🌌 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: 364.4

Radius: 13.2

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.66 AU - 0.74 AU

Year: 384 Days

Day: 5.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,081,138 km

• M1: 164,109 km (0.109 R)
• M2: 586,723 km (0.103 R)
• M3: 1,393,953 km (0.12 R)
• M4: 1,910,664 km (0.117 R)
• M5: 2,581,311 km (0.104 R)
• M6: 3,115,675 km (0.098 R)
• M7: 3,644,653 km (0.117 R)
• M8: 4,258,303 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.4

Radius: 10.7

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.11 AU - 1.51 AU

Year: 984 Days

Day: 9.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,081,138 km

• M1: 136,583 km (0.089 R)
• M2: 507,586 km (0.068 R)
• M3: 920,775 km (0.115 R)
• M4: 2,190,262 km (0.118 R)
• M5: 2,798,079 km (0.063 R)
• M6: 3,605,458 km (0.113 R)
• M7: 4,687,200 km (0.113 R)
• M8: 5,657,343 km (0.098 R)
• M9: 6,571,386 km (0.059 R)
• M10: 8,999,509 km (0.062 R)
• M11: 9,637,394 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.4

Radius: 10.1

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.89 AU - 2.53 AU

Year: 2155 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,081,138 km

• M1: 126,410 km (0.099 R)
• M2: 445,502 km (0.095 R)
• M3: 1,386,473 km (0.112 R)
• M4: 1,818,213 km (0.049 R)
• M5: 2,500,678 km (0.09 R)
• M6: 2,971,612 km (0.083 R)
• M7: 3,448,680 km (0.114 R)
• M8: 4,683,909 km (0.053 R)
• M9: 5,102,035 km (0.113 R)
• M10: 5,962,971 km (0.047 R)
• M11: 8,033,256 km (0.086 R)
• M12: 8,537,102 km (0.062 R)
• M13: 11,458,000 km (0.079 R)
• M14: 11,854,734 km (0.077 R)
• M15: 12,219,603 km (0.068 R)
• M16: 12,550,065 km (0.105 R)
• M17: 13,014,416 km (0.111 R)
• M18: 15,558,179 km (0.106 R)
• M19: 17,048,921 km (0.079 R)
• M20: 17,410,200 km (0.03 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.7

Radius: 4

Gravity: 34.98 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.73 AU - 8.15 AU

Year: 14677 Days

Day: 23.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,081,138 km

• M1: 49,816 km (0.107 R)
• M2: 1,008,589 km (0.101 R)
• M3: 1,822,850 km (0.115 R)
• M4: 1,962,275 km (0.072 R)
• M5: 2,383,094 km (0.095 R)
• M6: 2,884,696 km (0.086 R)
• M7: 4,242,596 km (0.109 R)
• M8: 5,826,239 km (0.119 R)
• M9: 6,286,103 km (0.091 R)
• M10: 7,321,170 km (0.09 R)
• M11: 8,040,287 km (0.096 R)
• M12: 11,157,757 km (0.062 R)
• M13: 13,565,834 km (0.06 R)
• M14: 15,207,970 km (0.048 R)
• M15: 17,131,499 km (0.057 R)
• M16: 17,991,837 km (0.082 R)
• M17: 22,176,538 km (0.104 R)
• M18: 22,636,851 km (0.064 R)
• M19: 24,056,086 km (0.083 R)
• M20: 26,039,005 km (0.066 R)
• M21: 26,448,305 km (0.05 R)
• M22: 30,101,934 km (0.054 R)
• M23: 41,504,732 km (0.064 R)
• M24: 45,963,347 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.3

Radius: 6.2

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.49 AU - 10.67 AU

Year: 20994 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,081,138 km

• M1: 77,940 km (0.078 R)
• M2: 410,646 km (0.112 R)
• M3: 613,650 km (0.099 R)
• M4: 1,526,347 km (0.052 R)
• M5: 4,895,291 km (0.111 R)
• M6: 5,154,694 km (0.063 R)
• M7: 6,415,505 km (0.088 R)
• M8: 6,636,610 km (0.05 R)
• M9: 8,174,327 km (0.105 R)
• M10: 9,136,540 km (0.092 R)
• M11: 10,053,276 km (0.087 R)
• M12: 10,473,048 km (0.118 R)
• M13: 11,156,261 km (0.085 R)
• M14: 14,188,161 km (0.087 R)
• M15: 14,946,622 km (0.092 R)
• M16: 17,129,255 km (0.111 R)
• M17: 18,607,432 km (0.102 R)
• M18: 21,914,891 km (0.109 R)
• M19: 24,611,542 km (0.114 R)
• M20: 28,342,364 km (0.092 R)
• M21: 31,154,654 km (0.05 R)
• M22: 35,506,606 km (0.118 R)
• M23: 36,901,307 km (0.109 R)
• M24: 38,477,320 km (0.045 R)
• M25: 39,948,316 km (0.08 R)
• M26: 41,916,426 km (0.082 R)
• M27: 42,690,146 km (0.084 R)
• M28: 51,840,898 km (0.087 R)
• M29: 54,729,334 km (0.111 R)
• M30: 56,400,342 km (0.028 R)
• M31: 56,964,924 km (0.084 R)
• M32: 65,268,055 km (0.107 R)
• M33: 66,098,473 km (0.093 R)
• M34: 70,139,410 km (0.098 R)
• M35: 75,475,417 km (0.102 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 18,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit