🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.3

Radius: 10.5

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.17 AU - 1.71 AU

Year: 1134 Days

Day: 10.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,769,347 km

• M1: 132,993 km (0.069 R)
• M2: 505,042 km (0.106 R)
• M3: 1,053,169 km (0.081 R)
• M4: 1,811,181 km (0.09 R)
• M5: 2,290,942 km (0.107 R)
• M6: 2,697,100 km (0.042 R)
• M7: 3,547,863 km (0.073 R)
• M8: 5,011,080 km (0.115 R)
• M9: 6,925,633 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.4

Radius: 9.9

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.36 AU - 2.14 AU

Year: 1519 Days

Day: 6.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,769,347 km

• M1: 127,009 km (0.059 R)
• M2: 604,675 km (0.075 R)
• M3: 1,184,217 km (0.112 R)
• M4: 1,620,743 km (0.069 R)
• M5: 2,246,511 km (0.118 R)
• M6: 2,629,332 km (0.063 R)
• M7: 3,011,106 km (0.058 R)
• M8: 3,594,388 km (0.12 R)
• M9: 3,922,307 km (0.117 R)
• M10: 4,520,249 km (0.117 R)
• M11: 5,199,274 km (0.078 R)
• M12: 5,688,758 km (0.095 R)
• M13: 6,233,145 km (0.042 R)
• M14: 6,682,986 km (0.086 R)
• M15: 8,076,639 km (0.089 R)
• M16: 9,202,663 km (0.036 R)
• M17: 10,464,670 km (0.063 R)
• M18: 11,876,425 km (0.116 R)
• M19: 12,925,406 km (0.062 R)
• M20: 13,575,558 km (0.112 R)
• M21: 14,461,776 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467

Radius: 14.1

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.56 AU - 2.38 AU

Year: 1814 Days

Day: 6.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,769,347 km

• M1: 175,478 km (0.092 R)
• M2: 616,642 km (0.096 R)
• M3: 1,465,610 km (0.117 R)
• M4: 2,117,109 km (0.102 R)
• M5: 2,607,491 km (0.045 R)
• M6: 3,130,036 km (0.088 R)
• M7: 3,607,852 km (0.103 R)
• M8: 4,188,292 km (0.076 R)
• M9: 4,712,782 km (0.069 R)
• M10: 5,940,531 km (0.1 R)
• M11: 6,854,275 km (0.065 R)
• M12: 8,632,545 km (0.111 R)
• M13: 9,773,079 km (0.094 R)
• M14: 10,329,733 km (0.114 R)
• M15: 10,838,515 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887

Radius: 13.5

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.32 AU - 3.26 AU

Year: 3057 Days

Day: 9.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,769,347 km

• M1: 167,998 km (0.028 R)
• M2: 829,221 km (0.113 R)
• M3: 1,370,017 km (0.088 R)
• M4: 2,474,349 km (0.102 R)
• M5: 2,937,504 km (0.074 R)
• M6: 3,497,149 km (0.095 R)
• M7: 4,084,620 km (0.036 R)
• M8: 5,027,386 km (0.096 R)
• M9: 5,697,435 km (0.098 R)
• M10: 6,281,465 km (0.109 R)
• M11: 8,991,430 km (0.08 R)
• M12: 10,666,029 km (0.084 R)
• M13: 11,253,799 km (0.115 R)
• M14: 11,996,552 km (0.058 R)
• M15: 14,071,325 km (0.101 R)
• M16: 15,563,414 km (0.091 R)
• M17: 16,541,186 km (0.076 R)
• M18: 17,215,573 km (0.11 R)
• M19: 20,288,164 km (0.1 R)
• M20: 22,734,538 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.2

Radius: 11.4

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.49 AU - 3.11 AU

Year: 3074 Days

Day: 14.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,769,347 km

• M1: 141,968 km (0.109 R)
• M2: 1,443,769 km (0.118 R)
• M3: 1,891,515 km (0.086 R)
• M4: 2,700,092 km (0.111 R)
• M5: 3,072,740 km (0.106 R)
• M6: 4,469,685 km (0.118 R)
• M7: 5,187,157 km (0.1 R)
• M8: 5,663,775 km (0.092 R)
• M9: 6,532,640 km (0.111 R)
• M10: 7,551,102 km (0.081 R)
• M11: 8,672,189 km (0.058 R)
• M12: 9,418,233 km (0.114 R)
• M13: 10,478,882 km (0.072 R)
• M14: 10,997,687 km (0.12 R)
• M15: 12,000,442 km (0.083 R)
• M16: 13,570,621 km (0.105 R)
• M17: 20,670,686 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139

Radius: 12.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.97 AU - 3.61 AU

Year: 3915 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,769,347 km

• M1: 156,031 km (0.108 R)
• M2: 566,826 km (0.049 R)
• M3: 1,016,518 km (0.053 R)
• M4: 2,475,396 km (0.069 R)
• M5: 4,639,628 km (0.11 R)
• M6: 6,396,506 km (0.073 R)
• M7: 8,622,223 km (0.108 R)
• M8: 12,387,900 km (0.102 R)
• M9: 14,368,576 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.5

Radius: 10.6

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.38 AU - 3.74 AU

Year: 4406 Days

Day: 14.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,769,347 km

• M1: 131,796 km (0.097 R)
• M2: 628,012 km (0.087 R)
• M3: 1,107,922 km (0.098 R)
• M4: 1,866,832 km (0.111 R)
• M5: 2,724,177 km (0.026 R)
• M6: 3,094,881 km (0.117 R)
• M7: 3,520,487 km (0.105 R)
• M8: 3,870,695 km (0.037 R)
• M9: 4,317,095 km (0.079 R)
• M10: 4,667,753 km (0.057 R)
• M11: 5,541,704 km (0.092 R)
• M12: 6,361,051 km (0.118 R)
• M13: 7,399,111 km (0.087 R)
• M14: 8,861,131 km (0.061 R)
• M15: 9,597,302 km (0.108 R)
• M16: 10,373,715 km (0.097 R)
• M17: 10,868,435 km (0.085 R)
• M18: 11,331,889 km (0.114 R)
• M19: 12,397,774 km (0.044 R)
• M20: 14,120,393 km (0.112 R)
• M21: 16,175,569 km (0.026 R)
• M22: 17,274,665 km (0.071 R)
• M23: 18,227,902 km (0.049 R)
• M24: 20,239,395 km (0.029 R)
• M25: 21,083,875 km (0.026 R)
• M26: 28,010,406 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.5

Radius: 13.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.39 AU - 6.49 AU

Year: 8324 Days

Day: 11.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,769,347 km

• M1: 193,729 km (0.083 R)
• M2: 1,202,617 km (0.117 R)
• M3: 1,907,971 km (0.101 R)
• M4: 2,774,592 km (0.092 R)
• M5: 3,464,687 km (0.104 R)
• M6: 4,379,328 km (0.089 R)
• M7: 4,878,835 km (0.105 R)
• M8: 5,416,490 km (0.086 R)
• M9: 6,206,965 km (0.095 R)
• M10: 6,649,326 km (0.114 R)
• M11: 7,474,209 km (0.12 R)
• M12: 8,770,175 km (0.094 R)
• M13: 10,882,198 km (0.11 R)
• M14: 12,544,081 km (0.109 R)
• M15: 13,375,246 km (0.076 R)
• M16: 13,991,141 km (0.108 R)
• M17: 16,021,483 km (0.101 R)
• M18: 17,000,003 km (0.102 R)
• M19: 18,999,528 km (0.096 R)
• M20: 20,741,146 km (0.119 R)
• M21: 28,780,536 km (0.092 R)
• M22: 29,394,186 km (0.046 R)
• M23: 30,647,817 km (0.067 R)
• M24: 34,165,162 km (0.096 R)
• M25: 41,082,268 km (0.032 R)
• M26: 47,303,445 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.5

Radius: 4.3

Gravity: 33.99 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.83 AU - 7.45 AU

Year: 9981 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,769,347 km

• M1: 53,556 km (0.116 R)
• M2: 367,113 km (0.103 R)
• M3: 561,890 km (0.099 R)
• M4: 908,358 km (0.117 R)
• M5: 1,928,466 km (0.093 R)
• M6: 3,326,608 km (0.085 R)
• M7: 5,033,071 km (0.028 R)
• M8: 5,387,169 km (0.113 R)
• M9: 8,126,156 km (0.105 R)
• M10: 8,478,310 km (0.101 R)
• M11: 9,547,635 km (0.045 R)
• M12: 10,496,385 km (0.111 R)
• M13: 11,506,320 km (0.102 R)
• M14: 12,176,668 km (0.109 R)
• M15: 12,696,072 km (0.092 R)
• M16: 15,450,318 km (0.083 R)
• M17: 16,543,131 km (0.107 R)
• M18: 16,894,985 km (0.107 R)
• M19: 19,034,683 km (0.112 R)
• M20: 20,369,545 km (0.118 R)
• M21: 21,018,650 km (0.11 R)
• M22: 23,136,358 km (0.073 R)
• M23: 34,038,452 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.1

Radius: 3.3

Gravity: 81.37 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.05 AU - 9.73 AU

Year: 18876 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,769,347 km

• M1: 41,139 km (0.119 R)
• M2: 175,329 km (0.101 R)
• M3: 294,259 km (0.05 R)
• M4: 419,024 km (0.116 R)
• M5: 708,047 km (0.1 R)
• M6: 1,156,990 km (0.059 R)
• M7: 1,772,585 km (0.098 R)
• M8: 2,046,499 km (0.112 R)
• M9: 2,803,314 km (0.113 R)
• M10: 3,401,108 km (0.106 R)
• M11: 4,662,068 km (0.088 R)
• M12: 5,616,802 km (0.078 R)
• M13: 5,780,761 km (0.114 R)
• M14: 8,478,160 km (0.117 R)
• M15: 10,248,202 km (0.094 R)
• M16: 10,931,266 km (0.109 R)
• M17: 11,251,405 km (0.118 R)
• M18: 13,524,096 km (0.044 R)
• M19: 14,574,273 km (0.048 R)
• M20: 14,806,150 km (0.114 R)
• M21: 24,127,893 km (0.086 R)
• M22: 26,232,435 km (0.105 R)
• M23: 26,460,871 km (0.068 R)
• M24: 26,921,782 km (0.062 R)
• M25: 28,818,534 km (0.099 R)
• M26: 31,056,668 km (0.079 R)
• M27: 40,861,910 km (0.097 R)
• M28: 47,465,310 km (0.081 R)
• M29: 50,929,847 km (0.118 R)
• M30: 54,931,291 km (0.118 R)
• M31: 58,941,411 km (0.092 R)
• M32: 66,051,050 km (0.045 R)
• M33: 66,473,664 km (0.061 R)
• M34: 75,080,628 km (0.09 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: 397 - 17,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit