🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 11.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.42 AU - 0.62 AU

Year: 254 Days

Day: 13.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,606,600 km

• M1: 145,559 km (0.076 R)
• M2: 540,497 km (0.11 R)
• M3: 1,011,282 km (0.064 R)
• M4: 1,407,566 km (0.12 R)
• M5: 1,962,425 km (0.089 R)
• M6: 2,431,265 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.9

Radius: 13.5

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.63 AU - 0.97 AU

Year: 485 Days

Day: 8.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,606,600 km

• M1: 167,998 km (0.063 R)
• M2: 607,517 km (0.04 R)
• M3: 1,068,278 km (0.11 R)
• M4: 1,557,015 km (0.092 R)
• M5: 2,097,961 km (0.092 R)
• M6: 2,646,985 km (0.092 R)
• M7: 4,095,092 km (0.113 R)
• M8: 4,536,406 km (0.086 R)
• M9: 5,208,250 km (0.102 R)
• M10: 6,612,525 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.8

Radius: 13.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.1 AU - 1.46 AU

Year: 982 Days

Day: 11.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,606,600 km

• M1: 166,652 km (0.11 R)
• M2: 671,246 km (0.09 R)
• M3: 1,177,934 km (0.071 R)
• M4: 1,779,766 km (0.069 R)
• M5: 2,294,682 km (0.083 R)
• M6: 3,036,388 km (0.099 R)
• M7: 3,630,890 km (0.108 R)
• M8: 4,252,619 km (0.118 R)
• M9: 6,081,004 km (0.119 R)
• M10: 7,007,463 km (0.117 R)
• M11: 7,950,080 km (0.098 R)
• M12: 9,113,203 km (0.095 R)
• M13: 9,534,770 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.4

Radius: 8.3

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.67 AU - 2.47 AU

Year: 2020 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,606,600 km

• M1: 103,223 km (0.111 R)
• M2: 455,974 km (0.107 R)
• M3: 790,924 km (0.086 R)
• M4: 1,237,025 km (0.094 R)
• M5: 1,562,251 km (0.053 R)
• M6: 1,965,118 km (0.104 R)
• M7: 2,364,544 km (0.068 R)
• M8: 3,946,392 km (0.03 R)
• M9: 4,754,669 km (0.108 R)
• M10: 6,481,178 km (0.077 R)
• M11: 9,814,219 km (0.116 R)
• M12: 10,129,870 km (0.098 R)
• M13: 11,917,266 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.9

Radius: 5.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.25 AU - 7.71 AU

Year: 12508 Days

Day: 22.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 101.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,606,600 km

• M1: 69,264 km (0.096 R)
• M2: 349,610 km (0.085 R)
• M3: 1,228,049 km (0.045 R)
• M4: 2,286,454 km (0.117 R)
• M5: 3,067,205 km (0.037 R)
• M6: 4,084,770 km (0.118 R)
• M7: 5,166,063 km (0.049 R)
• M8: 7,003,574 km (0.078 R)
• M9: 7,953,371 km (0.078 R)
• M10: 9,577,854 km (0.109 R)
• M11: 10,791,691 km (0.05 R)
• M12: 20,579,281 km (0.104 R)
• M13: 22,895,206 km (0.103 R)
• M14: 25,048,967 km (0.081 R)
• M15: 26,987,306 km (0.059 R)
• M16: 30,969,602 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.7

Radius: 6.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.27 AU - 8.95 AU

Year: 14239 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,606,600 km

• M1: 85,121 km (0.093 R)
• M2: 316,399 km (0.087 R)
• M3: 535,860 km (0.078 R)
• M4: 753,973 km (0.101 R)
• M5: 1,444,816 km (0.087 R)
• M6: 1,739,075 km (0.092 R)
• M7: 2,417,053 km (0.079 R)
• M8: 3,317,183 km (0.104 R)
• M9: 4,866,868 km (0.081 R)
• M10: 6,105,538 km (0.102 R)
• M11: 6,942,538 km (0.11 R)
• M12: 9,585,932 km (0.104 R)
• M13: 9,829,328 km (0.097 R)
• M14: 11,108,240 km (0.098 R)
• M15: 11,649,635 km (0.068 R)
• M16: 25,486,690 km (0.085 R)
• M17: 25,954,183 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.7

Radius: 3.8

Gravity: 43.68 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.47 AU - 9.71 AU

Year: 18588 Days

Day: 15.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 36,606,600 km

• M1: 49,816 km (0.038 R)
• M2: 232,475 km (0.116 R)
• M3: 418,425 km (0.084 R)
• M4: 561,590 km (0.1 R)
• M5: 818,001 km (0.069 R)
• M6: 1,134,849 km (0.081 R)
• M7: 3,389,289 km (0.101 R)
• M8: 3,732,766 km (0.106 R)
• M9: 4,658,178 km (0.039 R)
• M10: 6,171,959 km (0.077 R)
• M11: 6,683,285 km (0.103 R)
• M12: 9,726,106 km (0.111 R)
• M13: 10,067,787 km (0.051 R)
• M14: 13,651,105 km (0.079 R)
• M15: 16,756,158 km (0.11 R)
• M16: 17,662,871 km (0.042 R)
• M17: 20,117,622 km (0.058 R)
• M18: 21,330,861 km (0.119 R)
• M19: 22,493,237 km (0.089 R)
• M20: 26,452,045 km (0.116 R)
• M21: 29,530,919 km (0.094 R)
• M22: 32,587,203 km (0.087 R)
• M23: 33,866,415 km (0.083 R)
• M24: 35,311,829 km (0.119 R)
• M25: 36,661,202 km (0.108 R)
• M26: 39,033,076 km (0.104 R)
• M27: 40,621,207 km (0.118 R)
• M28: 40,767,664 km (0.094 R)
• M29: 43,925,675 km (0.108 R)
• M30: 45,960,206 km (0.061 R)
• M31: 46,278,700 km (0.042 R)
• M32: 46,598,540 km (0.114 R)
• M33: 50,047,519 km (0.059 R)
• M34: 57,817,632 km (0.078 R)
• M35: 60,068,183 km (0.075 R)
• M36: 63,158,875 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.4

Radius: 5.3

Gravity: 16.85 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.3 AU - 10.16 AU

Year: 19019 Days

Day: 24.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,606,600 km

• M1: 65,973 km (0.108 R)
• M2: 280,945 km (0.046 R)
• M3: 856,597 km (0.075 R)
• M4: 1,275,322 km (0.05 R)
• M5: 1,891,665 km (0.06 R)
• M6: 2,781,174 km (0.032 R)
• M7: 3,072,740 km (0.099 R)
• M8: 3,357,724 km (0.072 R)
• M9: 4,010,569 km (0.103 R)
• M10: 4,949,894 km (0.11 R)
• M11: 5,125,522 km (0.106 R)
• M12: 5,564,143 km (0.106 R)
• M13: 5,754,282 km (0.106 R)
• M14: 10,299,215 km (0.043 R)
• M15: 13,893,902 km (0.092 R)
• M16: 15,554,439 km (0.047 R)
• M17: 16,085,062 km (0.047 R)
• M18: 16,943,006 km (0.025 R)
• M19: 17,423,664 km (0.118 R)
• M20: 22,452,546 km (0.119 R)
• M21: 25,451,535 km (0.107 R)
• M22: 29,275,256 km (0.106 R)
• M23: 30,669,658 km (0.092 R)
• M24: 33,841,582 km (0.109 R)
• M25: 37,494,612 km (0.067 R)
• M26: 40,685,235 km (0.116 R)
• M27: 48,716,995 km (0.07 R)
• M28: 64,470,998 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.3

Radius: 5.5

Gravity: 26.85 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.88 AU - 9.88 AU

Year: 19485 Days

Day: 20.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,606,600 km

• M1: 69,114 km (0.11 R)
• M2: 324,777 km (0.091 R)
• M3: 645,814 km (0.1 R)
• M4: 969,095 km (0.058 R)
• M5: 1,474,437 km (0.072 R)
• M6: 1,785,750 km (0.096 R)
• M7: 2,037,224 km (0.11 R)
• M8: 2,356,466 km (0.066 R)
• M9: 2,808,251 km (0.114 R)
• M10: 3,014,846 km (0.048 R)
• M11: 4,339,535 km (0.074 R)
• M12: 5,720,473 km (0.077 R)
• M13: 7,715,660 km (0.07 R)
• M14: 8,019,343 km (0.104 R)
• M15: 8,868,760 km (0.093 R)
• M16: 10,252,840 km (0.038 R)
• M17: 11,123,649 km (0.1 R)
• M18: 11,642,753 km (0.113 R)
• M19: 11,908,290 km (0.077 R)
• M20: 13,153,542 km (0.057 R)
• M21: 18,106,279 km (0.119 R)
• M22: 18,284,001 km (0.087 R)
• M23: 19,374,869 km (0.106 R)
• M24: 24,281,081 km (0.116 R)
• M25: 27,778,081 km (0.069 R)
• M26: 29,955,178 km (0.117 R)
• M27: 40,103,300 km (0.118 R)
• M28: 40,861,462 km (0.094 R)
• M29: 47,781,111 km (0.116 R)
• M30: 48,804,660 km (0.048 R)
• M31: 51,963,120 km (0.098 R)
• M32: 64,500,768 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.6

Radius: 7.3

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 9.23 AU - 12.11 AU

Year: 23639 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,606,600 km

• M1: 91,703 km (0.104 R)
• M2: 558,598 km (0.074 R)
• M3: 841,937 km (0.08 R)
• M4: 1,076,656 km (0.113 R)
• M5: 1,427,014 km (0.081 R)
• M6: 2,094,520 km (0.109 R)
• M7: 3,265,422 km (0.095 R)
• M8: 5,078,549 km (0.103 R)
• M9: 10,780,920 km (0.099 R)
• M10: 11,521,878 km (0.1 R)
• M11: 21,121,424 km (0.086 R)
• M12: 27,881,154 km (0.051 R)
• M13: 28,804,322 km (0.11 R)
• M14: 34,040,098 km (0.104 R)
• M15: 35,953,305 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 14,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit