🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169

Radius: 15

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.04 AU - 1.36 AU

Year: 877 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,274,068 km

• M1: 188,045 km (0.106 R)
• M2: 926,609 km (0.078 R)
• M3: 2,123,841 km (0.032 R)
• M4: 2,639,804 km (0.113 R)
• M5: 4,974,279 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.8

Radius: 14.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.15 AU - 1.43 AU

Year: 977 Days

Day: 7 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,274,068 km

• M1: 185,352 km (0.098 R)
• M2: 795,262 km (0.065 R)
• M3: 1,281,007 km (0.048 R)
• M4: 1,964,818 km (0.115 R)
• M5: 2,434,855 km (0.109 R)
• M6: 3,041,474 km (0.111 R)
• M7: 4,927,604 km (0.076 R)
• M8: 5,773,281 km (0.064 R)
• M9: 6,948,223 km (0.119 R)
• M10: 7,754,555 km (0.065 R)
• M11: 8,253,165 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755

Radius: 10.6

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.86 AU - 2.42 AU

Year: 2088 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,274,068 km

• M1: 160,967 km (0.077 R)
• M2: 495,319 km (0.035 R)
• M3: 1,118,693 km (0.072 R)
• M4: 2,254,739 km (0.12 R)
• M5: 3,683,249 km (0.114 R)
• M6: 4,580,388 km (0.112 R)
• M7: 4,991,183 km (0.03 R)
• M8: 5,593,165 km (0.105 R)
• M9: 5,962,074 km (0.055 R)
• M10: 6,505,862 km (0.1 R)
• M11: 7,082,412 km (0.084 R)
• M12: 8,886,263 km (0.097 R)
• M13: 9,424,217 km (0.102 R)
• M14: 12,779,996 km (0.091 R)
• M15: 13,597,250 km (0.095 R)
• M16: 16,507,078 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 11.8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.05 AU - 3.05 AU

Year: 2715 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,274,068 km

• M1: 151,692 km (0.057 R)
• M2: 940,971 km (0.065 R)
• M3: 1,494,932 km (0.109 R)
• M4: 3,031,152 km (0.103 R)
• M5: 3,732,916 km (0.084 R)
• M6: 4,474,173 km (0.025 R)
• M7: 4,880,331 km (0.102 R)
• M8: 7,023,470 km (0.112 R)
• M9: 8,796,953 km (0.068 R)
• M10: 9,401,179 km (0.071 R)
• M11: 11,053,338 km (0.071 R)
• M12: 13,300,447 km (0.076 R)
• M13: 16,731,624 km (0.079 R)
• M14: 19,858,519 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 13.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.45 AU - 2.77 AU

Year: 2812 Days

Day: 10.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,274,068 km

• M1: 169,195 km (0.066 R)
• M2: 634,445 km (0.083 R)
• M3: 1,079,648 km (0.039 R)
• M4: 2,086,442 km (0.064 R)
• M5: 2,755,593 km (0.117 R)
• M6: 3,273,501 km (0.096 R)
• M7: 4,314,253 km (0.093 R)
• M8: 6,104,341 km (0.031 R)
• M9: 6,886,439 km (0.108 R)
• M10: 7,508,916 km (0.091 R)
• M11: 8,110,000 km (0.117 R)
• M12: 8,992,627 km (0.108 R)
• M13: 10,073,921 km (0.066 R)
• M14: 11,648,438 km (0.098 R)
• M15: 13,714,086 km (0.111 R)
• M16: 14,789,694 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.7

Radius: 7.5

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.17 AU - 6.91 AU

Year: 11153 Days

Day: 23.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,274,068 km

• M1: 94,097 km (0.073 R)
• M2: 523,443 km (0.102 R)
• M3: 930,948 km (0.049 R)
• M4: 1,201,420 km (0.082 R)
• M5: 2,574,430 km (0.114 R)
• M6: 2,836,376 km (0.061 R)
• M7: 3,138,563 km (0.109 R)
• M8: 3,962,848 km (0.099 R)
• M9: 6,279,819 km (0.095 R)
• M10: 7,219,444 km (0.119 R)
• M11: 7,993,912 km (0.079 R)
• M12: 8,913,041 km (0.103 R)
• M13: 10,855,869 km (0.112 R)
• M14: 11,597,874 km (0.081 R)
• M15: 13,480,115 km (0.09 R)
• M16: 15,689,525 km (0.089 R)
• M17: 16,294,499 km (0.115 R)
• M18: 17,054,905 km (0.086 R)
• M19: 17,766,542 km (0.115 R)
• M20: 18,870,874 km (0.096 R)
• M21: 19,172,912 km (0.108 R)
• M22: 19,632,028 km (0.104 R)
• M23: 22,542,155 km (0.115 R)
• M24: 23,053,630 km (0.11 R)
• M25: 23,660,100 km (0.067 R)
• M26: 30,528,886 km (0.085 R)
• M27: 34,302,343 km (0.097 R)
• M28: 34,978,974 km (0.062 R)
• M29: 35,894,962 km (0.113 R)
• M30: 38,860,440 km (0.111 R)
• M31: 44,336,471 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.9

Radius: 4.2

Gravity: 36.11 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.22 AU - 9.16 AU

Year: 14221 Days

Day: 15.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,274,068 km

• M1: 52,808 km (0.109 R)
• M2: 232,475 km (0.085 R)
• M3: 457,620 km (0.063 R)
• M4: 889,958 km (0.116 R)
• M5: 1,696,589 km (0.118 R)
• M6: 2,081,355 km (0.1 R)
• M7: 2,741,680 km (0.107 R)
• M8: 3,399,163 km (0.103 R)
• M9: 4,338,338 km (0.077 R)
• M10: 5,121,782 km (0.071 R)
• M11: 6,072,327 km (0.1 R)
• M12: 7,801,230 km (0.109 R)
• M13: 9,726,554 km (0.041 R)
• M14: 10,377,305 km (0.12 R)
• M15: 10,713,302 km (0.088 R)
• M16: 14,552,582 km (0.081 R)
• M17: 18,967,963 km (0.062 R)
• M18: 19,134,465 km (0.117 R)
• M19: 19,554,686 km (0.101 R)
• M20: 19,724,629 km (0.111 R)
• M21: 24,790,013 km (0.083 R)
• M22: 26,723,416 km (0.053 R)
• M23: 27,354,270 km (0.101 R)
• M24: 28,754,955 km (0.108 R)
• M25: 34,588,524 km (0.091 R)
• M26: 40,885,397 km (0.098 R)
• M27: 42,570,916 km (0.1 R)
• M28: 44,010,497 km (0.1 R)
• M29: 47,291,178 km (0.051 R)
• M30: 55,006,987 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.5

Radius: 7.6

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.93 AU - 10.63 AU

Year: 21980 Days

Day: 24.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,274,068 km

• M1: 101,128 km (0.097 R)
• M2: 532,718 km (0.08 R)
• M3: 1,080,396 km (0.098 R)
• M4: 1,590,525 km (0.087 R)
• M5: 2,949,920 km (0.045 R)
• M6: 5,028,583 km (0.092 R)
• M7: 8,243,740 km (0.059 R)
• M8: 10,061,354 km (0.09 R)
• M9: 15,907,789 km (0.098 R)
• M10: 17,971,641 km (0.058 R)
• M11: 19,067,745 km (0.118 R)
• M12: 20,304,769 km (0.099 R)
• M13: 24,226,328 km (0.04 R)
• M14: 25,223,996 km (0.091 R)
• M15: 25,789,925 km (0.071 R)
• M16: 29,739,757 km (0.101 R)
• M17: 33,392,638 km (0.117 R)
• M18: 57,946,436 km (0.073 R)
• M19: 61,748,616 km (0.088 R)
• M20: 64,443,920 km (0.08 R)
• M21: 67,650,102 km (0.077 R)
• M22: 81,048,386 km (0.071 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: 358 - 19,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit