🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.4

Radius: 10.7

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.65 AU - 0.77 AU

Year: 392 Days

Day: 13.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,178,991 km

• M1: 143,016 km (0.107 R)
• M2: 520,301 km (0.091 R)
• M3: 949,198 km (0.105 R)
• M4: 1,290,581 km (0.113 R)
• M5: 1,629,420 km (0.057 R)
• M6: 2,234,693 km (0.088 R)
• M7: 2,973,407 km (0.094 R)
• M8: 4,026,427 km (0.113 R)
• M9: 4,385,162 km (0.09 R)
• M10: 5,167,410 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.9

Radius: 12.8

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.64 AU - 1.02 AU

Year: 496 Days

Day: 5.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,178,991 km

• M1: 159,172 km (0.104 R)
• M2: 722,259 km (0.047 R)
• M3: 1,343,239 km (0.118 R)
• M4: 1,816,866 km (0.037 R)
• M5: 2,249,653 km (0.102 R)
• M6: 2,872,130 km (0.05 R)
• M7: 3,491,465 km (0.118 R)
• M8: 3,985,138 km (0.081 R)
• M9: 4,885,717 km (0.029 R)
• M10: 5,593,464 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.1

Radius: 11.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.32 AU - 1.36 AU

Year: 1018 Days

Day: 9.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,178,991 km

• M1: 151,543 km (0.079 R)
• M2: 549,024 km (0.113 R)
• M3: 1,079,797 km (0.12 R)
• M4: 1,647,970 km (0.116 R)
• M5: 2,215,395 km (0.03 R)
• M6: 3,118,816 km (0.112 R)
• M7: 3,508,369 km (0.075 R)
• M8: 4,663,265 km (0.074 R)
• M9: 5,786,296 km (0.034 R)
• M10: 7,439,652 km (0.076 R)
• M11: 7,910,735 km (0.094 R)
• M12: 9,134,596 km (0.043 R)
• M13: 9,850,571 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.5

Radius: 8.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.22 AU - 1.56 AU

Year: 1075 Days

Day: 6.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,178,991 km

• M1: 103,223 km (0.103 R)
• M2: 382,821 km (0.118 R)
• M3: 700,567 km (0.066 R)
• M4: 1,998,628 km (0.104 R)
• M5: 2,864,650 km (0.109 R)
• M6: 3,326,009 km (0.066 R)
• M7: 3,781,385 km (0.071 R)
• M8: 4,204,299 km (0.113 R)
• M9: 6,049,588 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.7

Radius: 14

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.07 AU - 4.73 AU

Year: 5052 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,178,991 km

• M1: 174,132 km (0.102 R)
• M2: 1,263,055 km (0.115 R)
• M3: 1,755,082 km (0.046 R)
• M4: 2,281,368 km (0.047 R)
• M5: 3,007,366 km (0.108 R)
• M6: 3,531,108 km (0.088 R)
• M7: 4,211,180 km (0.066 R)
• M8: 4,950,493 km (0.053 R)
• M9: 5,480,817 km (0.073 R)
• M10: 7,661,505 km (0.082 R)
• M11: 8,373,591 km (0.114 R)
• M12: 9,294,217 km (0.066 R)
• M13: 9,843,839 km (0.115 R)
• M14: 11,195,456 km (0.094 R)
• M15: 11,965,137 km (0.113 R)
• M16: 12,413,482 km (0.119 R)
• M17: 14,487,806 km (0.119 R)
• M18: 16,113,336 km (0.107 R)
• M19: 16,846,067 km (0.102 R)
• M20: 18,051,676 km (0.108 R)
• M21: 18,909,171 km (0.027 R)
• M22: 27,803,961 km (0.078 R)
• M23: 28,681,053 km (0.11 R)
• M24: 30,768,243 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 13.9

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.08 AU - 5.3 AU

Year: 7756 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,178,991 km

• M1: 173,982 km (0.118 R)
• M2: 1,790,088 km (0.114 R)
• M3: 2,449,067 km (0.12 R)
• M4: 3,015,893 km (0.119 R)
• M5: 3,859,475 km (0.069 R)
• M6: 4,416,578 km (0.087 R)
• M7: 4,969,492 km (0.051 R)
• M8: 5,950,555 km (0.115 R)
• M9: 6,418,796 km (0.065 R)
• M10: 6,984,126 km (0.035 R)
• M11: 7,776,696 km (0.12 R)
• M12: 9,859,547 km (0.11 R)
• M13: 11,154,765 km (0.095 R)
• M14: 13,676,088 km (0.096 R)
• M15: 16,621,819 km (0.12 R)
• M16: 17,084,226 km (0.077 R)
• M17: 17,623,078 km (0.113 R)
• M18: 18,312,724 km (0.048 R)
• M19: 22,352,764 km (0.071 R)
• M20: 24,241,138 km (0.088 R)
• M21: 25,967,797 km (0.075 R)
• M22: 30,839,601 km (0.112 R)
• M23: 32,762,083 km (0.059 R)
• M24: 33,280,889 km (0.069 R)
• M25: 37,972,876 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.3

Radius: 3.9

Gravity: 63.66 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.4 AU - 7.48 AU

Year: 13313 Days

Day: 21.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,178,991 km

• M1: 48,470 km (0.116 R)
• M2: 201,508 km (0.043 R)
• M3: 1,016,966 km (0.114 R)
• M4: 1,328,878 km (0.101 R)
• M5: 1,491,940 km (0.106 R)
• M6: 2,494,096 km (0.062 R)
• M7: 2,743,027 km (0.078 R)
• M8: 3,185,836 km (0.076 R)
• M9: 3,506,574 km (0.081 R)
• M10: 3,848,256 km (0.055 R)
• M11: 4,306,175 km (0.081 R)
• M12: 4,597,891 km (0.102 R)
• M13: 5,589,874 km (0.07 R)
• M14: 6,505,114 km (0.071 R)
• M15: 12,544,978 km (0.089 R)
• M16: 13,613,705 km (0.096 R)
• M17: 13,820,599 km (0.04 R)
• M18: 14,814,079 km (0.115 R)
• M19: 16,548,068 km (0.081 R)
• M20: 18,835,868 km (0.102 R)
• M21: 20,866,061 km (0.078 R)
• M22: 23,135,161 km (0.116 R)
• M23: 23,627,787 km (0.075 R)
• M24: 25,354,894 km (0.094 R)
• M25: 29,286,626 km (0.082 R)
• M26: 47,156,091 km (0.108 R)
• M27: 52,036,871 km (0.105 R)
• M28: 52,205,169 km (0.112 R)
• M29: 53,222,135 km (0.11 R)
• M30: 57,602,511 km (0.113 R)
• M31: 59,972,440 km (0.081 R)
• M32: 64,517,074 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.9

Radius: 4.3

Gravity: 38.56 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.45 AU - 7.53 AU

Year: 13447 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,178,991 km

• M1: 53,556 km (0.049 R)
• M2: 195,674 km (0.102 R)
• M3: 691,741 km (0.107 R)
• M4: 1,243,308 km (0.07 R)
• M5: 1,407,866 km (0.065 R)
• M6: 1,954,795 km (0.106 R)
• M7: 2,654,165 km (0.059 R)
• M8: 3,560,729 km (0.108 R)
• M9: 4,188,441 km (0.102 R)
• M10: 4,787,281 km (0.112 R)
• M11: 5,846,135 km (0.079 R)
• M12: 6,310,337 km (0.099 R)
• M13: 6,592,329 km (0.077 R)
• M14: 8,367,009 km (0.08 R)
• M15: 9,572,020 km (0.047 R)
• M16: 11,890,488 km (0.094 R)
• M17: 12,320,581 km (0.102 R)
• M18: 12,760,848 km (0.113 R)
• M19: 19,816,482 km (0.117 R)
• M20: 21,304,682 km (0.095 R)
• M21: 22,398,990 km (0.03 R)
• M22: 23,148,924 km (0.044 R)
• M23: 24,798,091 km (0.083 R)
• M24: 26,420,181 km (0.117 R)
• M25: 30,553,420 km (0.117 R)
• M26: 33,616,886 km (0.108 R)
• M27: 38,187,848 km (0.094 R)
• M28: 40,208,616 km (0.116 R)
• M29: 41,875,735 km (0.028 R)
• M30: 44,461,983 km (0.026 R)
• M31: 53,682,598 km (0.106 R)
• M32: 58,472,273 km (0.054 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 17,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit