🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384

Radius: 10.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.43 AU - 0.69 AU

Year: 279 Days

Day: 7.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,980,435 km

• M1: 133,142 km (0.08 R)
• M2: 481,107 km (0.096 R)
• M3: 838,646 km (0.091 R)
• M4: 1,666,221 km (0.119 R)
• M5: 2,863,602 km (0.101 R)
• M6: 3,463,789 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.4

Radius: 14.8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.61 AU - 4.59 AU

Year: 5536 Days

Day: 14.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,980,435 km

• M1: 184,005 km (0.114 R)
• M2: 844,929 km (0.07 R)
• M3: 1,584,092 km (0.08 R)
• M4: 2,254,590 km (0.064 R)
• M5: 3,110,738 km (0.096 R)
• M6: 4,498,707 km (0.119 R)
• M7: 6,380,050 km (0.072 R)
• M8: 8,881,925 km (0.108 R)
• M9: 10,450,758 km (0.066 R)
• M10: 14,621,995 km (0.079 R)
• M11: 15,224,127 km (0.094 R)
• M12: 17,407,657 km (0.115 R)
• M13: 17,913,597 km (0.068 R)
• M14: 18,603,542 km (0.112 R)
• M15: 20,780,341 km (0.114 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.8

Radius: 3.4

Gravity: 54.39 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.46 AU - 6.7 AU

Year: 9997 Days

Day: 22.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,980,435 km

• M1: 42,336 km (0.07 R)
• M2: 161,865 km (0.086 R)
• M3: 403,465 km (0.069 R)
• M4: 511,176 km (0.099 R)
• M5: 623,374 km (0.074 R)
• M6: 813,812 km (0.096 R)
• M7: 1,236,875 km (0.027 R)
• M8: 1,428,510 km (0.098 R)
• M9: 1,839,156 km (0.096 R)
• M10: 2,457,145 km (0.117 R)
• M11: 2,636,214 km (0.103 R)
• M12: 3,465,285 km (0.081 R)
• M13: 4,226,439 km (0.116 R)
• M14: 5,188,503 km (0.029 R)
• M15: 5,517,020 km (0.077 R)
• M16: 5,999,772 km (0.07 R)
• M17: 7,167,982 km (0.101 R)
• M18: 7,492,460 km (0.119 R)
• M19: 8,083,820 km (0.075 R)
• M20: 9,844,437 km (0.08 R)
• M21: 11,789,060 km (0.102 R)
• M22: 18,594,866 km (0.1 R)
• M23: 21,039,145 km (0.083 R)
• M24: 21,786,985 km (0.096 R)
• M25: 22,811,581 km (0.057 R)
• M26: 28,619,868 km (0.06 R)
• M27: 29,127,154 km (0.101 R)
• M28: 30,474,133 km (0.052 R)
• M29: 35,108,825 km (0.079 R)
• M30: 36,277,633 km (0.115 R)
• M31: 36,514,596 km (0.117 R)
• M32: 36,991,215 km (0.064 R)
• M33: 37,231,170 km (0.038 R)
• M34: 39,562,503 km (0.096 R)
• M35: 41,599,727 km (0.071 R)
• M36: 42,775,716 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.9

Radius: 5.5

Gravity: 28.26 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.44 AU - 6.9 AU

Year: 11487 Days

Day: 18.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,980,435 km

• M1: 69,413 km (0.026 R)
• M2: 259,253 km (0.116 R)
• M3: 450,140 km (0.08 R)
• M4: 703,858 km (0.094 R)
• M5: 1,349,822 km (0.108 R)
• M6: 1,579,604 km (0.056 R)
• M7: 2,137,305 km (0.083 R)
• M8: 2,640,702 km (0.098 R)
• M9: 4,950,343 km (0.114 R)
• M10: 5,752,786 km (0.08 R)
• M11: 6,281,914 km (0.081 R)
• M12: 6,842,756 km (0.102 R)
• M13: 7,135,519 km (0.079 R)
• M14: 8,343,223 km (0.081 R)
• M15: 10,050,434 km (0.076 R)
• M16: 10,428,767 km (0.12 R)
• M17: 11,679,854 km (0.101 R)
• M18: 12,464,345 km (0.029 R)
• M19: 15,666,487 km (0.109 R)
• M20: 18,803,106 km (0.035 R)
• M21: 20,820,732 km (0.107 R)
• M22: 22,517,023 km (0.093 R)
• M23: 34,422,470 km (0.053 R)
• M24: 36,914,023 km (0.088 R)
• M25: 40,736,398 km (0.11 R)
• M26: 41,146,296 km (0.076 R)
• M27: 43,663,430 km (0.115 R)
• M28: 48,848,193 km (0.049 R)
• M29: 53,770,262 km (0.081 R)
• M30: 55,258,910 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.7

Radius: 3.5

Gravity: 60.22 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.56 AU - 8.84 AU

Year: 12883 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,980,435 km

• M1: 43,683 km (0.093 R)
• M2: 255,812 km (0.1 R)
• M3: 637,437 km (0.035 R)
• M4: 908,957 km (0.115 R)
• M5: 1,213,239 km (0.057 R)
• M6: 1,505,703 km (0.028 R)
• M7: 2,094,819 km (0.116 R)
• M8: 2,228,859 km (0.115 R)
• M9: 2,666,133 km (0.111 R)
• M10: 3,258,391 km (0.105 R)
• M11: 3,386,597 km (0.079 R)
• M12: 3,791,708 km (0.097 R)
• M13: 4,961,413 km (0.093 R)
• M14: 5,200,471 km (0.104 R)
• M15: 6,194,997 km (0.084 R)
• M16: 6,593,377 km (0.113 R)
• M17: 10,088,731 km (0.076 R)
• M18: 10,922,290 km (0.093 R)
• M19: 11,921,305 km (0.086 R)
• M20: 12,042,778 km (0.087 R)
• M21: 12,725,244 km (0.075 R)
• M22: 17,683,516 km (0.1 R)
• M23: 19,896,367 km (0.053 R)
• M24: 20,585,864 km (0.082 R)
• M25: 21,830,518 km (0.06 R)
• M26: 26,067,579 km (0.054 R)
• M27: 27,416,951 km (0.119 R)
• M28: 30,366,872 km (0.119 R)
• M29: 32,683,694 km (0.116 R)
• M30: 33,280,739 km (0.064 R)
• M31: 33,642,467 km (0.08 R)
• M32: 34,373,701 km (0.059 R)
• M33: 45,751,816 km (0.101 R)
• M34: 46,498,758 km (0.119 R)
• M35: 46,950,693 km (0.086 R)
• M36: 47,253,629 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.8

Radius: 4.3

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.88 AU - 8.4 AU

Year: 14082 Days

Day: 19 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,980,435 km

• M1: 81,381 km (0.115 R)
• M2: 250,876 km (0.09 R)
• M3: 533,765 km (0.11 R)
• M4: 747,391 km (0.027 R)
• M5: 1,036,414 km (0.089 R)
• M6: 1,218,325 km (0.082 R)
• M7: 3,603,364 km (0.087 R)
• M8: 4,755,417 km (0.048 R)
• M9: 7,136,417 km (0.054 R)
• M10: 7,519,986 km (0.063 R)
• M11: 7,876,627 km (0.064 R)
• M12: 10,647,479 km (0.087 R)
• M13: 14,424,077 km (0.055 R)
• M14: 16,709,185 km (0.053 R)
• M15: 20,879,824 km (0.106 R)
• M16: 24,643,257 km (0.091 R)
• M17: 28,738,798 km (0.066 R)
• M18: 33,796,104 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299

Radius: 5

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.01 AU - 9.37 AU

Year: 14221 Days

Day: 25 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,980,435 km

• M1: 64,177 km (0.104 R)
• M2: 236,514 km (0.072 R)
• M3: 762,500 km (0.047 R)
• M4: 1,253,032 km (0.082 R)
• M5: 1,667,717 km (0.054 R)
• M6: 1,835,267 km (0.076 R)
• M7: 2,014,036 km (0.12 R)
• M8: 2,503,072 km (0.054 R)
• M9: 2,978,942 km (0.109 R)
• M10: 4,302,584 km (0.08 R)
• M11: 7,093,632 km (0.081 R)
• M12: 9,637,394 km (0.032 R)
• M13: 12,789,272 km (0.069 R)
• M14: 13,143,819 km (0.044 R)
• M15: 15,344,403 km (0.047 R)
• M16: 15,812,196 km (0.078 R)
• M17: 16,152,082 km (0.092 R)
• M18: 20,700,306 km (0.058 R)
• M19: 21,025,382 km (0.071 R)
• M20: 23,221,479 km (0.117 R)
• M21: 26,603,438 km (0.098 R)
• M22: 26,891,115 km (0.095 R)
• M23: 36,404,343 km (0.067 R)
• M24: 41,711,776 km (0.086 R)
• M25: 43,811,382 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 17,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit