🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.4

Radius: 10.4

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.53 AU - 0.63 AU

Year: 295 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,741,410 km

• M1: 129,701 km (0.106 R)
• M2: 458,069 km (0.117 R)
• M3: 869,912 km (0.106 R)
• M4: 1,196,783 km (0.058 R)
• M5: 1,607,728 km (0.095 R)
• M6: 2,035,578 km (0.094 R)
• M7: 2,592,531 km (0.097 R)
• M8: 3,175,364 km (0.107 R)
• M9: 4,110,949 km (0.1 R)
• M10: 4,469,685 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408

Radius: 14.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.53 AU - 0.79 AU

Year: 358 Days

Day: 14.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,741,410 km

• M1: 180,415 km (0.094 R)
• M2: 650,302 km (0.066 R)
• M3: 1,128,267 km (0.109 R)
• M4: 1,613,712 km (0.038 R)
• M5: 2,511,299 km (0.113 R)
• M6: 4,240,202 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.5

Radius: 8.1

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.68 AU - 1.02 AU

Year: 523 Days

Day: 10.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,741,410 km

• M1: 100,679 km (0.082 R)
• M2: 441,763 km (0.08 R)
• M3: 829,670 km (0.101 R)
• M4: 1,588,580 km (0.099 R)
• M5: 1,887,327 km (0.089 R)
• M6: 3,746,379 km (0.098 R)
• M7: 4,488,535 km (0.044 R)
• M8: 4,939,572 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 9.7

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.65 AU - 1.95 AU

Year: 1610 Days

Day: 5.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,741,410 km

• M1: 120,725 km (0.071 R)
• M2: 443,707 km (0.051 R)
• M3: 853,007 km (0.083 R)
• M4: 1,308,981 km (0.1 R)
• M5: 2,309,043 km (0.046 R)
• M6: 2,612,278 km (0.065 R)
• M7: 3,087,999 km (0.061 R)
• M8: 3,857,231 km (0.066 R)
• M9: 4,305,876 km (0.081 R)
• M10: 5,570,277 km (0.076 R)
• M11: 6,361,051 km (0.115 R)
• M12: 7,093,033 km (0.12 R)
• M13: 8,397,228 km (0.039 R)
• M14: 9,499,465 km (0.114 R)
• M15: 10,489,354 km (0.053 R)
• M16: 10,974,201 km (0.058 R)
• M17: 12,138,820 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.9

Radius: 11.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.37 AU - 3.39 AU

Year: 3259 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 54.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,741,410 km

• M1: 149,598 km (0.106 R)
• M2: 530,175 km (0.107 R)
• M3: 1,788,293 km (0.087 R)
• M4: 2,565,753 km (0.095 R)
• M5: 3,340,221 km (0.116 R)
• M6: 4,729,088 km (0.03 R)
• M7: 6,886,289 km (0.087 R)
• M8: 8,724,847 km (0.104 R)
• M9: 9,852,815 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.7

Radius: 11.4

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.63 AU - 5.29 AU

Year: 6281 Days

Day: 7.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,741,410 km

• M1: 148,700 km (0.102 R)
• M2: 565,779 km (0.092 R)
• M3: 958,922 km (0.099 R)
• M4: 1,996,982 km (0.074 R)
• M5: 3,422,201 km (0.093 R)
• M6: 4,156,726 km (0.037 R)
• M7: 6,101,948 km (0.119 R)
• M8: 6,891,824 km (0.042 R)
• M9: 7,556,488 km (0.109 R)
• M10: 7,983,440 km (0.058 R)
• M11: 8,344,569 km (0.116 R)
• M12: 8,800,992 km (0.079 R)
• M13: 11,489,266 km (0.077 R)
• M14: 12,054,746 km (0.063 R)
• M15: 13,186,155 km (0.114 R)
• M16: 14,564,101 km (0.049 R)
• M17: 24,740,346 km (0.074 R)
• M18: 27,826,401 km (0.05 R)
• M19: 31,557,671 km (0.062 R)
• M20: 32,058,973 km (0.073 R)
• M21: 36,262,823 km (0.106 R)
• M22: 37,145,600 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.6

Radius: 10.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.54 AU - 5.7 AU

Year: 8885 Days

Day: 12.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,741,410 km

• M1: 126,111 km (0.062 R)
• M2: 728,093 km (0.09 R)
• M3: 1,317,957 km (0.045 R)
• M4: 3,147,390 km (0.113 R)
• M5: 3,699,855 km (0.079 R)
• M6: 4,057,094 km (0.086 R)
• M7: 5,723,315 km (0.104 R)
• M8: 7,804,222 km (0.118 R)
• M9: 8,207,089 km (0.076 R)
• M10: 9,254,872 km (0.084 R)
• M11: 10,521,069 km (0.1 R)
• M12: 12,731,826 km (0.092 R)
• M13: 13,919,334 km (0.081 R)
• M14: 14,899,050 km (0.111 R)
• M15: 17,673,642 km (0.041 R)
• M16: 19,547,655 km (0.084 R)
• M17: 21,909,207 km (0.055 R)
• M18: 22,491,292 km (0.118 R)
• M19: 25,081,280 km (0.1 R)
• M20: 26,942,128 km (0.101 R)
• M21: 28,118,865 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.1

Radius: 6.1

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.42 AU - 9.84 AU

Year: 15458 Days

Day: 21.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 173.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 63,741,410 km

• M1: 76,145 km (0.074 R)
• M2: 270,024 km (0.093 R)
• M3: 519,404 km (0.079 R)
• M4: 830,418 km (0.11 R)
• M5: 1,207,853 km (0.118 R)
• M6: 1,399,937 km (0.092 R)
• M7: 1,628,672 km (0.093 R)
• M8: 2,405,683 km (0.074 R)
• M9: 3,624,756 km (0.052 R)
• M10: 4,626,314 km (0.086 R)
• M11: 4,997,766 km (0.049 R)
• M12: 5,994,237 km (0.082 R)
• M13: 6,477,139 km (0.103 R)
• M14: 7,384,151 km (0.046 R)
• M15: 8,671,141 km (0.05 R)
• M16: 9,394,148 km (0.113 R)
• M17: 13,351,909 km (0.037 R)
• M18: 14,034,973 km (0.077 R)
• M19: 14,812,882 km (0.056 R)
• M20: 20,449,730 km (0.116 R)
• M21: 24,237,099 km (0.091 R)
• M22: 24,741,244 km (0.077 R)
• M23: 25,355,194 km (0.05 R)
• M24: 25,979,465 km (0.091 R)
• M25: 29,596,592 km (0.116 R)
• M26: 32,186,131 km (0.11 R)
• M27: 37,274,254 km (0.104 R)
• M28: 37,945,650 km (0.028 R)
• M29: 39,036,667 km (0.072 R)
• M30: 39,312,675 km (0.069 R)
• M31: 42,873,254 km (0.096 R)
• M32: 44,505,815 km (0.089 R)
• M33: 44,958,050 km (0.116 R)
• M34: 45,566,015 km (0.092 R)
• M35: 47,109,566 km (0.105 R)
• M36: 50,627,809 km (0.097 R)
• M37: 52,283,259 km (0.094 R)
• M38: 55,179,923 km (0.073 R)
• M39: 58,541,836 km (0.096 R)
• M40: 62,413,728 km (0.059 R)
• M41: 63,170,094 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 17,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit