🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.5

Radius: 8.7

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.74 AU - 1 AU

Year: 560 Days

Day: 11.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,896,524 km

• M1: 108,159 km (0.027 R)
• M2: 403,765 km (0.107 R)
• M3: 767,437 km (0.109 R)
• M4: 1,082,191 km (0.113 R)
• M5: 1,383,481 km (0.056 R)
• M6: 1,956,291 km (0.072 R)
• M7: 2,430,816 km (0.094 R)
• M8: 2,724,028 km (0.097 R)
• M9: 3,596,632 km (0.025 R)
• M10: 4,218,510 km (0.081 R)
• M11: 4,644,565 km (0.11 R)
• M12: 5,064,337 km (0.073 R)
• M13: 7,219,743 km (0.088 R)
• M14: 7,509,514 km (0.101 R)
• M15: 7,783,876 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.3

Radius: 9.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.94 AU - 1.04 AU

Year: 680 Days

Day: 6.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 102.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,896,524 km

• M1: 114,442 km (0.095 R)
• M2: 432,039 km (0.085 R)
• M3: 732,880 km (0.104 R)
• M4: 1,186,461 km (0.102 R)
• M5: 1,475,783 km (0.075 R)
• M6: 2,165,579 km (0.098 R)
• M7: 2,464,775 km (0.064 R)
• M8: 2,911,025 km (0.116 R)
• M9: 3,325,261 km (0.092 R)
• M10: 3,687,139 km (0.041 R)
• M11: 4,358,833 km (0.04 R)
• M12: 4,902,621 km (0.059 R)
• M13: 5,191,196 km (0.109 R)
• M14: 5,873,362 km (0.106 R)
• M15: 6,217,736 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.1

Radius: 14.9

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.06 AU - 3.22 AU

Year: 2961 Days

Day: 12.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,896,524 km

• M1: 185,352 km (0.063 R)
• M2: 692,189 km (0.117 R)
• M3: 1,526,945 km (0.073 R)
• M4: 2,032,885 km (0.097 R)
• M5: 3,124,202 km (0.082 R)
• M6: 3,939,062 km (0.119 R)
• M7: 5,879,496 km (0.114 R)
• M8: 8,278,297 km (0.083 R)
• M9: 12,335,990 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.6

Radius: 8.8

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.73 AU - 4.55 AU

Year: 4794 Days

Day: 14.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,896,524 km

• M1: 112,647 km (0.089 R)
• M2: 397,182 km (0.114 R)
• M3: 807,529 km (0.107 R)
• M4: 1,111,063 km (0.118 R)
• M5: 1,386,323 km (0.05 R)
• M6: 1,880,744 km (0.067 R)
• M7: 2,796,583 km (0.099 R)
• M8: 3,669,785 km (0.09 R)
• M9: 4,225,392 km (0.102 R)
• M10: 5,035,315 km (0.032 R)
• M11: 5,666,767 km (0.11 R)
• M12: 7,087,199 km (0.082 R)
• M13: 8,369,253 km (0.059 R)
• M14: 9,759,915 km (0.061 R)
• M15: 10,656,455 km (0.083 R)
• M16: 11,966,184 km (0.113 R)
• M17: 13,675,639 km (0.071 R)
• M18: 16,089,251 km (0.053 R)
• M19: 16,367,653 km (0.084 R)
• M20: 17,222,156 km (0.077 R)
• M21: 19,020,023 km (0.091 R)
• M22: 21,071,907 km (0.042 R)
• M23: 22,082,740 km (0.047 R)
• M24: 24,273,900 km (0.118 R)
• M25: 24,714,167 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.8

Radius: 13

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.92 AU - 5.84 AU

Year: 7441 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,896,524 km

• M1: 161,715 km (0.1 R)
• M2: 663,766 km (0.057 R)
• M3: 1,078,301 km (0.102 R)
• M4: 1,636,152 km (0.116 R)
• M5: 2,417,651 km (0.031 R)
• M6: 2,924,040 km (0.091 R)
• M7: 3,864,113 km (0.082 R)
• M8: 4,587,718 km (0.12 R)
• M9: 5,166,811 km (0.1 R)
• M10: 7,383,852 km (0.038 R)
• M11: 7,947,836 km (0.042 R)
• M12: 10,312,080 km (0.094 R)
• M13: 10,731,702 km (0.102 R)
• M14: 11,309,001 km (0.047 R)
• M15: 13,004,094 km (0.105 R)
• M16: 13,772,279 km (0.1 R)
• M17: 15,279,029 km (0.07 R)
• M18: 16,828,863 km (0.051 R)
• M19: 17,675,138 km (0.104 R)
• M20: 18,142,332 km (0.087 R)
• M21: 20,239,246 km (0.118 R)
• M22: 21,047,224 km (0.084 R)
• M23: 21,572,462 km (0.115 R)
• M24: 23,440,042 km (0.05 R)
• M25: 24,743,488 km (0.06 R)
• M26: 25,497,611 km (0.12 R)
• M27: 26,876,155 km (0.091 R)
• M28: 34,730,642 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.5

Radius: 7.7

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.93 AU - 7.51 AU

Year: 12024 Days

Day: 24.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,896,524 km

• M1: 95,743 km (0.08 R)
• M2: 425,606 km (0.106 R)
• M3: 713,133 km (0.073 R)
• M4: 1,581,848 km (0.094 R)
• M5: 3,025,019 km (0.092 R)
• M6: 3,642,559 km (0.079 R)
• M7: 4,178,867 km (0.112 R)
• M8: 5,004,647 km (0.059 R)
• M9: 11,767,668 km (0.036 R)
• M10: 14,179,485 km (0.096 R)
• M11: 15,696,257 km (0.104 R)
• M12: 25,466,644 km (0.075 R)
• M13: 29,956,824 km (0.106 R)
• M14: 36,076,723 km (0.047 R)
• M15: 39,853,022 km (0.106 R)
• M16: 41,334,490 km (0.114 R)
• M17: 42,215,472 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.1

Radius: 4.6

Gravity: 18.01 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.54 AU - 8.3 AU

Year: 13951 Days

Day: 23.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,896,524 km

• M1: 57,296 km (0.096 R)
• M2: 223,200 km (0.08 R)
• M3: 378,632 km (0.048 R)
• M4: 525,687 km (0.069 R)
• M5: 771,476 km (0.093 R)
• M6: 1,713,943 km (0.109 R)
• M7: 1,955,693 km (0.075 R)
• M8: 2,313,082 km (0.096 R)
• M9: 3,064,213 km (0.066 R)
• M10: 3,884,907 km (0.082 R)
• M11: 5,194,337 km (0.086 R)
• M12: 9,403,872 km (0.088 R)
• M13: 11,718,001 km (0.098 R)
• M14: 15,110,582 km (0.099 R)
• M15: 15,448,224 km (0.102 R)
• M16: 23,388,580 km (0.09 R)
• M17: 24,574,741 km (0.102 R)
• M18: 25,800,247 km (0.089 R)
• M19: 26,379,490 km (0.089 R)
• M20: 29,406,154 km (0.086 R)
• M21: 30,357,298 km (0.115 R)
• M22: 32,656,318 km (0.109 R)
• M23: 32,993,960 km (0.103 R)
• M24: 34,020,800 km (0.067 R)
• M25: 48,342,552 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.6

Radius: 4.7

Gravity: 31.4 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.8 AU - 9.48 AU

Year: 17530 Days

Day: 15.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,896,524 km

• M1: 58,942 km (0.051 R)
• M2: 215,571 km (0.094 R)
• M3: 372,499 km (0.086 R)
• M4: 792,869 km (0.055 R)
• M5: 1,061,696 km (0.104 R)
• M6: 1,404,275 km (0.057 R)
• M7: 2,349,584 km (0.101 R)
• M8: 4,017,451 km (0.111 R)
• M9: 4,466,544 km (0.106 R)
• M10: 5,695,490 km (0.063 R)
• M11: 9,664,621 km (0.11 R)
• M12: 12,011,512 km (0.106 R)
• M13: 12,469,431 km (0.099 R)
• M14: 13,420,275 km (0.076 R)
• M15: 17,541,547 km (0.087 R)
• M16: 19,437,850 km (0.081 R)
• M17: 21,849,966 km (0.051 R)
• M18: 22,531,833 km (0.068 R)
• M19: 22,828,485 km (0.098 R)
• M20: 30,994,285 km (0.061 R)
• M21: 31,978,938 km (0.105 R)
• M22: 35,322,900 km (0.077 R)
• M23: 36,396,863 km (0.09 R)
• M24: 45,154,621 km (0.069 R)
• M25: 47,869,224 km (0.066 R)
• M26: 48,032,136 km (0.094 R)
• M27: 49,349,495 km (0.108 R)
• M28: 58,876,935 km (0.113 R)
• M29: 64,267,544 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.2

Radius: 5.9

Gravity: 16.95 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.19 AU - 11.63 AU

Year: 23184 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,896,524 km

• M1: 74,949 km (0.072 R)
• M2: 425,456 km (0.109 R)
• M3: 1,825,692 km (0.093 R)
• M4: 2,040,365 km (0.098 R)
• M5: 2,315,925 km (0.056 R)
• M6: 3,379,715 km (0.098 R)
• M7: 3,705,240 km (0.105 R)
• M8: 4,019,096 km (0.108 R)
• M9: 7,298,880 km (0.052 R)
• M10: 9,236,322 km (0.101 R)
• M11: 10,414,854 km (0.086 R)
• M12: 13,499,413 km (0.088 R)
• M13: 21,893,798 km (0.094 R)
• M14: 25,955,380 km (0.111 R)
• M15: 31,381,893 km (0.097 R)
• M16: 35,809,990 km (0.086 R)
• M17: 37,373,886 km (0.098 R)
• M18: 39,429,361 km (0.116 R)
• M19: 45,058,579 km (0.112 R)
• M20: 48,749,608 km (0.104 R)
• M21: 50,668,500 km (0.088 R)
• M22: 52,637,208 km (0.051 R)
• M23: 56,917,203 km (0.092 R)
• M24: 69,379,902 km (0.115 R)
• M25: 77,525,656 km (0.11 R)
• M26: 79,180,208 km (0.063 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: 254 - 15,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit