🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755

Radius: 14.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.82 AU - 1.08 AU

Year: 589 Days

Day: 5.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,597,373 km

• M1: 182,809 km (0.07 R)
• M2: 724,353 km (0.107 R)
• M3: 1,265,000 km (0.11 R)
• M4: 1,730,548 km (0.05 R)
• M5: 2,190,412 km (0.093 R)
• M6: 2,679,597 km (0.074 R)
• M7: 3,217,850 km (0.115 R)
• M8: 3,869,798 km (0.094 R)
• M9: 4,577,844 km (0.066 R)
• M10: 5,336,306 km (0.117 R)
• M11: 5,912,557 km (0.077 R)
• M12: 7,105,450 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.4

Radius: 13.2

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.38 AU - 1.62 AU

Year: 1168 Days

Day: 7 Hours

Environment

Temp: -173 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,597,373 km

• M1: 164,109 km (0.074 R)
• M2: 607,966 km (0.038 R)
• M3: 1,084,435 km (0.108 R)
• M4: 1,498,671 km (0.053 R)
• M5: 2,310,390 km (0.104 R)
• M6: 2,850,887 km (0.089 R)
• M7: 3,506,574 km (0.072 R)
• M8: 3,981,099 km (0.101 R)
• M9: 4,687,200 km (0.113 R)
• M10: 5,101,138 km (0.109 R)
• M11: 8,068,412 km (0.103 R)
• M12: 8,607,861 km (0.076 R)
• M13: 9,020,602 km (0.118 R)
• M14: 9,539,557 km (0.113 R)
• M15: 10,738,584 km (0.094 R)
• M16: 11,252,303 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.7

Radius: 9.4

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.73 AU - 2.43 AU

Year: 1907 Days

Day: 8.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,597,373 km

• M1: 117,434 km (0.026 R)
• M2: 431,590 km (0.109 R)
• M3: 750,084 km (0.086 R)
• M4: 3,015,743 km (0.085 R)
• M5: 4,495,715 km (0.117 R)
• M6: 4,868,663 km (0.07 R)
• M7: 5,425,616 km (0.094 R)
• M8: 6,432,260 km (0.089 R)
• M9: 6,906,934 km (0.099 R)
• M10: 8,584,524 km (0.096 R)
• M11: 9,669,857 km (0.115 R)
• M12: 10,582,553 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.6

Radius: 10.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.21 AU - 4.61 AU

Year: 4916 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,597,373 km

• M1: 144,811 km (0.119 R)
• M2: 739,612 km (0.061 R)
• M3: 1,282,951 km (0.083 R)
• M4: 1,891,515 km (0.11 R)
• M5: 2,412,565 km (0.047 R)
• M6: 3,131,233 km (0.031 R)
• M7: 4,218,660 km (0.095 R)
• M8: 6,326,943 km (0.119 R)
• M9: 7,498,144 km (0.084 R)
• M10: 9,763,206 km (0.05 R)
• M11: 10,423,830 km (0.093 R)
• M12: 11,072,486 km (0.094 R)
• M13: 12,228,130 km (0.099 R)
• M14: 15,596,924 km (0.063 R)
• M15: 20,904,358 km (0.089 R)
• M16: 21,545,385 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.1

Radius: 10.9

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.77 AU - 4.27 AU

Year: 5125 Days

Day: 12.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,597,373 km

• M1: 139,724 km (0.071 R)
• M2: 532,718 km (0.083 R)
• M3: 1,108,371 km (0.11 R)
• M4: 1,566,439 km (0.091 R)
• M5: 1,969,306 km (0.086 R)
• M6: 2,475,546 km (0.101 R)
• M7: 2,816,180 km (0.103 R)
• M8: 3,291,752 km (0.109 R)
• M9: 4,057,094 km (0.031 R)
• M10: 6,002,764 km (0.071 R)
• M11: 6,932,814 km (0.114 R)
• M12: 7,506,073 km (0.077 R)
• M13: 8,747,137 km (0.103 R)
• M14: 10,347,236 km (0.088 R)
• M15: 12,185,046 km (0.091 R)
• M16: 13,397,985 km (0.115 R)
• M17: 15,157,855 km (0.102 R)
• M18: 16,371,991 km (0.076 R)
• M19: 17,066,873 km (0.106 R)
• M20: 18,380,492 km (0.104 R)
• M21: 23,909,928 km (0.109 R)
• M22: 28,879,420 km (0.064 R)
• M23: 29,245,486 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.8

Radius: 4.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5 AU - 7.48 AU

Year: 9911 Days

Day: 17.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,597,373 km

• M1: 61,634 km (0.096 R)
• M2: 240,254 km (0.072 R)
• M3: 420,071 km (0.064 R)
• M4: 765,941 km (0.098 R)
• M5: 1,092,513 km (0.106 R)
• M6: 1,518,418 km (0.083 R)
• M7: 1,820,307 km (0.088 R)
• M8: 4,323,229 km (0.088 R)
• M9: 4,704,853 km (0.078 R)
• M10: 6,427,772 km (0.07 R)
• M11: 6,797,877 km (0.113 R)
• M12: 7,214,806 km (0.101 R)
• M13: 7,994,061 km (0.115 R)
• M14: 9,285,091 km (0.079 R)
• M15: 12,272,710 km (0.112 R)
• M16: 13,035,809 km (0.1 R)
• M17: 13,830,024 km (0.108 R)
• M18: 14,708,612 km (0.115 R)
• M19: 17,448,497 km (0.032 R)
• M20: 21,514,867 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.9

Radius: 3.3

Gravity: 79.61 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.08 AU - 9.32 AU

Year: 13585 Days

Day: 24.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,597,373 km

• M1: 41,139 km (0.107 R)
• M2: 211,681 km (0.116 R)
• M3: 387,608 km (0.113 R)
• M4: 526,884 km (0.071 R)
• M5: 646,562 km (0.069 R)
• M6: 1,158,037 km (0.115 R)
• M7: 1,421,329 km (0.111 R)
• M8: 1,672,654 km (0.052 R)
• M9: 1,862,045 km (0.056 R)
• M10: 2,628,285 km (0.114 R)
• M11: 2,742,727 km (0.105 R)
• M12: 3,782,283 km (0.088 R)
• M13: 4,294,506 km (0.093 R)
• M14: 6,639,602 km (0.059 R)
• M15: 7,291,849 km (0.084 R)
• M16: 8,177,768 km (0.07 R)
• M17: 9,133,100 km (0.11 R)
• M18: 9,449,649 km (0.106 R)
• M19: 10,965,075 km (0.105 R)
• M20: 11,626,298 km (0.106 R)
• M21: 12,441,606 km (0.113 R)
• M22: 14,325,642 km (0.079 R)
• M23: 14,467,161 km (0.043 R)
• M24: 15,707,178 km (0.084 R)
• M25: 17,016,309 km (0.03 R)
• M26: 23,862,356 km (0.106 R)
• M27: 24,061,022 km (0.108 R)
• M28: 27,393,764 km (0.106 R)
• M29: 29,855,097 km (0.076 R)
• M30: 30,668,162 km (0.12 R)
• M31: 34,955,936 km (0.112 R)
• M32: 36,909,684 km (0.043 R)
• M33: 39,487,256 km (0.053 R)
• M34: 43,205,361 km (0.088 R)
• M35: 53,847,155 km (0.12 R)
• M36: 57,154,764 km (0.097 R)
• M37: 60,226,756 km (0.037 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 11,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit