🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.3

Radius: 8.7

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.74 AU - 1.12 AU

Year: 588 Days

Day: 6.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,506,557 km

• M1: 108,608 km (0.06 R)
• M2: 471,682 km (0.113 R)
• M3: 759,508 km (0.091 R)
• M4: 1,157,888 km (0.032 R)
• M5: 1,632,262 km (0.091 R)
• M6: 2,194,750 km (0.104 R)
• M7: 3,322,868 km (0.11 R)
• M8: 3,611,891 km (0.082 R)
• M9: 3,904,205 km (0.092 R)
• M10: 4,212,227 km (0.107 R)
• M11: 6,022,212 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.9

Radius: 8.6

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.84 AU - 2.1 AU

Year: 1814 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,506,557 km

• M1: 107,112 km (0.096 R)
• M2: 415,732 km (0.064 R)
• M3: 1,093,860 km (0.081 R)
• M4: 1,421,629 km (0.086 R)
• M5: 1,779,616 km (0.066 R)
• M6: 2,108,732 km (0.08 R)
• M7: 3,794,849 km (0.073 R)
• M8: 4,088,510 km (0.094 R)
• M9: 4,584,576 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.5

Radius: 14.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.57 AU - 2.55 AU

Year: 1940 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,506,557 km

• M1: 180,265 km (0.087 R)
• M2: 948,899 km (0.059 R)
• M3: 1,467,406 km (0.1 R)
• M4: 2,019,422 km (0.109 R)
• M5: 2,609,436 km (0.107 R)
• M6: 3,403,052 km (0.098 R)
• M7: 4,142,814 km (0.066 R)
• M8: 4,852,357 km (0.03 R)
• M9: 5,727,504 km (0.113 R)
• M10: 6,875,069 km (0.113 R)
• M11: 7,766,074 km (0.115 R)
• M12: 8,281,289 km (0.102 R)
• M13: 9,171,097 km (0.079 R)
• M14: 9,965,761 km (0.088 R)
• M15: 10,972,705 km (0.103 R)
• M16: 11,727,875 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.5

Radius: 13.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.24 AU - 2.78 AU

Year: 2609 Days

Day: 15 Hours

Environment

Temp: -200 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,506,557 km

• M1: 171,589 km (0.103 R)
• M2: 680,371 km (0.092 R)
• M3: 1,205,609 km (0.111 R)
• M4: 1,970,204 km (0.103 R)
• M5: 2,836,675 km (0.115 R)
• M6: 3,323,915 km (0.09 R)
• M7: 4,022,238 km (0.069 R)
• M8: 4,928,651 km (0.086 R)
• M9: 8,641,371 km (0.096 R)
• M10: 9,183,215 km (0.056 R)
• M11: 10,485,913 km (0.071 R)
• M12: 13,145,314 km (0.045 R)
• M13: 13,681,473 km (0.071 R)
• M14: 15,329,144 km (0.067 R)
• M15: 16,024,026 km (0.036 R)
• M16: 16,843,823 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.7

Radius: 13.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.54 AU - 2.86 AU

Year: 2910 Days

Day: 11.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,506,557 km

• M1: 173,534 km (0.119 R)
• M2: 616,044 km (0.103 R)
• M3: 1,463,516 km (0.067 R)
• M4: 3,196,607 km (0.062 R)
• M5: 3,979,453 km (0.072 R)
• M6: 4,745,992 km (0.102 R)
• M7: 5,428,458 km (0.085 R)
• M8: 6,259,624 km (0.037 R)
• M9: 7,236,199 km (0.073 R)
• M10: 8,414,731 km (0.111 R)
• M11: 8,870,555 km (0.104 R)
• M12: 10,862,002 km (0.099 R)
• M13: 11,318,874 km (0.081 R)
• M14: 11,918,911 km (0.077 R)
• M15: 12,767,131 km (0.094 R)
• M16: 13,944,167 km (0.103 R)
• M17: 15,607,097 km (0.087 R)
• M18: 17,853,159 km (0.064 R)
• M19: 19,750,060 km (0.119 R)
• M20: 20,810,859 km (0.118 R)
• M21: 22,439,531 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.5

Radius: 5.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.86 AU - 6.08 AU

Year: 9569 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,506,557 km

• M1: 85,570 km (0.073 R)
• M2: 495,917 km (0.119 R)
• M3: 2,440,240 km (0.068 R)
• M4: 2,628,285 km (0.073 R)
• M5: 2,826,053 km (0.042 R)
• M6: 3,033,695 km (0.049 R)
• M7: 3,607,104 km (0.097 R)
• M8: 4,830,964 km (0.086 R)
• M9: 6,096,113 km (0.115 R)
• M10: 12,981,206 km (0.077 R)
• M11: 15,387,188 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.8

Radius: 3.7

Gravity: 32.42 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.43 AU - 9.11 AU

Year: 15602 Days

Day: 16.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,506,557 km

• M1: 47,871 km (0.053 R)
• M2: 198,965 km (0.079 R)
• M3: 365,767 km (0.108 R)
• M4: 751,131 km (0.1 R)
• M5: 906,713 km (0.108 R)
• M6: 1,596,808 km (0.104 R)
• M7: 1,855,612 km (0.113 R)
• M8: 2,315,326 km (0.042 R)
• M9: 2,915,812 km (0.101 R)
• M10: 4,088,360 km (0.081 R)
• M11: 7,749,618 km (0.075 R)
• M12: 8,630,451 km (0.076 R)
• M13: 12,699,513 km (0.093 R)
• M14: 13,076,499 km (0.065 R)
• M15: 13,267,835 km (0.099 R)
• M16: 15,214,552 km (0.119 R)
• M17: 17,651,950 km (0.056 R)
• M18: 18,922,335 km (0.111 R)
• M19: 19,167,078 km (0.104 R)
• M20: 21,377,835 km (0.085 R)
• M21: 22,819,510 km (0.099 R)
• M22: 25,894,943 km (0.119 R)
• M23: 26,704,716 km (0.077 R)
• M24: 28,162,398 km (0.113 R)
• M25: 30,895,551 km (0.111 R)
• M26: 33,087,309 km (0.108 R)
• M27: 33,800,442 km (0.118 R)
• M28: 33,920,270 km (0.065 R)
• M29: 36,882,158 km (0.072 R)
• M30: 41,916,725 km (0.09 R)
• M31: 42,751,331 km (0.106 R)
• M32: 44,453,755 km (0.086 R)
• M33: 47,091,166 km (0.12 R)
• M34: 48,296,027 km (0.086 R)
• M35: 52,353,869 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.8

Radius: 3

Gravity: 87.42 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.76 AU - 9 AU

Year: 17359 Days

Day: 21.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,506,557 km

• M1: 37,250 km (0.064 R)
• M2: 131,197 km (0.098 R)
• M3: 291,865 km (0.114 R)
• M4: 399,726 km (0.091 R)
• M5: 511,176 km (0.098 R)
• M6: 652,546 km (0.065 R)
• M7: 1,169,706 km (0.085 R)
• M8: 1,577,510 km (0.092 R)
• M9: 1,714,840 km (0.073 R)
• M10: 1,993,990 km (0.105 R)
• M11: 2,093,473 km (0.117 R)
• M12: 4,923,116 km (0.034 R)
• M13: 9,259,959 km (0.104 R)
• M14: 13,671,151 km (0.106 R)
• M15: 14,921,041 km (0.042 R)
• M16: 15,847,650 km (0.11 R)
• M17: 16,405,650 km (0.119 R)
• M18: 16,976,666 km (0.038 R)
• M19: 18,592,921 km (0.043 R)
• M20: 19,939,152 km (0.108 R)
• M21: 20,589,155 km (0.118 R)
• M22: 23,432,412 km (0.12 R)
• M23: 23,740,733 km (0.119 R)
• M24: 24,787,918 km (0.113 R)
• M25: 25,322,880 km (0.036 R)
• M26: 25,430,740 km (0.086 R)
• M27: 28,461,444 km (0.109 R)
• M28: 29,762,197 km (0.118 R)
• M29: 29,882,324 km (0.097 R)
• M30: 43,917,148 km (0.081 R)
• M31: 47,430,155 km (0.119 R)
• M32: 52,340,854 km (0.086 R)
• M33: 53,931,080 km (0.068 R)
• M34: 57,207,572 km (0.1 R)
• M35: 58,140,614 km (0.084 R)
• M36: 58,516,703 km (0.117 R)
• M37: 62,367,053 km (0.089 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: 441 - 20,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit