🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.8

Radius: 9.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.74 AU - 0.74 AU

Year: 447 Days

Day: 13.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,201,817 km

• M1: 114,592 km (0.071 R)
• M2: 436,078 km (0.062 R)
• M3: 771,177 km (0.085 R)
• M4: 1,323,941 km (0.083 R)
• M5: 1,718,580 km (0.117 R)
• M6: 2,123,243 km (0.119 R)
• M7: 2,412,266 km (0.12 R)
• M8: 3,158,460 km (0.109 R)
• M9: 3,454,664 km (0.092 R)
• M10: 4,541,791 km (0.098 R)
• M11: 5,041,448 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.9

Radius: 14.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.75 AU - 0.97 AU

Year: 561 Days

Day: 12.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,201,817 km

• M1: 185,352 km (0.029 R)
• M2: 695,331 km (0.064 R)
• M3: 1,249,741 km (0.08 R)
• M4: 1,714,092 km (0.079 R)
• M5: 2,560,068 km (0.1 R)
• M6: 3,342,465 km (0.087 R)
• M7: 4,037,497 km (0.098 R)
• M8: 5,560,254 km (0.117 R)
• M9: 6,213,996 km (0.059 R)
• M10: 6,858,015 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.5

Radius: 11

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.69 AU - 1.07 AU

Year: 580 Days

Day: 9.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,201,817 km

• M1: 136,882 km (0.06 R)
• M2: 500,554 km (0.1 R)
• M3: 859,141 km (0.08 R)
• M4: 1,386,174 km (0.097 R)
• M5: 1,766,302 km (0.104 R)
• M6: 2,516,984 km (0.088 R)
• M7: 3,090,991 km (0.086 R)
• M8: 3,528,864 km (0.077 R)
• M9: 4,168,245 km (0.104 R)
• M10: 4,660,422 km (0.086 R)
• M11: 5,745,157 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.3

Radius: 9.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.41 AU - 2.07 AU

Year: 1613 Days

Day: 13.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,201,817 km

• M1: 120,725 km (0.096 R)
• M2: 1,794,127 km (0.113 R)
• M3: 2,404,038 km (0.076 R)
• M4: 4,113,642 km (0.094 R)
• M5: 5,137,490 km (0.081 R)
• M6: 6,429,268 km (0.113 R)
• M7: 9,252,778 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.8

Radius: 8.8

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.34 AU - 3.22 AU

Year: 3258 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,201,817 km

• M1: 110,702 km (0.086 R)
• M2: 419,472 km (0.08 R)
• M3: 955,631 km (0.055 R)
• M4: 1,741,020 km (0.053 R)
• M5: 2,020,170 km (0.092 R)
• M6: 2,465,074 km (0.071 R)
• M7: 3,492,661 km (0.07 R)
• M8: 4,758,409 km (0.043 R)
• M9: 5,105,027 km (0.115 R)
• M10: 6,663,987 km (0.104 R)
• M11: 7,067,153 km (0.087 R)
• M12: 7,820,079 km (0.107 R)
• M13: 8,163,855 km (0.115 R)
• M14: 9,104,826 km (0.111 R)
• M15: 11,549,853 km (0.118 R)
• M16: 15,235,646 km (0.118 R)
• M17: 15,881,460 km (0.03 R)
• M18: 16,545,524 km (0.074 R)
• M19: 18,954,349 km (0.109 R)
• M20: 20,274,551 km (0.046 R)
• M21: 21,187,995 km (0.092 R)
• M22: 22,196,883 km (0.12 R)
• M23: 22,609,325 km (0.118 R)
• M24: 23,096,864 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.8

Radius: 12.8

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.73 AU - 5.81 AU

Year: 8504 Days

Day: 7.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,201,817 km

• M1: 160,519 km (0.11 R)
• M2: 892,650 km (0.039 R)
• M3: 1,343,389 km (0.115 R)
• M4: 3,010,807 km (0.107 R)
• M5: 3,497,598 km (0.052 R)
• M6: 4,107,958 km (0.119 R)
• M7: 5,484,707 km (0.044 R)
• M8: 7,504,428 km (0.038 R)
• M9: 8,682,212 km (0.09 R)
• M10: 10,023,506 km (0.066 R)
• M11: 10,975,996 km (0.074 R)
• M12: 11,643,950 km (0.119 R)
• M13: 14,818,267 km (0.118 R)
• M14: 16,357,929 km (0.053 R)
• M15: 17,420,822 km (0.058 R)
• M16: 18,264,404 km (0.119 R)
• M17: 18,999,229 km (0.063 R)
• M18: 20,670,835 km (0.108 R)
• M19: 23,671,769 km (0.067 R)
• M20: 24,949,634 km (0.117 R)
• M21: 25,440,464 km (0.073 R)
• M22: 26,105,128 km (0.111 R)
• M23: 28,256,644 km (0.104 R)
• M24: 30,338,149 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.3

Radius: 6.3

Gravity: 19.41 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.09 AU - 7.11 AU

Year: 11919 Days

Day: 16.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 36,201,817 km

• M1: 79,287 km (0.101 R)
• M2: 415,732 km (0.108 R)
• M3: 768,035 km (0.116 R)
• M4: 1,107,922 km (0.116 R)
• M5: 1,306,588 km (0.112 R)
• M6: 1,574,069 km (0.071 R)
• M7: 1,810,583 km (0.079 R)
• M8: 2,602,853 km (0.098 R)
• M9: 3,100,416 km (0.111 R)
• M10: 4,343,425 km (0.113 R)
• M11: 4,910,101 km (0.085 R)
• M12: 5,631,911 km (0.097 R)
• M13: 6,113,018 km (0.109 R)
• M14: 8,128,849 km (0.115 R)
• M15: 9,036,759 km (0.042 R)
• M16: 11,395,767 km (0.11 R)
• M17: 12,285,725 km (0.084 R)
• M18: 14,337,759 km (0.106 R)
• M19: 15,802,023 km (0.063 R)
• M20: 18,141,883 km (0.11 R)
• M21: 18,619,998 km (0.068 R)
• M22: 19,188,470 km (0.12 R)
• M23: 20,274,700 km (0.102 R)
• M24: 25,424,757 km (0.092 R)
• M25: 27,770,750 km (0.045 R)
• M26: 30,704,514 km (0.066 R)
• M27: 31,611,825 km (0.078 R)
• M28: 32,072,138 km (0.047 R)
• M29: 40,733,107 km (0.092 R)
• M30: 41,004,926 km (0.067 R)
• M31: 43,649,068 km (0.115 R)
• M32: 44,795,586 km (0.094 R)
• M33: 48,660,447 km (0.114 R)
• M34: 49,737,851 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.6

Radius: 6.4

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.92 AU - 9.86 AU

Year: 15578 Days

Day: 16.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,201,817 km

• M1: 79,586 km (0.07 R)
• M2: 351,555 km (0.086 R)
• M3: 721,810 km (0.087 R)
• M4: 1,779,018 km (0.114 R)
• M5: 2,015,083 km (0.057 R)
• M6: 2,238,882 km (0.05 R)
• M7: 3,415,319 km (0.113 R)
• M8: 6,321,856 km (0.114 R)
• M9: 7,423,196 km (0.048 R)
• M10: 8,400,220 km (0.117 R)
• M11: 9,504,551 km (0.028 R)
• M12: 13,959,277 km (0.065 R)
• M13: 15,563,714 km (0.102 R)
• M14: 18,574,221 km (0.053 R)
• M15: 19,490,508 km (0.07 R)
• M16: 21,260,849 km (0.049 R)
• M17: 22,975,241 km (0.093 R)
• M18: 24,445,040 km (0.098 R)
• M19: 28,207,576 km (0.101 R)
• M20: 29,700,712 km (0.089 R)
• M21: 32,641,208 km (0.118 R)
• M22: 33,766,334 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 15,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit