🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 8.2

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.82 AU - 1.16 AU

Year: 668 Days

Day: 15 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,979,459 km

• M1: 102,026 km (0.07 R)
• M2: 484,548 km (0.065 R)
• M3: 750,233 km (0.115 R)
• M4: 1,193,043 km (0.119 R)
• M5: 2,284,808 km (0.087 R)
• M6: 2,593,429 km (0.109 R)
• M7: 3,282,925 km (0.087 R)
• M8: 3,546,816 km (0.115 R)
• M9: 3,962,399 km (0.109 R)
• M10: 4,531,170 km (0.08 R)
• M11: 5,253,728 km (0.063 R)
• M12: 5,704,915 km (0.081 R)
• M13: 5,976,884 km (0.098 R)
• M14: 6,352,973 km (0.08 R)
• M15: 6,704,827 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.8

Radius: 8.5

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.3 AU - 1.46 AU

Year: 1100 Days

Day: 14.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,979,459 km

• M1: 105,766 km (0.092 R)
• M2: 483,201 km (0.05 R)
• M3: 1,259,165 km (0.12 R)
• M4: 1,764,806 km (0.049 R)
• M5: 2,236,339 km (0.116 R)
• M6: 2,789,701 km (0.106 R)
• M7: 3,072,441 km (0.119 R)
• M8: 3,474,560 km (0.096 R)
• M9: 4,038,245 km (0.088 R)
• M10: 4,521,745 km (0.071 R)
• M11: 5,156,040 km (0.082 R)
• M12: 7,059,374 km (0.111 R)
• M13: 9,734,782 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 11.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.74 AU - 1.82 AU

Year: 1611 Days

Day: 5.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,979,459 km

• M1: 148,102 km (0.094 R)
• M2: 703,708 km (0.082 R)
• M3: 1,080,695 km (0.06 R)
• M4: 2,301,264 km (0.042 R)
• M5: 3,215,606 km (0.072 R)
• M6: 5,519,862 km (0.119 R)
• M7: 5,905,974 km (0.108 R)
• M8: 7,661,356 km (0.098 R)
• M9: 8,932,638 km (0.119 R)
• M10: 11,854,434 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.1

Radius: 13.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.15 AU - 2.31 AU

Year: 2259 Days

Day: 13.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,979,459 km

• M1: 169,046 km (0.108 R)
• M2: 654,191 km (0.059 R)
• M3: 2,275,832 km (0.055 R)
• M4: 4,022,537 km (0.03 R)
• M5: 5,016,166 km (0.083 R)
• M6: 6,313,479 km (0.081 R)
• M7: 6,896,462 km (0.108 R)
• M8: 7,350,192 km (0.108 R)
• M9: 9,369,165 km (0.104 R)
• M10: 10,506,857 km (0.041 R)
• M11: 13,463,210 km (0.096 R)
• M12: 14,132,062 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.3

Radius: 8.6

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.64 AU - 2.7 AU

Year: 2959 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,979,459 km

• M1: 108,159 km (0.095 R)
• M2: 587,620 km (0.086 R)
• M3: 927,058 km (0.1 R)
• M4: 1,271,133 km (0.116 R)
• M5: 1,543,401 km (0.043 R)
• M6: 1,904,979 km (0.034 R)
• M7: 2,265,361 km (0.081 R)
• M8: 2,561,415 km (0.094 R)
• M9: 2,833,234 km (0.073 R)
• M10: 3,454,813 km (0.096 R)
• M11: 4,273,114 km (0.058 R)
• M12: 4,991,782 km (0.078 R)
• M13: 5,367,422 km (0.066 R)
• M14: 5,708,056 km (0.114 R)
• M15: 7,249,214 km (0.086 R)
• M16: 7,997,502 km (0.029 R)
• M17: 8,407,999 km (0.112 R)
• M18: 9,956,187 km (0.055 R)
• M19: 12,036,645 km (0.031 R)
• M20: 12,394,483 km (0.062 R)
• M21: 15,942,495 km (0.09 R)
• M22: 17,092,754 km (0.089 R)
• M23: 17,602,284 km (0.057 R)
• M24: 19,865,999 km (0.045 R)
• M25: 21,196,971 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.9

Radius: 3.8

Gravity: 42.38 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.59 AU - 8.95 AU

Year: 13295 Days

Day: 21.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,979,459 km

• M1: 53,406 km (0.117 R)
• M2: 206,894 km (0.107 R)
• M3: 335,997 km (0.087 R)
• M4: 473,627 km (0.116 R)
• M5: 717,023 km (0.116 R)
• M6: 1,219,821 km (0.099 R)
• M7: 2,918,206 km (0.066 R)
• M8: 3,180,451 km (0.11 R)
• M9: 4,862,978 km (0.063 R)
• M10: 5,405,121 km (0.094 R)
• M11: 5,727,205 km (0.067 R)
• M12: 6,292,236 km (0.108 R)
• M13: 9,581,145 km (0.107 R)
• M14: 15,790,803 km (0.064 R)
• M15: 18,931,012 km (0.103 R)
• M16: 20,603,666 km (0.094 R)
• M17: 21,564,383 km (0.12 R)
• M18: 25,606,817 km (0.099 R)
• M19: 26,410,756 km (0.088 R)
• M20: 27,231,300 km (0.105 R)
• M21: 29,575,349 km (0.101 R)
• M22: 31,021,961 km (0.06 R)
• M23: 33,101,670 km (0.113 R)
• M24: 39,495,184 km (0.044 R)
• M25: 40,838,274 km (0.098 R)
• M26: 41,796,448 km (0.072 R)
• M27: 47,560,604 km (0.074 R)
• M28: 51,896,249 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.9

Radius: 6.1

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.74 AU - 9.1 AU

Year: 13709 Days

Day: 24.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,979,459 km

• M1: 90,507 km (0.053 R)
• M2: 347,067 km (0.075 R)
• M3: 603,777 km (0.109 R)
• M4: 1,678,339 km (0.082 R)
• M5: 2,634,119 km (0.079 R)
• M6: 3,571,200 km (0.091 R)
• M7: 4,621,976 km (0.115 R)
• M8: 5,024,693 km (0.093 R)
• M9: 5,724,363 km (0.095 R)
• M10: 7,733,761 km (0.104 R)
• M11: 9,519,212 km (0.076 R)
• M12: 13,881,336 km (0.07 R)
• M13: 16,563,925 km (0.045 R)
• M14: 24,187,283 km (0.043 R)
• M15: 26,065,185 km (0.1 R)
• M16: 27,039,666 km (0.075 R)
• M17: 33,175,572 km (0.077 R)
• M18: 39,411,858 km (0.091 R)
• M19: 40,178,099 km (0.081 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 16,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit