🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.5

Radius: 13.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.74 AU - 0.88 AU

Year: 478 Days

Day: 13.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,005,551 km

• M1: 168,298 km (0.062 R)
• M2: 597,793 km (0.056 R)
• M3: 1,580,651 km (0.047 R)
• M4: 2,061,907 km (0.117 R)
• M5: 2,534,637 km (0.069 R)
• M6: 3,482,339 km (0.106 R)
• M7: 3,907,347 km (0.114 R)
• M8: 4,381,123 km (0.12 R)
• M9: 4,878,237 km (0.092 R)
• M10: 5,315,661 km (0.097 R)
• M11: 5,969,105 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976

Radius: 13.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.76 AU - 0.98 AU

Year: 532 Days

Day: 9.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,005,551 km

• M1: 169,195 km (0.105 R)
• M2: 706,401 km (0.116 R)
• M3: 1,182,721 km (0.09 R)
• M4: 1,725,462 km (0.041 R)
• M5: 2,228,260 km (0.074 R)
• M6: 2,954,857 km (0.115 R)
• M7: 3,484,434 km (0.059 R)
• M8: 4,004,885 km (0.045 R)
• M9: 4,545,531 km (0.073 R)
• M10: 5,307,583 km (0.086 R)
• M11: 5,812,027 km (0.115 R)
• M12: 6,980,985 km (0.118 R)
• M13: 7,455,060 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.5

Radius: 9.3

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.45 AU - 2.29 AU

Year: 1678 Days

Day: 6.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,005,551 km

• M1: 116,088 km (0.057 R)
• M2: 440,416 km (0.078 R)
• M3: 793,168 km (0.112 R)
• M4: 1,108,520 km (0.071 R)
• M5: 1,647,372 km (0.094 R)
• M6: 1,950,906 km (0.064 R)
• M7: 2,439,492 km (0.045 R)
• M8: 3,081,417 km (0.075 R)
• M9: 3,514,652 km (0.037 R)
• M10: 3,814,447 km (0.114 R)
• M11: 4,222,400 km (0.05 R)
• M12: 5,105,327 km (0.12 R)
• M13: 7,721,045 km (0.046 R)
• M14: 9,506,197 km (0.08 R)
• M15: 10,597,663 km (0.086 R)
• M16: 12,293,355 km (0.077 R)
• M17: 13,067,224 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.8

Radius: 14.4

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.76 AU - 2.98 AU

Year: 3190 Days

Day: 5.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,005,551 km

• M1: 179,069 km (0.114 R)
• M2: 774,618 km (0.106 R)
• M3: 1,238,820 km (0.077 R)
• M4: 1,884,634 km (0.085 R)
• M5: 2,653,417 km (0.058 R)
• M6: 3,684,296 km (0.118 R)
• M7: 4,627,810 km (0.038 R)
• M8: 5,617,849 km (0.096 R)
• M9: 6,412,662 km (0.119 R)
• M10: 8,121,818 km (0.037 R)
• M11: 9,837,257 km (0.083 R)
• M12: 10,822,808 km (0.104 R)
• M13: 11,783,375 km (0.066 R)
• M14: 12,990,780 km (0.063 R)
• M15: 13,525,891 km (0.075 R)
• M16: 17,167,702 km (0.118 R)
• M17: 21,217,167 km (0.11 R)
• M18: 21,756,018 km (0.12 R)
• M19: 23,642,447 km (0.062 R)
• M20: 24,884,708 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.1

Radius: 11.3

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.86 AU - 5.14 AU

Year: 6262 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,005,551 km

• M1: 142,417 km (0.109 R)
• M2: 615,745 km (0.118 R)
• M3: 982,858 km (0.096 R)
• M4: 1,937,292 km (0.117 R)
• M5: 2,437,996 km (0.051 R)
• M6: 4,040,339 km (0.12 R)
• M7: 6,424,181 km (0.097 R)
• M8: 8,458,563 km (0.039 R)
• M9: 14,277,920 km (0.107 R)
• M10: 15,735,153 km (0.08 R)
• M11: 16,499,897 km (0.114 R)
• M12: 20,325,563 km (0.044 R)
• M13: 21,930,449 km (0.052 R)
• M14: 24,199,550 km (0.045 R)
• M15: 25,046,723 km (0.053 R)
• M16: 28,260,534 km (0.116 R)
• M17: 33,686,149 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.3

Radius: 3.3

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.77 AU - 12.39 AU

Year: 20994 Days

Day: 20.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,005,551 km

• M1: 82,129 km (0.107 R)
• M2: 216,767 km (0.069 R)
• M3: 396,135 km (0.066 R)
• M4: 766,091 km (0.051 R)
• M5: 1,221,616 km (0.067 R)
• M6: 1,655,600 km (0.074 R)
• M7: 1,964,370 km (0.106 R)
• M8: 4,186,945 km (0.074 R)
• M9: 6,849,787 km (0.068 R)
• M10: 9,297,956 km (0.08 R)
• M11: 9,675,691 km (0.085 R)
• M12: 10,311,332 km (0.087 R)
• M13: 14,280,314 km (0.058 R)
• M14: 14,656,103 km (0.105 R)
• M15: 17,120,579 km (0.087 R)
• M16: 17,903,275 km (0.107 R)
• M17: 20,315,391 km (0.081 R)
• M18: 24,061,172 km (0.049 R)
• M19: 29,534,360 km (0.03 R)
• M20: 32,235,948 km (0.097 R)
• M21: 32,882,061 km (0.065 R)
• M22: 33,536,551 km (0.109 R)
• M23: 34,759,215 km (0.094 R)
• M24: 35,211,150 km (0.111 R)
• M25: 36,473,906 km (0.059 R)
• M26: 37,529,319 km (0.111 R)
• M27: 39,947,119 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.6

Radius: 6.8

Gravity: 15.32 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.05 AU - 11.75 AU

Year: 22002 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,005,551 km

• M1: 131,347 km (0.093 R)
• M2: 466,147 km (0.066 R)
• M3: 1,055,563 km (0.106 R)
• M4: 1,364,632 km (0.081 R)
• M5: 1,751,342 km (0.104 R)
• M6: 3,082,464 km (0.094 R)
• M7: 3,304,318 km (0.107 R)
• M8: 4,404,610 km (0.111 R)
• M9: 7,206,578 km (0.083 R)
• M10: 8,374,489 km (0.056 R)
• M11: 9,144,319 km (0.089 R)
• M12: 10,697,744 km (0.071 R)
• M13: 13,788,585 km (0.101 R)
• M14: 15,496,544 km (0.085 R)
• M15: 19,047,250 km (0.084 R)
• M16: 28,304,067 km (0.071 R)
• M17: 30,534,122 km (0.06 R)
• M18: 43,782,210 km (0.089 R)
• M19: 45,584,416 km (0.105 R)
• M20: 64,083,689 km (0.04 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 18,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit