🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.49 AU - 0.65 AU

Year: 292 Days

Day: 8.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,700,992 km

• M1: 111,899 km (0.081 R)
• M2: 413,638 km (0.11 R)
• M3: 717,172 km (0.093 R)
• M4: 1,393,654 km (0.114 R)
• M5: 1,723,218 km (0.092 R)
• M6: 2,542,266 km (0.088 R)
• M7: 2,861,059 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 14.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.58 AU - 0.64 AU

Year: 323 Days

Day: 8.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,700,992 km

• M1: 180,265 km (0.087 R)
• M2: 638,185 km (0.086 R)
• M3: 1,189,453 km (0.08 R)
• M4: 1,659,340 km (0.113 R)
• M5: 2,215,395 km (0.094 R)
• M6: 2,770,104 km (0.09 R)
• M7: 4,190,087 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502

Radius: 8.6

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.69 AU - 1.01 AU

Year: 532 Days

Day: 9.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,700,992 km

• M1: 106,962 km (0.114 R)
• M2: 468,541 km (0.037 R)
• M3: 1,116,449 km (0.109 R)
• M4: 1,593,517 km (0.115 R)
• M5: 2,890,081 km (0.093 R)
• M6: 3,168,632 km (0.111 R)
• M7: 4,059,488 km (0.102 R)
• M8: 5,269,435 km (0.062 R)
• M9: 6,055,273 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210

Radius: 12.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.74 AU - 1.08 AU

Year: 589 Days

Day: 9.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,700,992 km

• M1: 157,377 km (0.09 R)
• M2: 637,885 km (0.059 R)
• M3: 1,069,924 km (0.108 R)
• M4: 1,498,522 km (0.036 R)
• M5: 2,747,664 km (0.075 R)
• M6: 4,280,444 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231

Radius: 8.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.7 AU - 3.5 AU

Year: 3702 Days

Day: 8.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,700,992 km

• M1: 106,962 km (0.046 R)
• M2: 421,417 km (0.11 R)
• M3: 749,635 km (0.084 R)
• M4: 1,136,645 km (0.071 R)
• M5: 1,603,240 km (0.09 R)
• M6: 2,347,939 km (0.093 R)
• M7: 4,006,231 km (0.093 R)
• M8: 4,672,689 km (0.104 R)
• M9: 5,043,842 km (0.075 R)
• M10: 5,482,014 km (0.071 R)
• M11: 6,199,485 km (0.085 R)
• M12: 7,318,627 km (0.07 R)
• M13: 7,670,332 km (0.109 R)
• M14: 8,567,171 km (0.099 R)
• M15: 9,360,937 km (0.064 R)
• M16: 9,705,760 km (0.079 R)
• M17: 10,753,993 km (0.088 R)
• M18: 11,132,326 km (0.097 R)
• M19: 11,875,827 km (0.117 R)
• M20: 13,636,444 km (0.068 R)
• M21: 15,231,008 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.1

Radius: 7

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.94 AU - 9.7 AU

Year: 17766 Days

Day: 21.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,700,992 km

• M1: 87,814 km (0.062 R)
• M2: 406,906 km (0.056 R)
• M3: 2,856,871 km (0.116 R)
• M4: 3,394,076 km (0.031 R)
• M5: 4,244,092 km (0.092 R)
• M6: 5,048,779 km (0.092 R)
• M7: 6,233,594 km (0.076 R)
• M8: 7,270,457 km (0.079 R)
• M9: 8,620,129 km (0.06 R)
• M10: 8,929,796 km (0.118 R)
• M11: 9,246,794 km (0.11 R)
• M12: 9,903,379 km (0.117 R)
• M13: 11,370,635 km (0.114 R)
• M14: 14,152,557 km (0.111 R)
• M15: 15,172,515 km (0.074 R)
• M16: 16,713,373 km (0.116 R)
• M17: 17,935,438 km (0.109 R)
• M18: 19,479,139 km (0.069 R)
• M19: 20,556,243 km (0.08 R)
• M20: 21,016,556 km (0.11 R)
• M21: 28,886,002 km (0.096 R)
• M22: 31,850,733 km (0.11 R)
• M23: 33,091,348 km (0.109 R)
• M24: 35,142,933 km (0.096 R)
• M25: 35,668,770 km (0.058 R)
• M26: 38,934,491 km (0.077 R)
• M27: 40,065,900 km (0.084 R)
• M28: 41,073,741 km (0.094 R)
• M29: 41,510,866 km (0.069 R)
• M30: 44,811,145 km (0.053 R)
• M31: 45,585,014 km (0.046 R)
• M32: 46,210,333 km (0.071 R)
• M33: 47,318,554 km (0.088 R)
• M34: 48,282,414 km (0.053 R)
• M35: 51,252,530 km (0.094 R)
• M36: 51,759,068 km (0.059 R)
• M37: 57,553,891 km (0.098 R)
• M38: 62,990,727 km (0.052 R)
• M39: 65,535,386 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.9

Radius: 7.2

Gravity: 19.08 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.43 AU - 10.15 AU

Year: 19205 Days

Day: 21.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 74.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,700,992 km

• M1: 93,199 km (0.105 R)
• M2: 328,966 km (0.048 R)
• M3: 709,543 km (0.064 R)
• M4: 1,274,574 km (0.095 R)
• M5: 1,828,385 km (0.078 R)
• M6: 2,149,871 km (0.065 R)
• M7: 3,013,051 km (0.101 R)
• M8: 3,830,154 km (0.055 R)
• M9: 5,360,840 km (0.081 R)
• M10: 7,260,583 km (0.115 R)
• M11: 9,107,070 km (0.104 R)
• M12: 9,510,834 km (0.104 R)
• M13: 9,926,417 km (0.067 R)
• M14: 11,443,639 km (0.115 R)
• M15: 12,188,337 km (0.108 R)
• M16: 12,467,038 km (0.109 R)
• M17: 13,699,126 km (0.086 R)
• M18: 15,573,737 km (0.095 R)
• M19: 17,880,087 km (0.091 R)
• M20: 21,498,112 km (0.086 R)
• M21: 22,110,715 km (0.083 R)
• M22: 22,734,837 km (0.104 R)
• M23: 23,157,451 km (0.091 R)
• M24: 27,199,885 km (0.037 R)
• M25: 31,558,120 km (0.117 R)
• M26: 32,883,856 km (0.086 R)
• M27: 46,190,287 km (0.077 R)
• M28: 50,536,554 km (0.111 R)
• M29: 53,642,954 km (0.104 R)
• M30: 55,147,909 km (0.034 R)
• M31: 56,102,642 km (0.114 R)
• M32: 56,874,418 km (0.109 R)
• M33: 58,834,599 km (0.103 R)
• M34: 60,839,360 km (0.101 R)
• M35: 61,245,667 km (0.111 R)
• M36: 63,513,122 km (0.115 R)
• M37: 65,196,846 km (0.116 R)
• M38: 68,214,535 km (0.048 R)
• M39: 69,757,786 km (0.048 R)
• M40: 71,324,076 km (0.084 R)
• M41: 76,163,717 km (0.088 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 15,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit