🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.4

Radius: 14.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.58 AU - 0.82 AU

Year: 378 Days

Day: 5.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,208,405 km

• M1: 182,958 km (0.078 R)
• M2: 657,782 km (0.062 R)
• M3: 1,152,801 km (0.108 R)
• M4: 1,629,270 km (0.106 R)
• M5: 2,166,177 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.5

Radius: 13.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.63 AU - 0.97 AU

Year: 462 Days

Day: 13 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,208,405 km

• M1: 172,935 km (0.037 R)
• M2: 624,571 km (0.095 R)
• M3: 1,132,007 km (0.105 R)
• M4: 1,579,754 km (0.109 R)
• M5: 2,346,143 km (0.118 R)
• M6: 3,362,063 km (0.105 R)
• M7: 3,799,188 km (0.088 R)
• M8: 4,608,512 km (0.107 R)
• M9: 5,649,414 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 12.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.99 AU - 1.09 AU

Year: 685 Days

Day: 6.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,208,405 km

• M1: 162,912 km (0.104 R)
• M2: 644,168 km (0.083 R)
• M3: 1,173,296 km (0.092 R)
• M4: 1,982,621 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.2

Radius: 8.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.84 AU - 1.98 AU

Year: 1704 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,208,405 km

• M1: 120,127 km (0.12 R)
• M2: 382,821 km (0.05 R)
• M3: 1,075,160 km (0.106 R)
• M4: 1,399,638 km (0.111 R)
• M5: 3,649,739 km (0.102 R)
• M6: 4,470,882 km (0.109 R)
• M7: 5,094,855 km (0.089 R)
• M8: 5,831,624 km (0.08 R)
• M9: 7,360,664 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 12.2

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.58 AU - 6.46 AU

Year: 8374 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,208,405 km

• M1: 156,180 km (0.047 R)
• M2: 546,481 km (0.065 R)
• M3: 1,322,146 km (0.034 R)
• M4: 2,271,644 km (0.034 R)
• M5: 2,825,305 km (0.096 R)
• M6: 3,422,201 km (0.083 R)
• M7: 4,447,246 km (0.115 R)
• M8: 5,475,282 km (0.108 R)
• M9: 5,895,502 km (0.102 R)
• M10: 9,653,551 km (0.101 R)
• M11: 10,172,655 km (0.109 R)
• M12: 11,736,252 km (0.119 R)
• M13: 15,083,205 km (0.058 R)
• M14: 18,368,225 km (0.106 R)
• M15: 20,910,042 km (0.11 R)
• M16: 21,302,737 km (0.08 R)
• M17: 22,510,291 km (0.107 R)
• M18: 27,705,675 km (0.077 R)
• M19: 29,633,992 km (0.108 R)
• M20: 31,960,538 km (0.082 R)
• M21: 35,507,653 km (0.09 R)
• M22: 38,481,210 km (0.087 R)
• M23: 39,190,154 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.6

Radius: 3.6

Gravity: 41.87 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.36 AU - 7.94 AU

Year: 13662 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,208,405 km

• M1: 151,393 km (0.112 R)
• M2: 449,392 km (0.104 R)
• M3: 617,839 km (0.098 R)
• M4: 907,610 km (0.065 R)
• M5: 1,375,403 km (0.115 R)
• M6: 1,592,769 km (0.054 R)
• M7: 2,676,156 km (0.118 R)
• M8: 3,207,079 km (0.096 R)
• M9: 4,029,568 km (0.112 R)
• M10: 4,292,561 km (0.117 R)
• M11: 4,598,040 km (0.083 R)
• M12: 4,950,642 km (0.065 R)
• M13: 5,781,958 km (0.12 R)
• M14: 5,966,262 km (0.107 R)
• M15: 8,121,668 km (0.108 R)
• M16: 8,493,718 km (0.091 R)
• M17: 9,122,329 km (0.092 R)
• M18: 12,489,926 km (0.086 R)
• M19: 12,674,231 km (0.085 R)
• M20: 12,860,181 km (0.092 R)
• M21: 18,440,032 km (0.116 R)
• M22: 20,324,666 km (0.113 R)
• M23: 20,494,310 km (0.083 R)
• M24: 28,084,607 km (0.111 R)
• M25: 34,627,419 km (0.057 R)
• M26: 42,947,305 km (0.099 R)
• M27: 47,865,335 km (0.085 R)
• M28: 51,396,742 km (0.054 R)
• M29: 51,554,119 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.3

Radius: 4.4

Gravity: 34.93 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.23 AU - 11.57 AU

Year: 18608 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,208,405 km

• M1: 54,753 km (0.107 R)
• M2: 313,108 km (0.113 R)
• M3: 573,409 km (0.104 R)
• M4: 898,634 km (0.069 R)
• M5: 1,337,555 km (0.079 R)
• M6: 1,760,468 km (0.075 R)
• M7: 2,624,246 km (0.095 R)
• M8: 3,069,449 km (0.085 R)
• M9: 3,621,316 km (0.05 R)
• M10: 3,769,118 km (0.104 R)
• M11: 4,236,761 km (0.051 R)
• M12: 5,751,440 km (0.115 R)
• M13: 6,370,177 km (0.119 R)
• M14: 8,286,376 km (0.105 R)
• M15: 10,083,495 km (0.103 R)
• M16: 11,103,603 km (0.053 R)
• M17: 12,523,436 km (0.078 R)
• M18: 13,487,594 km (0.115 R)
• M19: 16,112,139 km (0.081 R)
• M20: 22,842,398 km (0.093 R)
• M21: 25,879,384 km (0.115 R)
• M22: 28,471,168 km (0.09 R)
• M23: 29,411,839 km (0.099 R)
• M24: 29,769,827 km (0.092 R)
• M25: 30,494,628 km (0.119 R)
• M26: 31,853,575 km (0.114 R)
• M27: 38,116,789 km (0.119 R)
• M28: 43,126,673 km (0.11 R)
• M29: 44,994,552 km (0.075 R)
• M30: 53,182,492 km (0.096 R)
• M31: 54,786,929 km (0.108 R)
• M32: 55,874,356 km (0.034 R)
• M33: 61,139,303 km (0.117 R)
• M34: 61,722,286 km (0.066 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 14,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit