🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.9

Radius: 11.7

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.42 AU - 0.66 AU

Year: 274 Days

Day: 6.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,862,183 km

• M1: 146,307 km (0.069 R)
• M2: 564,134 km (0.085 R)
• M3: 927,956 km (0.063 R)
• M4: 1,536,669 km (0.101 R)
• M5: 1,933,552 km (0.112 R)
• M6: 2,477,191 km (0.084 R)
• M7: 3,406,493 km (0.108 R)
• M8: 4,204,897 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280

Radius: 9.6

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.61 AU - 0.85 AU

Year: 431 Days

Day: 11.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,862,183 km

• M1: 120,127 km (0.064 R)
• M2: 511,924 km (0.037 R)
• M3: 822,639 km (0.078 R)
• M4: 1,212,790 km (0.041 R)
• M5: 1,527,843 km (0.066 R)
• M6: 2,303,658 km (0.081 R)
• M7: 2,720,437 km (0.071 R)
• M8: 3,035,640 km (0.115 R)
• M9: 3,354,134 km (0.091 R)
• M10: 3,672,179 km (0.047 R)
• M11: 4,107,509 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.7

Radius: 9.6

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.54 AU - 1.72 AU

Year: 1436 Days

Day: 14.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 73.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,862,183 km

• M1: 119,379 km (0.073 R)
• M2: 946,805 km (0.033 R)
• M3: 1,865,934 km (0.044 R)
• M4: 2,308,295 km (0.053 R)
• M5: 3,501,937 km (0.099 R)
• M6: 3,944,148 km (0.112 R)
• M7: 4,878,985 km (0.088 R)
• M8: 5,235,776 km (0.115 R)
• M9: 6,841,260 km (0.097 R)
• M10: 7,617,224 km (0.104 R)
• M11: 7,955,016 km (0.1 R)
• M12: 11,100,611 km (0.082 R)
• M13: 11,572,293 km (0.071 R)
• M14: 13,027,731 km (0.109 R)
• M15: 13,758,217 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.1

Radius: 8.5

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.99 AU - 2.55 AU

Year: 2361 Days

Day: 9.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,862,183 km

• M1: 105,766 km (0.095 R)
• M2: 379,231 km (0.08 R)
• M3: 765,941 km (0.075 R)
• M4: 1,418,487 km (0.042 R)
• M5: 2,139,698 km (0.112 R)
• M6: 2,684,384 km (0.112 R)
• M7: 4,107,958 km (0.088 R)
• M8: 6,105,687 km (0.048 R)
• M9: 6,474,446 km (0.095 R)
• M10: 8,644,513 km (0.092 R)
• M11: 9,487,647 km (0.062 R)
• M12: 10,987,664 km (0.106 R)
• M13: 11,653,674 km (0.084 R)
• M14: 12,057,888 km (0.085 R)
• M15: 12,809,018 km (0.034 R)
• M16: 13,152,794 km (0.097 R)
• M17: 14,404,480 km (0.082 R)
• M18: 15,059,270 km (0.044 R)
• M19: 16,936,723 km (0.111 R)
• M20: 17,825,035 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.9

Radius: 9.8

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.41 AU - 3.47 AU

Year: 3480 Days

Day: 6.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,862,183 km

• M1: 122,969 km (0.106 R)
• M2: 525,238 km (0.045 R)
• M3: 859,141 km (0.097 R)
• M4: 1,310,328 km (0.065 R)
• M5: 2,814,235 km (0.029 R)
• M6: 3,292,500 km (0.084 R)
• M7: 3,803,526 km (0.109 R)
• M8: 4,551,066 km (0.045 R)
• M9: 5,660,035 km (0.052 R)
• M10: 6,336,367 km (0.105 R)
• M11: 8,910,199 km (0.027 R)
• M12: 9,668,510 km (0.079 R)
• M13: 10,593,025 km (0.077 R)
• M14: 12,431,882 km (0.107 R)
• M15: 13,329,918 km (0.087 R)
• M16: 13,919,035 km (0.087 R)
• M17: 17,014,364 km (0.072 R)
• M18: 17,590,914 km (0.038 R)
• M19: 21,194,727 km (0.111 R)
• M20: 21,862,233 km (0.112 R)
• M21: 22,612,616 km (0.08 R)
• M22: 23,380,202 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.5

Radius: 12

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.58 AU - 4.06 AU

Year: 4176 Days

Day: 8.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,862,183 km

• M1: 150,047 km (0.099 R)
• M2: 539,001 km (0.11 R)
• M3: 1,025,793 km (0.115 R)
• M4: 1,475,035 km (0.072 R)
• M5: 1,916,498 km (0.119 R)
• M6: 2,787,158 km (0.088 R)
• M7: 3,946,392 km (0.077 R)
• M8: 4,601,032 km (0.115 R)
• M9: 8,136,778 km (0.118 R)
• M10: 8,727,839 km (0.106 R)
• M11: 9,347,324 km (0.105 R)
• M12: 10,113,414 km (0.112 R)
• M13: 13,222,208 km (0.116 R)
• M14: 13,796,065 km (0.104 R)
• M15: 15,096,520 km (0.116 R)
• M16: 15,936,362 km (0.086 R)
• M17: 16,367,952 km (0.077 R)
• M18: 17,310,867 km (0.118 R)
• M19: 18,348,328 km (0.071 R)
• M20: 18,762,864 km (0.083 R)
• M21: 19,549,151 km (0.089 R)
• M22: 20,044,020 km (0.1 R)
• M23: 20,929,939 km (0.068 R)
• M24: 22,307,586 km (0.119 R)
• M25: 22,780,016 km (0.079 R)

Asteroid Belt

Center: 4.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.2

Radius: 5.7

Gravity: 27.95 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.54 AU - 6.62 AU

Year: 11651 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,862,183 km

• M1: 72,106 km (0.117 R)
• M2: 267,481 km (0.084 R)
• M3: 543,788 km (0.115 R)
• M4: 865,872 km (0.117 R)
• M5: 1,908,420 km (0.097 R)
• M6: 2,462,082 km (0.053 R)
• M7: 2,742,727 km (0.032 R)
• M8: 3,317,034 km (0.116 R)
• M9: 4,798,352 km (0.068 R)
• M10: 5,702,222 km (0.114 R)
• M11: 6,714,401 km (0.119 R)
• M12: 7,006,117 km (0.09 R)
• M13: 7,978,802 km (0.094 R)
• M14: 8,642,718 km (0.098 R)
• M15: 9,088,519 km (0.053 R)
• M16: 10,912,117 km (0.041 R)
• M17: 12,712,229 km (0.083 R)
• M18: 14,911,018 km (0.114 R)
• M19: 15,122,699 km (0.067 R)
• M20: 16,585,318 km (0.09 R)
• M21: 16,812,557 km (0.076 R)
• M22: 17,350,959 km (0.114 R)
• M23: 18,300,457 km (0.083 R)
• M24: 18,952,554 km (0.12 R)
• M25: 22,446,413 km (0.073 R)
• M26: 22,631,465 km (0.043 R)
• M27: 24,736,307 km (0.112 R)
• M28: 26,141,630 km (0.063 R)
• M29: 26,968,158 km (0.03 R)
• M30: 29,110,399 km (0.107 R)
• M31: 29,552,012 km (0.116 R)
• M32: 31,711,158 km (0.065 R)
• M33: 33,488,231 km (0.102 R)
• M34: 34,709,249 km (0.08 R)
• M35: 38,815,561 km (0.102 R)
• M36: 40,298,674 km (0.075 R)
• M37: 50,790,871 km (0.048 R)
• M38: 52,726,966 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.3

Radius: 5.6

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 8.97 AU - 9.57 AU

Year: 19482 Days

Day: 15 Hours

Environment

Temp: -241 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,862,183 km

• M1: 70,311 km (0.095 R)
• M2: 265,237 km (0.096 R)
• M3: 778,807 km (0.106 R)
• M4: 1,162,824 km (0.113 R)
• M5: 1,557,463 km (0.09 R)
• M6: 1,844,691 km (0.117 R)
• M7: 6,041,660 km (0.079 R)
• M8: 6,999,684 km (0.113 R)
• M9: 7,603,162 km (0.093 R)
• M10: 12,336,888 km (0.116 R)
• M11: 14,749,153 km (0.085 R)
• M12: 17,458,520 km (0.071 R)
• M13: 20,655,128 km (0.067 R)
• M14: 25,296,551 km (0.074 R)
• M15: 26,710,849 km (0.088 R)
• M16: 29,147,350 km (0.073 R)
• M17: 37,726,189 km (0.082 R)
• M18: 39,837,315 km (0.103 R)
• M19: 45,898,572 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 15,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit