🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.2

Radius: 8.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.43 AU - 0.67 AU

Year: 272 Days

Day: 13.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 88,235,863 km

• M1: 106,065 km (0.117 R)
• M2: 550,520 km (0.056 R)
• M3: 1,240,017 km (0.095 R)
• M4: 1,625,680 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.6

Radius: 14.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.46 AU - 0.64 AU

Year: 272 Days

Day: 13.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,235,863 km

• M1: 181,612 km (0.032 R)
• M2: 699,370 km (0.054 R)
• M3: 1,214,136 km (0.098 R)
• M4: 2,138,801 km (0.113 R)
• M5: 2,663,889 km (0.103 R)
• M6: 3,127,792 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.4

Radius: 12.7

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.76 AU - 1.04 AU

Year: 569 Days

Day: 11.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,235,863 km

• M1: 157,975 km (0.081 R)
• M2: 579,991 km (0.07 R)
• M3: 1,093,112 km (0.114 R)
• M4: 1,705,565 km (0.107 R)
• M5: 2,330,436 km (0.06 R)
• M6: 3,690,430 km (0.11 R)
• M7: 4,543,886 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.7

Radius: 10.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.96 AU - 1.06 AU

Year: 677 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,235,863 km

• M1: 129,402 km (0.087 R)
• M2: 583,880 km (0.068 R)
• M3: 1,290,730 km (0.088 R)
• M4: 2,436,052 km (0.11 R)
• M5: 3,620,268 km (0.092 R)
• M6: 4,160,018 km (0.116 R)
• M7: 4,957,524 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 13.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.82 AU - 1.32 AU

Year: 738 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 153.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,235,863 km

• M1: 164,258 km (0.091 R)
• M2: 675,734 km (0.062 R)
• M3: 1,147,416 km (0.047 R)
• M4: 1,611,767 km (0.109 R)
• M5: 2,375,016 km (0.05 R)
• M6: 3,099,668 km (0.108 R)
• M7: 4,241,548 km (0.093 R)
• M8: 4,700,365 km (0.078 R)
• M9: 5,226,501 km (0.111 R)
• M10: 5,755,180 km (0.079 R)
• M11: 6,397,553 km (0.107 R)
• M12: 7,150,479 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.5

Radius: 12.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.03 AU - 1.27 AU

Year: 822 Days

Day: 8.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,235,863 km

• M1: 159,920 km (0.072 R)
• M2: 645,964 km (0.117 R)
• M3: 1,123,181 km (0.06 R)
• M4: 1,574,218 km (0.101 R)
• M5: 2,035,129 km (0.116 R)
• M6: 2,719,988 km (0.077 R)
• M7: 3,262,730 km (0.117 R)
• M8: 3,692,075 km (0.099 R)
• M9: 5,412,002 km (0.103 R)
• M10: 5,958,782 km (0.107 R)
• M11: 6,604,896 km (0.049 R)
• M12: 7,208,224 km (0.108 R)
• M13: 7,847,904 km (0.032 R)
• M14: 8,278,896 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.2

Radius: 11.5

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.02 AU - 3.14 AU

Year: 2763 Days

Day: 5 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,235,863 km

• M1: 143,016 km (0.089 R)
• M2: 683,213 km (0.082 R)
• M3: 1,974,841 km (0.077 R)
• M4: 2,841,013 km (0.094 R)
• M5: 4,821,091 km (0.037 R)
• M6: 5,626,226 km (0.09 R)
• M7: 6,042,707 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613

Radius: 14.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.24 AU - 4.6 AU

Year: 6197 Days

Day: 8.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,235,863 km

• M1: 184,155 km (0.102 R)
• M2: 1,178,831 km (0.112 R)
• M3: 1,916,798 km (0.066 R)
• M4: 2,693,360 km (0.029 R)
• M5: 3,584,664 km (0.083 R)
• M6: 4,184,851 km (0.089 R)
• M7: 6,335,021 km (0.105 R)
• M8: 6,800,420 km (0.059 R)
• M9: 7,360,215 km (0.098 R)
• M10: 11,105,248 km (0.103 R)
• M11: 12,033,802 km (0.064 R)
• M12: 14,270,290 km (0.104 R)
• M13: 18,192,896 km (0.097 R)
• M14: 18,864,740 km (0.088 R)
• M15: 27,127,928 km (0.099 R)
• M16: 29,725,097 km (0.067 R)
• M17: 30,657,840 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.5

Radius: 6.2

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.79 AU - 8.05 AU

Year: 12139 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,235,863 km

• M1: 81,232 km (0.12 R)
• M2: 296,952 km (0.099 R)
• M3: 585,376 km (0.098 R)
• M4: 869,612 km (0.041 R)
• M5: 2,810,495 km (0.072 R)
• M6: 7,131,929 km (0.039 R)
• M7: 13,062,587 km (0.107 R)
• M8: 16,236,156 km (0.05 R)
• M9: 16,690,485 km (0.046 R)
• M10: 17,421,270 km (0.102 R)
• M11: 17,966,106 km (0.055 R)
• M12: 20,710,030 km (0.084 R)
• M13: 22,260,762 km (0.097 R)
• M14: 22,902,237 km (0.115 R)
• M15: 28,018,484 km (0.08 R)
• M16: 32,193,462 km (0.066 R)
• M17: 32,807,262 km (0.118 R)
• M18: 33,428,691 km (0.056 R)
• M19: 33,637,530 km (0.112 R)
• M20: 35,231,944 km (0.107 R)

Asteroid Belt

Center: 8.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.9

Radius: 4.5

Gravity: 45.38 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.18 AU - 12.12 AU

Year: 21564 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,235,863 km

• M1: 55,950 km (0.088 R)
• M2: 268,079 km (0.103 R)
• M3: 417,079 km (0.059 R)
• M4: 561,740 km (0.063 R)
• M5: 1,020,706 km (0.08 R)
• M6: 2,436,800 km (0.093 R)
• M7: 2,708,469 km (0.078 R)
• M8: 3,676,966 km (0.05 R)
• M9: 5,010,033 km (0.114 R)
• M10: 5,408,412 km (0.076 R)
• M11: 6,267,852 km (0.067 R)
• M12: 6,825,104 km (0.083 R)
• M13: 7,264,323 km (0.086 R)
• M14: 8,145,006 km (0.101 R)
• M15: 8,362,222 km (0.108 R)
• M16: 10,366,833 km (0.057 R)
• M17: 21,071,758 km (0.101 R)
• M18: 25,063,178 km (0.094 R)
• M19: 28,274,746 km (0.062 R)
• M20: 42,386,612 km (0.077 R)
• M21: 42,549,075 km (0.107 R)
• M22: 43,863,143 km (0.091 R)
• M23: 44,698,049 km (0.102 R)
• M24: 55,558,405 km (0.112 R)
• M25: 67,607,167 km (0.102 R)
• M26: 70,755,455 km (0.06 R)
• M27: 86,919,804 km (0.091 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 15,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit