🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.3

Radius: 15

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.56 AU - 0.6 AU

Year: 300 Days

Day: 5 Hours

Environment

Temp: -140 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,601,878 km

• M1: 186,549 km (0.043 R)
• M2: 689,347 km (0.051 R)
• M3: 1,382,135 km (0.032 R)
• M4: 2,103,496 km (0.076 R)
• M5: 2,701,887 km (0.091 R)
• M6: 3,270,209 km (0.104 R)
• M7: 3,772,410 km (0.117 R)
• M8: 4,366,163 km (0.105 R)
• M9: 4,877,190 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 10.4

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.49 AU - 0.71 AU

Year: 315 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 58,601,878 km

• M1: 182,659 km (0.114 R)
• M2: 651,648 km (0.109 R)
• M3: 994,078 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347

Radius: 12.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.48 AU - 1.84 AU

Year: 1451 Days

Day: 5.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,601,878 km

• M1: 156,629 km (0.1 R)
• M2: 617,690 km (0.053 R)
• M3: 1,424,770 km (0.105 R)
• M4: 1,942,977 km (0.087 R)
• M5: 2,742,877 km (0.04 R)
• M6: 3,798,290 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.4

Radius: 13.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.93 AU - 2.07 AU

Year: 1918 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,601,878 km

• M1: 172,935 km (0.119 R)
• M2: 945,907 km (0.072 R)
• M3: 1,878,201 km (0.116 R)
• M4: 2,855,973 km (0.108 R)
• M5: 3,594,837 km (0.116 R)
• M6: 4,062,480 km (0.084 R)
• M7: 5,286,938 km (0.119 R)
• M8: 5,782,855 km (0.074 R)
• M9: 6,670,868 km (0.108 R)
• M10: 7,147,936 km (0.11 R)
• M11: 7,674,820 km (0.085 R)
• M12: 11,722,040 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.8

Radius: 11.5

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.34 AU - 3.34 AU

Year: 3246 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,601,878 km

• M1: 143,016 km (0.075 R)
• M2: 546,930 km (0.118 R)
• M3: 1,291,179 km (0.055 R)
• M4: 1,770,192 km (0.088 R)
• M5: 2,263,416 km (0.086 R)
• M6: 2,847,595 km (0.101 R)
• M7: 3,964,194 km (0.105 R)
• M8: 4,527,430 km (0.1 R)
• M9: 4,940,470 km (0.051 R)
• M10: 6,946,128 km (0.076 R)
• M11: 8,007,974 km (0.106 R)
• M12: 12,072,399 km (0.111 R)
• M13: 16,703,201 km (0.104 R)
• M14: 23,388,879 km (0.102 R)
• M15: 24,112,933 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.7

Radius: 11.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.53 AU - 3.45 AU

Year: 3507 Days

Day: 6.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,601,878 km

• M1: 144,362 km (0.087 R)
• M2: 938,876 km (0.109 R)
• M3: 1,453,343 km (0.077 R)
• M4: 1,825,543 km (0.115 R)
• M5: 2,388,330 km (0.115 R)
• M6: 4,295,254 km (0.112 R)
• M7: 5,011,828 km (0.068 R)
• M8: 5,758,770 km (0.081 R)
• M9: 6,171,810 km (0.049 R)
• M10: 6,762,273 km (0.039 R)
• M11: 7,966,984 km (0.1 R)
• M12: 8,730,532 km (0.105 R)
• M13: 9,146,414 km (0.068 R)
• M14: 12,600,180 km (0.117 R)
• M15: 13,008,133 km (0.11 R)
• M16: 13,466,950 km (0.09 R)
• M17: 14,417,196 km (0.108 R)
• M18: 15,227,418 km (0.102 R)
• M19: 15,737,397 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.2

Radius: 10.1

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.03 AU - 5.11 AU

Year: 7743 Days

Day: 10.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,601,878 km

• M1: 125,662 km (0.092 R)
• M2: 1,073,215 km (0.094 R)
• M3: 2,215,993 km (0.114 R)
• M4: 3,009,311 km (0.099 R)
• M5: 3,905,701 km (0.111 R)
• M6: 4,970,988 km (0.115 R)
• M7: 5,914,651 km (0.092 R)
• M8: 7,989,125 km (0.09 R)
• M9: 8,661,567 km (0.092 R)
• M10: 13,053,611 km (0.107 R)
• M11: 15,088,292 km (0.085 R)
• M12: 18,094,910 km (0.079 R)
• M13: 18,523,807 km (0.037 R)
• M14: 19,776,240 km (0.09 R)
• M15: 21,799,402 km (0.096 R)
• M16: 24,648,493 km (0.12 R)
• M17: 27,174,154 km (0.09 R)
• M18: 28,499,591 km (0.105 R)
• M19: 30,769,739 km (0.106 R)
• M20: 31,793,437 km (0.081 R)
• M21: 35,443,924 km (0.085 R)
• M22: 36,910,731 km (0.059 R)
• M23: 37,717,064 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.9

Radius: 4

Gravity: 34.81 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.98 AU - 7.32 AU

Year: 10344 Days

Day: 24.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,601,878 km

• M1: 49,816 km (0.098 R)
• M2: 334,501 km (0.113 R)
• M3: 613,202 km (0.089 R)
• M4: 4,023,584 km (0.116 R)
• M5: 4,948,398 km (0.113 R)
• M6: 6,006,654 km (0.079 R)
• M7: 6,329,486 km (0.085 R)
• M8: 7,088,396 km (0.065 R)
• M9: 8,293,706 km (0.062 R)
• M10: 10,272,287 km (0.045 R)
• M11: 10,890,575 km (0.111 R)
• M12: 15,997,847 km (0.111 R)
• M13: 16,409,091 km (0.1 R)
• M14: 19,877,817 km (0.079 R)
• M15: 20,593,493 km (0.106 R)
• M16: 23,016,231 km (0.077 R)
• M17: 24,340,920 km (0.086 R)
• M18: 24,884,708 km (0.071 R)
• M19: 28,021,177 km (0.112 R)
• M20: 40,996,848 km (0.114 R)
• M21: 42,154,436 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.6

Radius: 5.2

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.03 AU - 10.19 AU

Year: 20206 Days

Day: 22.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 131 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,601,878 km

• M1: 95,743 km (0.119 R)
• M2: 646,412 km (0.098 R)
• M3: 834,158 km (0.098 R)
• M4: 2,639,505 km (0.084 R)
• M5: 3,029,806 km (0.105 R)
• M6: 3,727,381 km (0.113 R)
• M7: 4,783,990 km (0.086 R)
• M8: 5,017,213 km (0.044 R)
• M9: 5,434,442 km (0.036 R)
• M10: 5,912,407 km (0.091 R)
• M11: 6,259,325 km (0.1 R)
• M12: 6,579,015 km (0.074 R)
• M13: 7,338,075 km (0.055 R)
• M14: 7,829,653 km (0.107 R)
• M15: 11,077,423 km (0.102 R)
• M16: 11,485,975 km (0.098 R)
• M17: 14,083,293 km (0.109 R)
• M18: 18,067,533 km (0.065 R)
• M19: 20,839,283 km (0.099 R)
• M20: 23,593,529 km (0.103 R)
• M21: 28,273,250 km (0.063 R)
• M22: 28,489,568 km (0.118 R)
• M23: 31,058,612 km (0.086 R)
• M24: 33,778,002 km (0.114 R)
• M25: 36,140,901 km (0.11 R)
• M26: 37,558,041 km (0.025 R)
• M27: 38,478,816 km (0.12 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 10,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit