🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.42 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.9

Radius: 13.9

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.15 AU - 3.51 AU

Year: 3123 Days

Day: 10.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,292,790 km

• M1: 172,935 km (0.117 R)
• M2: 745,596 km (0.098 R)
• M3: 1,363,435 km (0.098 R)
• M4: 1,909,467 km (0.108 R)
• M5: 2,508,008 km (0.112 R)
• M6: 2,969,967 km (0.116 R)
• M7: 3,941,006 km (0.119 R)
• M8: 5,446,858 km (0.087 R)
• M9: 7,560,826 km (0.108 R)
• M10: 8,786,481 km (0.099 R)
• M11: 9,234,078 km (0.05 R)
• M12: 9,900,088 km (0.045 R)
• M13: 10,455,844 km (0.08 R)
• M14: 10,959,091 km (0.119 R)
• M15: 11,821,074 km (0.089 R)
• M16: 12,727,787 km (0.112 R)
• M17: 13,385,569 km (0.106 R)
• M18: 15,634,773 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.4

Radius: 13.3

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.13 AU - 3.13 AU

Year: 3633 Days

Day: 6.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,292,790 km

• M1: 165,904 km (0.093 R)
• M2: 584,030 km (0.112 R)
• M3: 1,106,575 km (0.1 R)
• M4: 2,046,050 km (0.105 R)
• M5: 2,607,042 km (0.115 R)
• M6: 3,144,098 km (0.039 R)
• M7: 3,616,080 km (0.104 R)
• M8: 4,912,944 km (0.117 R)
• M9: 5,483,809 km (0.073 R)
• M10: 6,001,268 km (0.105 R)
• M11: 6,733,101 km (0.117 R)
• M12: 7,552,000 km (0.054 R)
• M13: 8,405,755 km (0.103 R)
• M14: 9,554,068 km (0.072 R)
• M15: 10,027,844 km (0.066 R)
• M16: 10,768,204 km (0.108 R)
• M17: 12,397,624 km (0.066 R)
• M18: 14,893,665 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 14.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.45 AU - 3.55 AU

Year: 4295 Days

Day: 11.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,292,790 km

• M1: 181,612 km (0.093 R)
• M2: 643,271 km (0.041 R)
• M3: 1,216,380 km (0.025 R)
• M4: 4,012,364 km (0.064 R)
• M5: 5,239,516 km (0.105 R)
• M6: 7,532,103 km (0.096 R)
• M7: 8,394,086 km (0.099 R)
• M8: 9,864,932 km (0.103 R)
• M9: 10,858,113 km (0.073 R)
• M10: 15,159,500 km (0.053 R)
• M11: 15,659,307 km (0.066 R)
• M12: 16,273,556 km (0.073 R)
• M13: 16,957,068 km (0.081 R)
• M14: 19,825,607 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87

Radius: 8.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.98 AU - 6.28 AU

Year: 8763 Days

Day: 9.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,292,790 km

• M1: 110,702 km (0.037 R)
• M2: 437,574 km (0.072 R)
• M3: 1,579,903 km (0.065 R)
• M4: 2,205,970 km (0.062 R)
• M5: 2,538,526 km (0.097 R)
• M6: 3,379,117 km (0.102 R)
• M7: 7,013,597 km (0.077 R)
• M8: 8,304,776 km (0.092 R)
• M9: 10,975,846 km (0.1 R)
• M10: 12,170,984 km (0.104 R)
• M11: 13,076,350 km (0.101 R)
• M12: 16,873,443 km (0.058 R)
• M13: 18,933,256 km (0.076 R)
• M14: 19,777,736 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.9

Radius: 6.4

Gravity: 15.31 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.78 AU - 7.02 AU

Year: 9401 Days

Day: 15.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,292,790 km

• M1: 112,049 km (0.084 R)
• M2: 361,877 km (0.034 R)
• M3: 580,589 km (0.111 R)
• M4: 1,016,966 km (0.099 R)
• M5: 1,382,135 km (0.108 R)
• M6: 2,584,303 km (0.108 R)
• M7: 3,851,397 km (0.112 R)
• M8: 4,196,519 km (0.047 R)
• M9: 5,071,817 km (0.116 R)
• M10: 5,356,651 km (0.039 R)
• M11: 8,077,687 km (0.057 R)
• M12: 8,643,615 km (0.095 R)
• M13: 10,756,087 km (0.108 R)
• M14: 11,766,321 km (0.105 R)
• M15: 14,981,180 km (0.104 R)
• M16: 16,035,695 km (0.116 R)
• M17: 24,660,311 km (0.087 R)
• M18: 27,458,091 km (0.047 R)
• M19: 36,054,732 km (0.071 R)
• M20: 37,345,014 km (0.073 R)
• M21: 39,522,261 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.6

Radius: 4

Gravity: 41.35 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.52 AU - 6.68 AU

Year: 9883 Days

Day: 21.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 19,292,790 km

• M1: 55,950 km (0.086 R)
• M2: 323,580 km (0.076 R)
• M3: 628,610 km (0.115 R)
• M4: 894,296 km (0.111 R)
• M5: 1,171,501 km (0.081 R)
• M6: 1,995,037 km (0.108 R)
• M7: 2,506,512 km (0.111 R)
• M8: 3,479,646 km (0.069 R)
• M9: 6,352,823 km (0.089 R)
• M10: 6,501,673 km (0.119 R)
• M11: 7,527,017 km (0.085 R)
• M12: 8,165,201 km (0.108 R)
• M13: 8,385,709 km (0.117 R)
• M14: 8,931,142 km (0.097 R)
• M15: 9,118,140 km (0.111 R)
• M16: 9,355,402 km (0.097 R)
• M17: 10,193,449 km (0.094 R)
• M18: 12,017,496 km (0.115 R)
• M19: 13,985,307 km (0.032 R)
• M20: 14,174,099 km (0.108 R)
• M21: 16,575,444 km (0.116 R)
• M22: 18,772,887 km (0.12 R)
• M23: 18,925,926 km (0.057 R)
• M24: 21,157,028 km (0.098 R)
• M25: 22,507,448 km (0.045 R)
• M26: 22,940,983 km (0.094 R)
• M27: 24,004,175 km (0.107 R)
• M28: 27,488,459 km (0.109 R)
• M29: 29,608,560 km (0.029 R)
• M30: 30,444,064 km (0.05 R)
• M31: 36,499,188 km (0.07 R)
• M32: 37,459,456 km (0.063 R)
• M33: 43,576,663 km (0.083 R)
• M34: 44,114,617 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.9

Radius: 5.9

Gravity: 19.59 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.06 AU - 7.18 AU

Year: 9932 Days

Day: 24.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 19,292,790 km

• M1: 74,051 km (0.032 R)
• M2: 332,706 km (0.067 R)
• M3: 667,356 km (0.062 R)
• M4: 880,832 km (0.035 R)
• M5: 1,233,584 km (0.07 R)
• M6: 1,691,354 km (0.062 R)
• M7: 2,255,936 km (0.078 R)
• M8: 2,602,105 km (0.094 R)
• M9: 3,095,030 km (0.044 R)
• M10: 3,750,867 km (0.118 R)
• M11: 4,209,086 km (0.111 R)
• M12: 5,367,123 km (0.03 R)
• M13: 5,842,994 km (0.106 R)
• M14: 7,075,530 km (0.118 R)
• M15: 8,698,817 km (0.094 R)
• M16: 10,555,327 km (0.118 R)
• M17: 10,817,871 km (0.114 R)
• M18: 11,138,459 km (0.06 R)
• M19: 11,798,934 km (0.118 R)
• M20: 13,197,674 km (0.058 R)
• M21: 13,502,405 km (0.032 R)
• M22: 13,687,457 km (0.037 R)
• M23: 14,316,666 km (0.099 R)
• M24: 15,096,968 km (0.116 R)
• M25: 15,430,272 km (0.089 R)
• M26: 16,955,722 km (0.097 R)
• M27: 17,171,143 km (0.115 R)
• M28: 19,349,886 km (0.078 R)
• M29: 23,172,710 km (0.041 R)
• M30: 24,246,972 km (0.03 R)
• M31: 24,704,144 km (0.101 R)
• M32: 24,981,199 km (0.117 R)
• M33: 25,167,149 km (0.092 R)
• M34: 34,636,395 km (0.107 R)
• M35: 36,395,367 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.2

Radius: 4.6

Gravity: 24.21 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.53 AU - 6.79 AU

Year: 10030 Days

Day: 21.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,292,790 km

• M1: 67,020 km (0.035 R)
• M2: 286,480 km (0.112 R)
• M3: 448,943 km (0.096 R)
• M4: 1,086,380 km (0.093 R)
• M5: 1,392,158 km (0.112 R)
• M6: 1,814,024 km (0.116 R)
• M7: 2,316,373 km (0.056 R)
• M8: 4,993,128 km (0.077 R)
• M9: 5,499,068 km (0.102 R)
• M10: 9,273,871 km (0.053 R)
• M11: 9,554,966 km (0.049 R)
• M12: 10,482,921 km (0.052 R)
• M13: 15,507,315 km (0.118 R)
• M14: 27,747,563 km (0.094 R)
• M15: 33,298,092 km (0.108 R)
• M16: 36,796,289 km (0.115 R)
• M17: 41,535,250 km (0.081 R)
• M18: 42,170,742 km (0.095 R)

Asteroid Belt

Center: 6.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25

Radius: 6.8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.3 AU - 7.62 AU

Year: 13366 Days

Day: 21.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,292,790 km

• M1: 85,121 km (0.089 R)
• M2: 1,304,643 km (0.08 R)
• M3: 1,611,767 km (0.098 R)
• M4: 2,400,148 km (0.074 R)
• M5: 2,754,396 km (0.031 R)
• M6: 3,851,696 km (0.101 R)
• M7: 4,774,117 km (0.087 R)
• M8: 5,482,313 km (0.037 R)
• M9: 6,097,609 km (0.098 R)
• M10: 7,556,936 km (0.099 R)
• M11: 11,797,737 km (0.096 R)
• M12: 12,174,724 km (0.074 R)
• M13: 14,087,332 km (0.11 R)
• M14: 14,464,169 km (0.106 R)
• M15: 15,336,325 km (0.096 R)
• M16: 17,131,948 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 17,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit