🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.2

Radius: 8.5

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.78 AU - 1.1 AU

Year: 608 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,299,822 km

• M1: 105,766 km (0.104 R)
• M2: 452,534 km (0.115 R)
• M3: 808,726 km (0.116 R)
• M4: 1,141,432 km (0.074 R)
• M5: 1,502,711 km (0.088 R)
• M6: 2,269,998 km (0.088 R)
• M7: 2,934,512 km (0.069 R)
• M8: 3,735,608 km (0.106 R)
• M9: 4,615,094 km (0.087 R)
• M10: 5,111,759 km (0.119 R)
• M11: 5,799,461 km (0.09 R)
• M12: 6,156,850 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786

Radius: 9.7

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.14 AU - 1.4 AU

Year: 954 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,299,822 km

• M1: 120,576 km (0.101 R)
• M2: 432,188 km (0.09 R)
• M3: 778,657 km (0.086 R)
• M4: 1,223,860 km (0.064 R)
• M5: 1,742,815 km (0.107 R)
• M6: 2,131,470 km (0.104 R)
• M7: 2,495,292 km (0.093 R)
• M8: 2,978,793 km (0.099 R)
• M9: 3,643,606 km (0.084 R)
• M10: 4,543,736 km (0.105 R)
• M11: 5,365,328 km (0.044 R)
• M12: 5,832,522 km (0.096 R)
• M13: 9,343,434 km (0.104 R)
• M14: 9,990,744 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 14.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.35 AU - 1.67 AU

Year: 1237 Days

Day: 15 Hours

Environment

Temp: -190 °C

Axial Tilt: 85.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,299,822 km

• M1: 183,407 km (0.117 R)
• M2: 651,648 km (0.101 R)
• M3: 1,307,635 km (0.09 R)
• M4: 2,323,704 km (0.06 R)
• M5: 2,781,623 km (0.109 R)
• M6: 3,421,154 km (0.09 R)
• M7: 4,840,688 km (0.111 R)
• M8: 5,427,710 km (0.079 R)
• M9: 6,084,594 km (0.077 R)
• M10: 6,551,788 km (0.108 R)
• M11: 9,381,731 km (0.099 R)
• M12: 10,594,222 km (0.096 R)
• M13: 12,162,606 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.8

Radius: 14.2

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.87 AU - 2.53 AU

Year: 2176 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,299,822 km

• M1: 176,825 km (0.093 R)
• M2: 816,505 km (0.084 R)
• M3: 1,380,340 km (0.113 R)
• M4: 1,957,339 km (0.119 R)
• M5: 2,680,046 km (0.091 R)
• M6: 3,524,227 km (0.097 R)
• M7: 4,028,222 km (0.086 R)
• M8: 5,049,676 km (0.115 R)
• M9: 5,622,038 km (0.083 R)
• M10: 6,263,064 km (0.098 R)
• M11: 6,843,205 km (0.08 R)
• M12: 7,633,231 km (0.116 R)
• M13: 9,062,938 km (0.095 R)
• M14: 10,445,522 km (0.097 R)
• M15: 11,378,414 km (0.084 R)
• M16: 12,985,993 km (0.117 R)
• M17: 14,332,523 km (0.085 R)
• M18: 14,878,107 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.1

Radius: 7.4

Gravity: 17.72 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.33 AU - 8.53 AU

Year: 16322 Days

Day: 16.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,299,822 km

• M1: 92,003 km (0.104 R)
• M2: 451,786 km (0.117 R)
• M3: 2,557,076 km (0.106 R)
• M4: 2,794,787 km (0.08 R)
• M5: 3,598,278 km (0.095 R)
• M6: 4,279,097 km (0.102 R)
• M7: 5,935,296 km (0.116 R)
• M8: 7,441,297 km (0.115 R)
• M9: 8,029,067 km (0.031 R)
• M10: 15,711,965 km (0.106 R)
• M11: 15,949,826 km (0.065 R)
• M12: 16,190,080 km (0.035 R)
• M13: 17,008,530 km (0.1 R)
• M14: 17,259,256 km (0.097 R)
• M15: 17,512,525 km (0.101 R)
• M16: 23,114,965 km (0.096 R)
• M17: 23,837,523 km (0.098 R)
• M18: 26,541,654 km (0.114 R)
• M19: 30,170,300 km (0.042 R)
• M20: 37,680,861 km (0.079 R)
• M21: 52,809,395 km (0.093 R)
• M22: 63,186,849 km (0.032 R)
• M23: 64,597,857 km (0.105 R)
• M24: 69,808,650 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.4

Radius: 4.3

Gravity: 32.47 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.72 AU - 11.06 AU

Year: 17676 Days

Day: 21.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 51.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,299,822 km

• M1: 105,616 km (0.118 R)
• M2: 241,301 km (0.117 R)
• M3: 418,724 km (0.087 R)
• M4: 622,327 km (0.089 R)
• M5: 945,459 km (0.096 R)
• M6: 1,244,804 km (0.056 R)
• M7: 1,654,104 km (0.115 R)
• M8: 2,030,492 km (0.083 R)
• M9: 2,311,586 km (0.061 R)
• M10: 2,853,131 km (0.119 R)
• M11: 3,127,942 km (0.07 R)
• M12: 3,643,905 km (0.093 R)
• M13: 4,214,621 km (0.115 R)
• M14: 5,607,227 km (0.106 R)
• M15: 5,879,047 km (0.092 R)
• M16: 8,379,276 km (0.045 R)
• M17: 9,367,071 km (0.098 R)
• M18: 9,584,436 km (0.034 R)
• M19: 9,749,742 km (0.097 R)
• M20: 10,841,058 km (0.09 R)
• M21: 12,925,705 km (0.045 R)
• M22: 13,885,525 km (0.112 R)
• M23: 14,818,567 km (0.067 R)
• M24: 15,413,069 km (0.098 R)
• M25: 16,178,411 km (0.048 R)
• M26: 19,143,292 km (0.104 R)
• M27: 20,116,874 km (0.087 R)
• M28: 26,551,528 km (0.073 R)
• M29: 28,322,318 km (0.118 R)
• M30: 29,701,161 km (0.113 R)
• M31: 35,796,227 km (0.057 R)
• M32: 36,595,379 km (0.074 R)
• M33: 38,784,594 km (0.117 R)
• M34: 41,350,048 km (0.083 R)
• M35: 49,556,389 km (0.118 R)
• M36: 52,401,890 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.4

Radius: 6.6

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.03 AU - 11.89 AU

Year: 20961 Days

Day: 24.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,299,822 km

• M1: 82,129 km (0.071 R)
• M2: 299,944 km (0.076 R)
• M3: 600,785 km (0.111 R)
• M4: 1,205,609 km (0.102 R)
• M5: 2,048,444 km (0.116 R)
• M6: 3,111,935 km (0.076 R)
• M7: 3,589,601 km (0.109 R)
• M8: 4,753,772 km (0.093 R)
• M9: 5,815,019 km (0.116 R)
• M10: 6,342,651 km (0.085 R)
• M11: 6,779,327 km (0.093 R)
• M12: 13,954,938 km (0.044 R)
• M13: 14,220,474 km (0.066 R)
• M14: 16,763,937 km (0.117 R)
• M15: 19,595,675 km (0.055 R)
• M16: 21,917,734 km (0.088 R)
• M17: 22,914,205 km (0.092 R)
• M18: 30,975,137 km (0.113 R)
• M19: 33,753,917 km (0.119 R)
• M20: 39,668,568 km (0.118 R)
• M21: 46,680,819 km (0.104 R)
• M22: 52,052,579 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 13,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit