251 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.8

Radius: 4

Gravity: 42.99 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.73 AU - 11.17 AU

Year: 13510 Days

Day: 19 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,357,547 km

• M1: 49,816 km (0.12 R)
• M2: 187,596 km (0.057 R)
• M3: 317,895 km (0.103 R)
• M4: 525,687 km (0.107 R)
• M5: 987,645 km (0.12 R)
• M6: 1,140,385 km (0.103 R)
• M7: 1,554,322 km (0.075 R)
• M8: 2,156,005 km (0.054 R)
• M9: 2,414,809 km (0.104 R)
• M10: 2,671,818 km (0.1 R)
• M11: 3,018,436 km (0.118 R)
• M12: 3,165,192 km (0.088 R)
• M13: 3,580,176 km (0.063 R)
• M14: 5,942,476 km (0.098 R)
• M15: 7,244,726 km (0.106 R)
• M16: 8,101,921 km (0.101 R)
• M17: 8,434,029 km (0.093 R)
• M18: 9,747,648 km (0.116 R)
• M19: 10,903,590 km (0.068 R)
• M20: 11,484,928 km (0.116 R)
• M21: 14,704,573 km (0.087 R)
• M22: 17,130,303 km (0.113 R)
• M23: 18,559,561 km (0.097 R)
• M24: 21,834,258 km (0.093 R)
• M25: 22,849,429 km (0.039 R)
• M26: 23,895,717 km (0.118 R)
• M27: 24,973,569 km (0.083 R)
• M28: 25,172,983 km (0.03 R)
• M29: 26,083,436 km (0.111 R)
• M30: 27,862,603 km (0.112 R)
• M31: 29,945,006 km (0.098 R)
• M32: 30,170,001 km (0.095 R)
• M33: 31,312,181 km (0.087 R)
• M34: 32,483,083 km (0.041 R)
• M35: 32,959,403 km (0.092 R)
• M36: 36,042,765 km (0.047 R)
• M37: 38,910,406 km (0.085 R)
• M38: 44,800,374 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.6

Radius: 5.8

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.86 AU - 11.68 AU

Year: 14167 Days

Day: 16.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,357,547 km

• M1: 72,256 km (0.074 R)
• M2: 260,749 km (0.081 R)
• M3: 508,184 km (0.104 R)
• M4: 1,176,587 km (0.051 R)
• M5: 1,536,370 km (0.067 R)
• M6: 2,494,544 km (0.079 R)
• M7: 2,704,430 km (0.118 R)
• M8: 2,995,099 km (0.09 R)
• M9: 3,534,250 km (0.108 R)
• M10: 5,899,242 km (0.048 R)
• M11: 7,152,424 km (0.088 R)
• M12: 8,020,391 km (0.077 R)
• M13: 10,120,446 km (0.055 R)
• M14: 10,547,847 km (0.077 R)
• M15: 12,379,224 km (0.053 R)
• M16: 13,949,852 km (0.084 R)
• M17: 14,412,408 km (0.076 R)
• M18: 17,863,931 km (0.081 R)
• M19: 19,615,422 km (0.093 R)
• M20: 22,723,019 km (0.094 R)
• M21: 24,871,544 km (0.055 R)
• M22: 25,945,357 km (0.082 R)
• M23: 26,443,518 km (0.066 R)
• M24: 26,644,578 km (0.06 R)
• M25: 29,892,796 km (0.108 R)
• M26: 30,440,324 km (0.113 R)
• M27: 31,217,934 km (0.106 R)
• M28: 33,630,499 km (0.088 R)
• M29: 36,911,180 km (0.053 R)
• M30: 39,737,084 km (0.071 R)
• M31: 44,241,476 km (0.118 R)
• M32: 45,382,459 km (0.1 R)
• M33: 45,670,734 km (0.09 R)
• M34: 51,071,217 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.4

Radius: 5

Gravity: 21.9 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 9.38 AU - 14.18 AU

Year: 17404 Days

Day: 21.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,357,547 km

• M1: 71,209 km (0.08 R)
• M2: 616,044 km (0.096 R)
• M3: 1,078,900 km (0.057 R)
• M4: 1,258,716 km (0.052 R)
• M5: 1,566,290 km (0.076 R)
• M6: 1,780,813 km (0.071 R)
• M7: 2,014,934 km (0.098 R)
• M8: 3,702,846 km (0.047 R)
• M9: 4,085,219 km (0.06 R)
• M10: 6,568,543 km (0.098 R)
• M11: 10,074,369 km (0.118 R)
• M12: 14,655,954 km (0.07 R)
• M13: 17,800,950 km (0.062 R)
• M14: 18,129,916 km (0.116 R)
• M15: 19,313,384 km (0.09 R)
• M16: 19,573,535 km (0.075 R)
• M17: 24,361,564 km (0.08 R)
• M18: 25,800,546 km (0.081 R)
• M19: 27,953,409 km (0.084 R)
• M20: 31,402,538 km (0.108 R)
• M21: 32,124,796 km (0.028 R)
• M22: 38,992,685 km (0.095 R)
• M23: 42,109,557 km (0.039 R)
• M24: 43,282,853 km (0.078 R)
• M25: 55,187,402 km (0.119 R)
• M26: 62,637,077 km (0.096 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 17,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit