🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.4

Radius: 13.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.41 AU - 0.65 AU

Year: 271 Days

Day: 13.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,670,573 km

• M1: 173,085 km (0.093 R)
• M2: 656,286 km (0.108 R)
• M3: 1,171,651 km (0.103 R)
• M4: 1,700,030 km (0.1 R)
• M5: 2,321,460 km (0.103 R)
• M6: 3,163,397 km (0.101 R)
• M7: 3,847,657 km (0.12 R)
• M8: 4,391,894 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.9

Radius: 10.3

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.51 AU - 0.59 AU

Year: 287 Days

Day: 9.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,670,573 km

• M1: 128,654 km (0.088 R)
• M2: 457,321 km (0.097 R)
• M3: 827,725 km (0.102 R)
• M4: 1,445,415 km (0.06 R)
• M5: 2,128,778 km (0.12 R)
• M6: 2,627,687 km (0.081 R)
• M7: 3,143,051 km (0.097 R)
• M8: 3,570,153 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.7

Radius: 13

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.68 AU - 1.84 AU

Year: 1641 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,670,573 km

• M1: 162,164 km (0.063 R)
• M2: 664,364 km (0.089 R)
• M3: 1,079,498 km (0.084 R)
• M4: 1,719,777 km (0.066 R)
• M5: 2,534,786 km (0.103 R)
• M6: 3,911,835 km (0.074 R)
• M7: 4,416,728 km (0.109 R)
• M8: 5,265,396 km (0.052 R)
• M9: 6,841,859 km (0.057 R)
• M10: 7,701,747 km (0.107 R)
• M11: 8,288,021 km (0.098 R)
• M12: 8,740,405 km (0.085 R)
• M13: 9,753,033 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.6

Radius: 10.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.95 AU - 3.97 AU

Year: 5539 Days

Day: 5.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,670,573 km

• M1: 129,552 km (0.066 R)
• M2: 596,596 km (0.114 R)
• M3: 1,023,848 km (0.103 R)
• M4: 1,700,329 km (0.096 R)
• M5: 2,423,186 km (0.076 R)
• M6: 3,086,653 km (0.113 R)
• M7: 3,645,551 km (0.105 R)
• M8: 4,161,813 km (0.071 R)
• M9: 5,341,242 km (0.114 R)
• M10: 7,222,735 km (0.107 R)
• M11: 8,807,425 km (0.071 R)
• M12: 9,209,694 km (0.082 R)
• M13: 11,067,998 km (0.057 R)
• M14: 12,107,853 km (0.094 R)
• M15: 13,545,638 km (0.107 R)
• M16: 14,836,668 km (0.104 R)
• M17: 15,991,713 km (0.088 R)
• M18: 18,658,744 km (0.098 R)
• M19: 19,140,599 km (0.101 R)
• M20: 21,086,269 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.5

Radius: 13.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.66 AU - 6.06 AU

Year: 7531 Days

Day: 7.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,670,573 km

• M1: 166,652 km (0.081 R)
• M2: 772,075 km (0.072 R)
• M3: 1,708,856 km (0.049 R)
• M4: 2,381,449 km (0.072 R)
• M5: 3,163,546 km (0.117 R)
• M6: 4,135,633 km (0.046 R)
• M7: 4,705,451 km (0.096 R)
• M8: 6,633,469 km (0.113 R)
• M9: 7,089,293 km (0.033 R)
• M10: 7,679,307 km (0.098 R)
• M11: 9,603,884 km (0.107 R)
• M12: 10,607,686 km (0.092 R)
• M13: 11,184,086 km (0.078 R)
• M14: 14,677,645 km (0.108 R)
• M15: 15,515,693 km (0.085 R)
• M16: 16,008,767 km (0.096 R)
• M17: 16,703,949 km (0.111 R)
• M18: 18,019,213 km (0.113 R)
• M19: 18,633,312 km (0.118 R)
• M20: 19,759,336 km (0.12 R)
• M21: 20,707,188 km (0.087 R)
• M22: 22,772,536 km (0.111 R)
• M23: 24,804,225 km (0.073 R)
• M24: 25,394,089 km (0.116 R)
• M25: 28,302,272 km (0.061 R)
• M26: 30,360,140 km (0.116 R)
• M27: 32,116,718 km (0.049 R)
• M28: 33,631,546 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.1

Radius: 6.9

Gravity: 20.73 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.71 AU - 8.75 AU

Year: 13665 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,670,573 km

• M1: 91,554 km (0.102 R)
• M2: 328,966 km (0.048 R)
• M3: 906,563 km (0.082 R)
• M4: 1,164,171 km (0.116 R)
• M5: 1,470,547 km (0.086 R)
• M6: 1,743,563 km (0.108 R)
• M7: 2,166,925 km (0.08 R)
• M8: 2,611,530 km (0.118 R)
• M9: 3,377,172 km (0.074 R)
• M10: 3,856,035 km (0.092 R)
• M11: 4,411,492 km (0.072 R)
• M12: 5,757,723 km (0.08 R)
• M13: 7,267,016 km (0.1 R)
• M14: 8,459,012 km (0.117 R)
• M15: 9,233,779 km (0.107 R)
• M16: 12,547,073 km (0.095 R)
• M17: 13,622,382 km (0.101 R)
• M18: 14,468,059 km (0.09 R)
• M19: 15,878,168 km (0.103 R)
• M20: 16,108,848 km (0.047 R)
• M21: 18,541,010 km (0.063 R)
• M22: 20,472,917 km (0.055 R)
• M23: 20,746,382 km (0.041 R)
• M24: 21,675,385 km (0.103 R)
• M25: 22,054,765 km (0.116 R)
• M26: 26,632,311 km (0.069 R)
• M27: 29,895,638 km (0.119 R)
• M28: 35,602,947 km (0.062 R)
• M29: 38,989,693 km (0.077 R)
• M30: 41,557,241 km (0.085 R)
• M31: 42,882,230 km (0.086 R)
• M32: 44,692,364 km (0.057 R)
• M33: 47,184,365 km (0.101 R)
• M34: 50,096,886 km (0.05 R)
• M35: 63,525,389 km (0.109 R)
• M36: 65,479,287 km (0.081 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: 308 - 20,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit