🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.5 AU - 0.56 AU

Year: 245 Days

Day: 38.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,474,642 km

• M1: 72,256 km (0.036 R)
• M2: 226,940 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521

Radius: 14.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.63 AU - 0.77 AU

Year: 372 Days

Day: 9.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,474,642 km

• M1: 186,549 km (0.058 R)
• M2: 703,260 km (0.102 R)
• M3: 1,485,357 km (0.079 R)
• M4: 2,078,812 km (0.072 R)
• M5: 2,763,222 km (0.099 R)
• M6: 3,549,957 km (0.096 R)
• M7: 4,096,139 km (0.066 R)

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790

Radius: 14.5

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.15 AU - 1.63 AU

Year: 1042 Days

Day: 10.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,474,642 km

• M1: 180,565 km (0.069 R)
• M2: 661,971 km (0.098 R)
• M3: 1,171,501 km (0.074 R)
• M4: 1,746,854 km (0.091 R)
• M5: 2,557,376 km (0.059 R)
• M6: 3,533,053 km (0.086 R)
• M7: 4,422,711 km (0.06 R)
• M8: 5,063,439 km (0.111 R)
• M9: 6,042,856 km (0.111 R)
• M10: 6,717,094 km (0.114 R)
• M11: 7,218,396 km (0.072 R)
• M12: 8,432,084 km (0.109 R)
• M13: 8,903,168 km (0.067 R)
• M14: 9,362,732 km (0.105 R)
• M15: 10,236,234 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 9.7

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.86 AU - 2.3 AU

Year: 1907 Days

Day: 10.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,474,642 km

• M1: 122,521 km (0.06 R)
• M2: 541,843 km (0.098 R)
• M3: 1,048,980 km (0.1 R)
• M4: 1,631,814 km (0.099 R)
• M5: 2,273,738 km (0.119 R)
• M6: 3,060,174 km (0.102 R)
• M7: 3,684,596 km (0.045 R)
• M8: 4,391,595 km (0.065 R)
• M9: 5,998,875 km (0.036 R)
• M10: 6,948,821 km (0.068 R)
• M11: 8,783,190 km (0.045 R)
• M12: 10,769,850 km (0.116 R)
• M13: 11,571,994 km (0.07 R)
• M14: 15,898,963 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.9

Radius: 11.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.44 AU - 3.98 AU

Year: 4544 Days

Day: 13.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,474,642 km

• M1: 140,472 km (0.091 R)
• M2: 493,523 km (0.097 R)
• M3: 872,904 km (0.115 R)
• M4: 1,579,604 km (0.1 R)
• M5: 1,951,205 km (0.095 R)
• M6: 2,555,431 km (0.098 R)
• M7: 4,781,746 km (0.039 R)
• M8: 8,622,522 km (0.108 R)
• M9: 11,112,130 km (0.097 R)
• M10: 12,023,480 km (0.115 R)
• M11: 13,994,731 km (0.114 R)
• M12: 14,626,034 km (0.105 R)
• M13: 15,441,642 km (0.043 R)
• M14: 17,104,273 km (0.092 R)
• M15: 20,179,855 km (0.077 R)
• M16: 22,234,732 km (0.112 R)
• M17: 23,312,883 km (0.097 R)
• M18: 26,756,626 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.1

Radius: 12.3

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.74 AU - 3.74 AU

Year: 4599 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,474,642 km

• M1: 248,183 km (0.043 R)
• M2: 718,519 km (0.06 R)
• M3: 1,159,982 km (0.11 R)
• M4: 1,706,912 km (0.076 R)
• M5: 2,480,931 km (0.077 R)
• M6: 3,882,962 km (0.097 R)
• M7: 4,408,200 km (0.086 R)
• M8: 6,472,053 km (0.088 R)
• M9: 7,151,676 km (0.12 R)
• M10: 8,075,891 km (0.109 R)
• M11: 10,356,661 km (0.075 R)
• M12: 11,039,425 km (0.049 R)
• M13: 13,502,554 km (0.095 R)
• M14: 14,464,768 km (0.104 R)
• M15: 17,070,613 km (0.034 R)
• M16: 17,514,769 km (0.1 R)
• M17: 19,913,721 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.9

Radius: 5.4

Gravity: 32.95 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.46 AU - 7.64 AU

Year: 11902 Days

Day: 22.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,474,642 km

• M1: 243,246 km (0.093 R)
• M2: 780,602 km (0.117 R)
• M3: 1,930,710 km (0.094 R)
• M4: 2,171,862 km (0.12 R)
• M5: 2,670,172 km (0.091 R)
• M6: 5,371,611 km (0.105 R)
• M7: 5,812,326 km (0.036 R)
• M8: 6,041,660 km (0.119 R)
• M9: 6,849,787 km (0.079 R)
• M10: 7,727,777 km (0.09 R)
• M11: 12,304,574 km (0.051 R)
• M12: 18,662,185 km (0.107 R)
• M13: 18,994,142 km (0.08 R)
• M14: 21,429,895 km (0.098 R)
• M15: 33,377,978 km (0.105 R)
• M16: 35,744,616 km (0.054 R)
• M17: 36,256,690 km (0.059 R)
• M18: 39,705,369 km (0.053 R)
• M19: 42,216,968 km (0.089 R)
• M20: 43,656,997 km (0.043 R)
• M21: 47,862,941 km (0.087 R)
• M22: 59,542,197 km (0.106 R)
• M23: 59,901,082 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.9

Radius: 7.6

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.69 AU - 11.97 AU

Year: 22661 Days

Day: 24.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,474,642 km

• M1: 211,831 km (0.047 R)
• M2: 867,967 km (0.093 R)
• M3: 6,642,145 km (0.042 R)
• M4: 7,654,025 km (0.051 R)
• M5: 8,876,240 km (0.032 R)
• M6: 9,215,378 km (0.044 R)
• M7: 9,919,685 km (0.039 R)
• M8: 12,248,326 km (0.036 R)
• M9: 12,811,262 km (0.034 R)
• M10: 15,398,258 km (0.04 R)
• M11: 17,333,606 km (0.075 R)
• M12: 22,192,844 km (0.051 R)
• M13: 24,213,463 km (0.095 R)
• M14: 25,551,017 km (0.114 R)
• M15: 26,937,191 km (0.093 R)
• M16: 31,525,956 km (0.092 R)
• M17: 34,349,167 km (0.09 R)
• M18: 46,140,770 km (0.084 R)
• M19: 46,648,057 km (0.108 R)
• M20: 47,673,700 km (0.115 R)
• M21: 55,658,785 km (0.109 R)
• M22: 72,149,557 km (0.116 R)
• M23: 78,215,900 km (0.094 R)
• M24: 78,455,706 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.8

Radius: 4.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 9.88 AU - 13.04 AU

Year: 24667 Days

Day: 24 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,474,642 km

• M1: 61,784 km (0.095 R)
• M2: 317,596 km (0.075 R)
• M3: 1,002,007 km (0.051 R)
• M4: 1,597,256 km (0.111 R)
• M5: 1,895,255 km (0.066 R)
• M6: 2,162,886 km (0.068 R)
• M7: 8,763,742 km (0.04 R)
• M8: 11,981,443 km (0.078 R)
• M9: 16,162,704 km (0.089 R)
• M10: 19,002,071 km (0.114 R)
• M11: 19,651,027 km (0.111 R)
• M12: 25,297,449 km (0.11 R)
• M13: 26,082,389 km (0.059 R)
• M14: 28,534,597 km (0.112 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: 301 - 18,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit