🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.8

Radius: 11.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.65 AU - 1.05 AU

Year: 551 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,395,672 km

• M1: 144,362 km (0.101 R)
• M2: 507,885 km (0.118 R)
• M3: 910,453 km (0.066 R)
• M4: 1,817,165 km (0.047 R)
• M5: 2,307,697 km (0.089 R)
• M6: 2,682,888 km (0.063 R)
• M7: 3,739,199 km (0.1 R)
• M8: 4,203,850 km (0.072 R)
• M9: 5,434,891 km (0.116 R)
• M10: 6,367,484 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.8

Radius: 8.4

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.87 AU - 0.99 AU

Year: 630 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,395,672 km

• M1: 106,514 km (0.105 R)
• M2: 409,599 km (0.109 R)
• M3: 809,923 km (0.071 R)
• M4: 1,244,804 km (0.083 R)
• M5: 1,597,107 km (0.103 R)
• M6: 1,861,746 km (0.066 R)
• M7: 2,288,399 km (0.07 R)
• M8: 2,610,782 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.7

Radius: 8.4

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.92 AU - 1.16 AU

Year: 746 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,395,672 km

• M1: 105,167 km (0.114 R)
• M2: 476,320 km (0.119 R)
• M3: 745,147 km (0.049 R)
• M4: 1,060,948 km (0.114 R)
• M5: 1,437,187 km (0.087 R)
• M6: 1,814,473 km (0.052 R)
• M7: 2,266,857 km (0.104 R)
• M8: 2,536,432 km (0.1 R)
• M9: 3,029,955 km (0.111 R)
• M10: 3,586,011 km (0.091 R)
• M11: 4,378,730 km (0.09 R)
• M12: 4,667,603 km (0.109 R)
• M13: 5,107,271 km (0.114 R)
• M14: 6,049,887 km (0.083 R)
• M15: 6,719,039 km (0.091 R)
• M16: 7,369,191 km (0.099 R)
• M17: 7,778,940 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.4

Radius: 12.4

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.35 AU - 1.73 AU

Year: 1343 Days

Day: 14.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,395,672 km

• M1: 154,235 km (0.085 R)
• M2: 699,669 km (0.079 R)
• M3: 1,325,288 km (0.1 R)
• M4: 2,005,359 km (0.092 R)
• M5: 2,456,247 km (0.08 R)
• M6: 3,674,872 km (0.083 R)
• M7: 6,019,519 km (0.115 R)
• M8: 6,705,276 km (0.112 R)
• M9: 9,765,899 km (0.03 R)
• M10: 11,413,121 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.7

Radius: 8.8

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.14 AU - 2.58 AU

Year: 2548 Days

Day: 9.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,395,672 km

• M1: 109,506 km (0.109 R)
• M2: 408,552 km (0.118 R)
• M3: 841,937 km (0.04 R)
• M4: 1,429,856 km (0.074 R)
• M5: 1,804,150 km (0.118 R)
• M6: 2,309,642 km (0.041 R)
• M7: 4,469,984 km (0.092 R)
• M8: 5,469,298 km (0.119 R)
• M9: 6,610,580 km (0.109 R)
• M10: 8,123,763 km (0.101 R)
• M11: 10,483,220 km (0.096 R)
• M12: 11,177,205 km (0.089 R)
• M13: 12,528,522 km (0.071 R)
• M14: 12,871,850 km (0.055 R)
• M15: 13,398,733 km (0.108 R)
• M16: 14,636,656 km (0.102 R)
• M17: 16,352,693 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 12.1

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.24 AU - 2.56 AU

Year: 2614 Days

Day: 10.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 166.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,395,672 km

• M1: 150,495 km (0.074 R)
• M2: 932,593 km (0.117 R)
• M3: 1,324,540 km (0.09 R)
• M4: 2,089,433 km (0.092 R)
• M5: 3,078,874 km (0.114 R)
• M6: 7,547,213 km (0.084 R)
• M7: 9,654,448 km (0.117 R)
• M8: 14,302,155 km (0.091 R)
• M9: 15,047,751 km (0.103 R)
• M10: 18,176,590 km (0.109 R)
• M11: 19,051,438 km (0.104 R)
• M12: 21,075,049 km (0.033 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.1

Radius: 8

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.64 AU - 8.44 AU

Year: 16025 Days

Day: 24 Hours

Environment

Temp: -238 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,395,672 km

• M1: 99,483 km (0.088 R)
• M2: 514,018 km (0.089 R)
• M3: 1,990,848 km (0.057 R)
• M4: 3,280,083 km (0.065 R)
• M5: 4,328,914 km (0.103 R)
• M6: 14,396,401 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.7

Radius: 6.2

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.96 AU - 9.66 AU

Year: 16839 Days

Day: 20.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,395,672 km

• M1: 79,436 km (0.077 R)
• M2: 362,775 km (0.109 R)
• M3: 566,378 km (0.072 R)
• M4: 918,381 km (0.107 R)
• M5: 1,115,252 km (0.081 R)
• M6: 1,884,634 km (0.091 R)
• M7: 2,303,059 km (0.114 R)
• M8: 2,565,753 km (0.102 R)
• M9: 3,200,347 km (0.1 R)
• M10: 4,371,549 km (0.11 R)
• M11: 5,307,284 km (0.082 R)
• M12: 6,215,492 km (0.053 R)
• M13: 7,223,184 km (0.072 R)
• M14: 8,289,068 km (0.082 R)
• M15: 9,405,218 km (0.119 R)
• M16: 9,816,014 km (0.12 R)
• M17: 13,159,676 km (0.114 R)
• M18: 14,741,075 km (0.095 R)
• M19: 15,016,485 km (0.084 R)
• M20: 15,791,551 km (0.093 R)
• M21: 16,518,896 km (0.119 R)
• M22: 20,751,169 km (0.096 R)
• M23: 21,010,273 km (0.106 R)
• M24: 21,359,135 km (0.11 R)
• M25: 24,195,361 km (0.086 R)
• M26: 26,353,909 km (0.07 R)
• M27: 26,556,315 km (0.11 R)
• M28: 30,268,287 km (0.086 R)
• M29: 37,538,743 km (0.113 R)
• M30: 38,570,819 km (0.091 R)
• M31: 39,621,894 km (0.066 R)
• M32: 47,969,305 km (0.087 R)
• M33: 51,517,318 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.8

Radius: 3.3

Gravity: 18.44 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.46 AU - 10.6 AU

Year: 22329 Days

Day: 21.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,395,672 km

• M1: 40,990 km (0.097 R)
• M2: 228,137 km (0.098 R)
• M3: 469,438 km (0.08 R)
• M4: 746,493 km (0.11 R)
• M5: 942,317 km (0.114 R)
• M6: 1,959,134 km (0.101 R)
• M7: 2,351,529 km (0.112 R)
• M8: 2,534,936 km (0.072 R)
• M9: 3,191,521 km (0.043 R)
• M10: 3,678,612 km (0.085 R)
• M11: 4,213,574 km (0.102 R)
• M12: 5,366,225 km (0.089 R)
• M13: 11,548,357 km (0.11 R)
• M14: 13,374,947 km (0.118 R)
• M15: 15,175,806 km (0.091 R)
• M16: 21,447,697 km (0.091 R)
• M17: 29,034,404 km (0.107 R)
• M18: 29,465,545 km (0.115 R)
• M19: 32,952,521 km (0.093 R)
• M20: 34,493,230 km (0.111 R)
• M21: 38,101,680 km (0.028 R)
• M22: 38,618,242 km (0.08 R)
• M23: 39,797,821 km (0.112 R)
• M24: 42,781,700 km (0.097 R)
• M25: 45,765,878 km (0.086 R)
• M26: 48,734,199 km (0.086 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: 372 - 14,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit