🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.5

Radius: 14.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.55 AU - 0.67 AU

Year: 323 Days

Day: 5.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,633,854 km

• M1: 183,108 km (0.034 R)
• M2: 752,627 km (0.108 R)
• M3: 1,398,142 km (0.111 R)
• M4: 2,362,599 km (0.071 R)
• M5: 2,932,118 km (0.114 R)
• M6: 3,628,496 km (0.111 R)
• M7: 4,152,538 km (0.087 R)
• M8: 4,813,611 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.2

Radius: 13.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.72 AU - 1.16 AU

Year: 618 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,633,854 km

• M1: 165,306 km (0.098 R)
• M2: 663,018 km (0.096 R)
• M3: 1,329,476 km (0.036 R)
• M4: 2,002,667 km (0.108 R)
• M5: 2,629,183 km (0.056 R)
• M6: 3,051,946 km (0.115 R)
• M7: 3,661,408 km (0.064 R)
• M8: 4,307,222 km (0.102 R)
• M9: 5,011,977 km (0.092 R)
• M10: 5,426,364 km (0.068 R)
• M11: 5,845,836 km (0.116 R)
• M12: 6,593,526 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.1

Radius: 12.3

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.7 AU - 1.98 AU

Year: 1693 Days

Day: 7 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,633,854 km

• M1: 153,039 km (0.059 R)
• M2: 561,142 km (0.115 R)
• M3: 1,005,148 km (0.076 R)
• M4: 1,609,374 km (0.106 R)
• M5: 2,017,926 km (0.11 R)
• M6: 3,164,893 km (0.088 R)
• M7: 3,849,153 km (0.07 R)
• M8: 5,179,976 km (0.085 R)
• M9: 6,247,656 km (0.116 R)
• M10: 7,249,363 km (0.086 R)
• M11: 8,270,668 km (0.096 R)
• M12: 8,670,393 km (0.053 R)
• M13: 9,883,931 km (0.076 R)
• M14: 10,301,908 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.6

Radius: 9

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.62 AU - 2.12 AU

Year: 1734 Days

Day: 8.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,633,854 km

• M1: 112,049 km (0.109 R)
• M2: 457,021 km (0.069 R)
• M3: 765,492 km (0.115 R)
• M4: 1,471,893 km (0.1 R)
• M5: 1,969,157 km (0.054 R)
• M6: 2,886,192 km (0.067 R)
• M7: 3,253,454 km (0.107 R)
• M8: 4,136,082 km (0.11 R)
• M9: 4,604,323 km (0.089 R)
• M10: 5,536,019 km (0.119 R)
• M11: 6,916,059 km (0.083 R)
• M12: 8,020,989 km (0.091 R)
• M13: 8,630,600 km (0.094 R)
• M14: 10,645,833 km (0.097 R)
• M15: 11,310,497 km (0.116 R)
• M16: 12,077,036 km (0.111 R)
• M17: 12,416,025 km (0.029 R)
• M18: 12,800,192 km (0.099 R)
• M19: 13,351,161 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 12.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.74 AU - 4.26 AU

Year: 5426 Days

Day: 13.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,633,854 km

• M1: 157,975 km (0.084 R)
• M2: 721,810 km (0.109 R)
• M3: 1,231,041 km (0.111 R)
• M4: 1,853,368 km (0.063 R)
• M5: 2,782,820 km (0.098 R)
• M6: 5,946,515 km (0.108 R)
• M7: 6,444,078 km (0.073 R)
• M8: 8,296,249 km (0.112 R)
• M9: 12,134,482 km (0.113 R)
• M10: 13,110,907 km (0.108 R)
• M11: 15,462,286 km (0.081 R)
• M12: 17,759,661 km (0.085 R)
• M13: 18,299,709 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.3

Radius: 8.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.94 AU - 4.32 AU

Year: 5693 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,633,854 km

• M1: 109,954 km (0.111 R)
• M2: 652,097 km (0.111 R)
• M3: 1,197,232 km (0.044 R)
• M4: 1,536,969 km (0.027 R)
• M5: 2,147,328 km (0.055 R)
• M6: 2,621,852 km (0.041 R)
• M7: 3,297,436 km (0.103 R)
• M8: 3,697,162 km (0.076 R)
• M9: 3,995,909 km (0.091 R)
• M10: 4,287,924 km (0.102 R)
• M11: 6,471,903 km (0.057 R)
• M12: 7,700,251 km (0.098 R)
• M13: 10,275,130 km (0.095 R)
• M14: 14,445,769 km (0.114 R)
• M15: 15,082,906 km (0.074 R)
• M16: 15,517,937 km (0.074 R)
• M17: 16,757,505 km (0.107 R)
• M18: 17,520,304 km (0.115 R)
• M19: 18,738,928 km (0.061 R)
• M20: 20,406,197 km (0.05 R)
• M21: 24,181,149 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.1

Radius: 6.2

Gravity: 22.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.75 AU - 6.49 AU

Year: 10269 Days

Day: 15.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,633,854 km

• M1: 77,193 km (0.11 R)
• M2: 317,447 km (0.068 R)
• M3: 550,071 km (0.097 R)
• M4: 750,533 km (0.114 R)
• M5: 1,218,475 km (0.11 R)
• M6: 1,426,416 km (0.062 R)
• M7: 1,673,252 km (0.108 R)
• M8: 2,717,745 km (0.04 R)
• M9: 3,029,806 km (0.09 R)
• M10: 3,542,627 km (0.094 R)
• M11: 4,284,932 km (0.101 R)
• M12: 5,159,481 km (0.074 R)
• M13: 5,638,793 km (0.112 R)
• M14: 6,035,975 km (0.096 R)
• M15: 6,412,962 km (0.104 R)
• M16: 6,607,289 km (0.116 R)
• M17: 7,339,870 km (0.114 R)
• M18: 7,595,682 km (0.094 R)
• M19: 9,406,116 km (0.074 R)
• M20: 10,761,772 km (0.085 R)
• M21: 11,259,933 km (0.079 R)
• M22: 11,543,271 km (0.057 R)
• M23: 12,724,496 km (0.105 R)
• M24: 12,969,986 km (0.067 R)
• M25: 13,281,449 km (0.118 R)
• M26: 15,602,759 km (0.084 R)
• M27: 16,097,479 km (0.04 R)
• M28: 17,043,985 km (0.09 R)
• M29: 19,857,771 km (0.078 R)
• M30: 20,945,497 km (0.113 R)
• M31: 22,160,980 km (0.082 R)
• M32: 23,606,544 km (0.119 R)
• M33: 30,455,434 km (0.034 R)
• M34: 34,210,639 km (0.069 R)
• M35: 37,629,848 km (0.111 R)
• M36: 38,009,079 km (0.102 R)
• M37: 40,869,091 km (0.084 R)
• M38: 42,624,772 km (0.098 R)
• M39: 45,709,480 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 17,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit