🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.5

Radius: 10.3

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.62 AU - 0.84 AU

Year: 403 Days

Day: 11.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,487,745 km

• M1: 128,205 km (0.114 R)
• M2: 467,942 km (0.081 R)
• M3: 904,618 km (0.076 R)
• M4: 1,231,639 km (0.055 R)
• M5: 1,556,416 km (0.096 R)
• M6: 1,931,608 km (0.079 R)
• M7: 2,294,682 km (0.108 R)
• M8: 2,663,440 km (0.043 R)
• M9: 3,426,090 km (0.047 R)
• M10: 4,109,154 km (0.101 R)
• M11: 5,221,265 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.6

Radius: 14.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.69 AU - 0.91 AU

Year: 462 Days

Day: 10.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,487,745 km

• M1: 182,809 km (0.088 R)
• M2: 738,714 km (0.107 R)
• M3: 1,330,523 km (0.063 R)
• M4: 1,889,571 km (0.042 R)
• M5: 2,605,546 km (0.078 R)
• M6: 3,099,069 km (0.102 R)
• M7: 3,817,438 km (0.049 R)
• M8: 4,319,639 km (0.115 R)
• M9: 4,865,970 km (0.04 R)
• M10: 5,739,023 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.2

Radius: 13

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.85 AU - 1.39 AU

Year: 765 Days

Day: 7.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,487,745 km

• M1: 161,715 km (0.12 R)
• M2: 708,795 km (0.117 R)
• M3: 1,145,172 km (0.102 R)
• M4: 1,699,881 km (0.101 R)
• M5: 2,499,631 km (0.07 R)
• M6: 3,388,990 km (0.11 R)
• M7: 3,874,286 km (0.025 R)
• M8: 4,333,252 km (0.119 R)
• M9: 5,245,201 km (0.119 R)
• M10: 5,738,574 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.3

Radius: 14.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.17 AU - 2.29 AU

Year: 2150 Days

Day: 9.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,487,745 km

• M1: 184,005 km (0.054 R)
• M2: 817,702 km (0.081 R)
• M3: 1,438,832 km (0.072 R)
• M4: 2,384,740 km (0.117 R)
• M5: 3,335,285 km (0.055 R)
• M6: 5,080,493 km (0.116 R)
• M7: 6,629,130 km (0.114 R)
• M8: 8,204,246 km (0.099 R)
• M9: 9,159,429 km (0.073 R)
• M10: 11,144,892 km (0.112 R)
• M11: 12,672,286 km (0.056 R)
• M12: 14,817,220 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.7

Radius: 10.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.38 AU - 2.48 AU

Year: 2446 Days

Day: 12.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,487,745 km

• M1: 132,095 km (0.102 R)
• M2: 488,138 km (0.114 R)
• M3: 1,012,927 km (0.057 R)
• M4: 1,384,528 km (0.045 R)
• M5: 2,272,840 km (0.047 R)
• M6: 3,184,639 km (0.104 R)
• M7: 4,225,242 km (0.111 R)
• M8: 4,560,940 km (0.058 R)
• M9: 6,149,370 km (0.051 R)
• M10: 6,603,998 km (0.118 R)
• M11: 8,206,042 km (0.117 R)
• M12: 8,650,796 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.7

Radius: 10.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.83 AU - 3.35 AU

Year: 3507 Days

Day: 8.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,487,745 km

• M1: 126,859 km (0.07 R)
• M2: 496,216 km (0.101 R)
• M3: 849,866 km (0.083 R)
• M4: 1,182,870 km (0.107 R)
• M5: 2,045,900 km (0.098 R)
• M6: 2,703,383 km (0.117 R)
• M7: 3,221,291 km (0.077 R)
• M8: 3,786,621 km (0.056 R)
• M9: 4,416,877 km (0.093 R)
• M10: 5,008,537 km (0.064 R)
• M11: 5,401,830 km (0.071 R)
• M12: 6,275,481 km (0.104 R)
• M13: 6,785,460 km (0.083 R)
• M14: 7,295,439 km (0.101 R)
• M15: 7,859,573 km (0.106 R)
• M16: 8,948,346 km (0.082 R)
• M17: 9,728,200 km (0.082 R)
• M18: 12,223,343 km (0.039 R)
• M19: 13,101,333 km (0.112 R)
• M20: 13,639,586 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 9.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.44 AU - 4.14 AU

Year: 4764 Days

Day: 14.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,487,745 km

• M1: 123,119 km (0.074 R)
• M2: 620,083 km (0.088 R)
• M3: 1,045,988 km (0.085 R)
• M4: 1,652,608 km (0.088 R)
• M5: 1,996,832 km (0.12 R)
• M6: 2,479,884 km (0.082 R)
• M7: 2,952,015 km (0.102 R)
• M8: 5,131,955 km (0.099 R)
• M9: 6,446,920 km (0.036 R)
• M10: 9,155,240 km (0.09 R)
• M11: 9,690,202 km (0.057 R)
• M12: 10,326,891 km (0.111 R)
• M13: 11,247,666 km (0.087 R)
• M14: 12,497,556 km (0.053 R)
• M15: 15,324,207 km (0.11 R)
• M16: 17,027,978 km (0.111 R)
• M17: 20,227,577 km (0.052 R)
• M18: 20,613,390 km (0.039 R)
• M19: 23,453,057 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.1

Radius: 14.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.12 AU - 4.5 AU

Year: 4802 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,487,745 km

• M1: 178,021 km (0.096 R)
• M2: 794,065 km (0.087 R)
• M3: 1,492,538 km (0.093 R)
• M4: 2,368,284 km (0.094 R)
• M5: 2,849,690 km (0.086 R)
• M6: 3,652,582 km (0.095 R)
• M7: 5,275,419 km (0.119 R)
• M8: 6,075,768 km (0.079 R)
• M9: 7,697,858 km (0.041 R)
• M10: 9,424,067 km (0.055 R)
• M11: 10,156,050 km (0.066 R)
• M12: 10,649,573 km (0.12 R)
• M13: 11,396,216 km (0.096 R)
• M14: 12,028,267 km (0.056 R)
• M15: 14,343,145 km (0.114 R)
• M16: 16,022,830 km (0.043 R)
• M17: 17,318,646 km (0.079 R)
• M18: 18,155,198 km (0.099 R)
• M19: 20,541,583 km (0.106 R)
• M20: 23,130,374 km (0.101 R)
• M21: 24,703,844 km (0.114 R)
• M22: 28,150,729 km (0.06 R)
• M23: 28,858,776 km (0.026 R)
• M24: 31,148,670 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 8.2

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.86 AU - 4.22 AU

Year: 5243 Days

Day: 7.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 128.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,487,745 km

• M1: 102,026 km (0.101 R)
• M2: 387,907 km (0.07 R)
• M3: 658,829 km (0.098 R)
• M4: 1,090,718 km (0.114 R)
• M5: 1,349,822 km (0.067 R)
• M6: 1,624,782 km (0.03 R)
• M7: 1,937,592 km (0.043 R)
• M8: 3,353,685 km (0.066 R)
• M9: 3,704,193 km (0.116 R)
• M10: 4,504,691 km (0.078 R)
• M11: 5,415,742 km (0.071 R)
• M12: 5,930,658 km (0.098 R)
• M13: 6,611,328 km (0.107 R)
• M14: 6,953,159 km (0.112 R)
• M15: 7,784,624 km (0.093 R)
• M16: 8,600,232 km (0.071 R)
• M17: 10,910,622 km (0.083 R)
• M18: 12,031,259 km (0.091 R)
• M19: 13,825,835 km (0.119 R)
• M20: 14,614,216 km (0.097 R)
• M21: 16,034,797 km (0.059 R)
• M22: 17,287,081 km (0.077 R)
• M23: 18,003,057 km (0.083 R)
• M24: 20,198,405 km (0.12 R)
• M25: 22,260,612 km (0.028 R)
• M26: 25,946,703 km (0.064 R)
• M27: 29,009,869 km (0.027 R)
• M28: 30,864,434 km (0.109 R)
• M29: 32,111,482 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.1

Radius: 6.6

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.34 AU - 6.4 AU

Year: 10381 Days

Day: 22 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,487,745 km

• M1: 82,728 km (0.086 R)
• M2: 329,714 km (0.101 R)
• M3: 586,573 km (0.115 R)
• M4: 868,565 km (0.117 R)
• M5: 1,088,025 km (0.06 R)
• M6: 1,799,662 km (0.034 R)
• M7: 2,990,910 km (0.079 R)
• M8: 3,227,873 km (0.075 R)
• M9: 5,012,576 km (0.109 R)
• M10: 5,862,292 km (0.095 R)
• M11: 6,586,944 km (0.117 R)
• M12: 6,952,262 km (0.1 R)
• M13: 10,185,371 km (0.086 R)
• M14: 10,575,223 km (0.037 R)
• M15: 13,413,543 km (0.054 R)
• M16: 17,060,141 km (0.115 R)
• M17: 24,634,431 km (0.114 R)
• M18: 26,323,989 km (0.063 R)
• M19: 29,537,800 km (0.114 R)
• M20: 33,535,355 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 10,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit