🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.65 AU - 1.07 AU

Year: 300 Days

Day: 25 Hours

Environment

Temp: 27 °C

Axial Tilt: 28.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.83 AU - 1.15 AU

Year: 371 Days

Day: 15.6 Hours

Environment

Temp: 27 °C

Axial Tilt: 18.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.4 AU - 2.8 AU

Year: 1579 Days

Day: 39.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.4

Radius: 13

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.18 AU - 6.68 AU

Year: 4767 Days

Day: 10.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,773,288 km

• M1: 161,715 km (0.081 R)
• M2: 610,808 km (0.062 R)
• M3: 1,399,937 km (0.113 R)
• M4: 2,204,325 km (0.081 R)
• M5: 3,316,435 km (0.057 R)
• M6: 4,275,208 km (0.061 R)
• M7: 5,309,079 km (0.114 R)
• M8: 5,777,619 km (0.101 R)
• M9: 6,189,014 km (0.1 R)
• M10: 7,163,943 km (0.09 R)
• M11: 8,445,099 km (0.067 R)
• M12: 8,940,567 km (0.086 R)
• M13: 13,018,456 km (0.043 R)
• M14: 16,888,552 km (0.12 R)
• M15: 19,570,992 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.5

Radius: 13.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.67 AU - 5.81 AU

Year: 5181 Days

Day: 10.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,773,288 km

• M1: 162,912 km (0.079 R)
• M2: 691,890 km (0.033 R)
• M3: 1,124,826 km (0.103 R)
• M4: 1,647,821 km (0.115 R)
• M5: 2,152,564 km (0.083 R)
• M6: 2,708,170 km (0.119 R)
• M7: 3,754,458 km (0.034 R)
• M8: 4,922,368 km (0.105 R)
• M9: 5,520,012 km (0.102 R)
• M10: 7,468,973 km (0.079 R)
• M11: 9,306,484 km (0.117 R)
• M12: 9,925,071 km (0.049 R)
• M13: 11,198,747 km (0.117 R)
• M14: 11,709,474 km (0.034 R)
• M15: 13,751,485 km (0.049 R)
• M16: 14,609,578 km (0.074 R)
• M17: 16,255,305 km (0.078 R)
• M18: 17,398,681 km (0.111 R)
• M19: 23,402,792 km (0.12 R)
• M20: 26,867,778 km (0.099 R)
• M21: 27,282,014 km (0.101 R)
• M22: 28,550,305 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.8

Radius: 9.1

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.59 AU - 8.95 AU

Year: 8159 Days

Day: 5.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,773,288 km

• M1: 113,246 km (0.059 R)
• M2: 727,195 km (0.115 R)
• M3: 1,298,210 km (0.059 R)
• M4: 3,064,961 km (0.038 R)
• M5: 3,476,804 km (0.078 R)
• M6: 3,999,649 km (0.091 R)
• M7: 4,306,324 km (0.115 R)
• M8: 5,383,130 km (0.089 R)
• M9: 5,726,008 km (0.109 R)
• M10: 6,116,608 km (0.094 R)
• M11: 6,915,311 km (0.12 R)
• M12: 8,059,585 km (0.106 R)
• M13: 8,634,789 km (0.104 R)
• M14: 10,718,987 km (0.113 R)
• M15: 11,364,202 km (0.043 R)
• M16: 15,353,080 km (0.119 R)
• M17: 16,888,702 km (0.062 R)
• M18: 18,244,657 km (0.12 R)
• M19: 19,671,671 km (0.025 R)
• M20: 20,039,682 km (0.093 R)
• M21: 20,337,531 km (0.089 R)
• M22: 21,949,598 km (0.065 R)
• M23: 22,746,506 km (0.088 R)
• M24: 23,152,066 km (0.1 R)
• M25: 23,479,984 km (0.082 R)
• M26: 25,600,534 km (0.047 R)
• M27: 26,216,428 km (0.061 R)
• M28: 26,842,196 km (0.12 R)
• M29: 28,216,552 km (0.108 R)
• M30: 29,541,092 km (0.062 R)
• M31: 32,826,410 km (0.114 R)
• M32: 34,931,701 km (0.114 R)
• M33: 36,347,495 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.9

Radius: 10.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.71 AU - 8.53 AU

Year: 8717 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,773,288 km

• M1: 134,339 km (0.103 R)
• M2: 479,611 km (0.094 R)
• M3: 2,054,876 km (0.115 R)
• M4: 2,983,580 km (0.11 R)
• M5: 4,062,031 km (0.087 R)
• M6: 4,897,834 km (0.04 R)
• M7: 11,617,023 km (0.082 R)
• M8: 17,349,463 km (0.109 R)
• M9: 19,093,775 km (0.108 R)
• M10: 20,104,757 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.7

Radius: 11

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.11 AU - 11.55 AU

Year: 10736 Days

Day: 10.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,773,288 km

• M1: 136,882 km (0.086 R)
• M2: 594,652 km (0.072 R)
• M3: 1,041,500 km (0.101 R)
• M4: 1,521,261 km (0.088 R)
• M5: 1,954,047 km (0.102 R)
• M6: 2,488,710 km (0.104 R)
• M7: 3,119,265 km (0.119 R)
• M8: 4,305,726 km (0.089 R)
• M9: 5,558,758 km (0.106 R)
• M10: 6,837,221 km (0.089 R)
• M11: 7,206,279 km (0.095 R)
• M12: 8,675,480 km (0.072 R)
• M13: 10,658,399 km (0.115 R)
• M14: 13,239,262 km (0.112 R)
• M15: 15,014,839 km (0.115 R)
• M16: 18,475,487 km (0.103 R)
• M17: 19,356,169 km (0.095 R)
• M18: 20,602,020 km (0.116 R)
• M19: 21,900,530 km (0.108 R)
• M20: 22,255,825 km (0.061 R)
• M21: 24,279,435 km (0.078 R)
• M22: 25,335,895 km (0.113 R)
• M23: 31,985,072 km (0.098 R)
• M24: 33,371,395 km (0.1 R)
• M25: 38,668,058 km (0.117 R)
• M26: 39,975,543 km (0.044 R)
• M27: 40,908,286 km (0.044 R)
• M28: 42,540,698 km (0.118 R)
• M29: 49,050,150 km (0.08 R)
• M30: 50,581,733 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.8

Radius: 4.6

Gravity: 29.1 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 14.55 AU - 20.85 AU

Year: 28053 Days

Day: 24.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,773,288 km

• M1: 57,146 km (0.106 R)
• M2: 232,475 km (0.118 R)
• M3: 399,726 km (0.034 R)
• M4: 896,690 km (0.092 R)
• M5: 1,132,905 km (0.061 R)
• M6: 1,281,455 km (0.066 R)
• M7: 1,426,266 km (0.113 R)
• M8: 2,054,428 km (0.118 R)
• M9: 2,276,880 km (0.087 R)
• M10: 3,735,758 km (0.118 R)
• M11: 5,854,812 km (0.081 R)
• M12: 6,076,067 km (0.069 R)
• M13: 7,522,828 km (0.094 R)
• M14: 8,549,369 km (0.119 R)
• M15: 8,892,097 km (0.039 R)
• M16: 10,227,408 km (0.084 R)
• M17: 12,545,277 km (0.07 R)
• M18: 16,998,208 km (0.087 R)
• M19: 18,657,398 km (0.07 R)
• M20: 20,624,161 km (0.053 R)
• M21: 21,448,146 km (0.109 R)
• M22: 29,357,086 km (0.11 R)
• M23: 33,110,347 km (0.1 R)
• M24: 37,020,686 km (0.12 R)
• M25: 37,473,369 km (0.037 R)
• M26: 37,625,061 km (0.073 R)
• M27: 41,877,082 km (0.109 R)
• M28: 49,110,288 km (0.059 R)
• M29: 50,947,350 km (0.098 R)
• M30: 54,757,757 km (0.071 R)
• M31: 57,737,149 km (0.066 R)
• M32: 73,076,316 km (0.1 R)
• M33: 78,157,707 km (0.073 R)
• M34: 80,153,791 km (0.068 R)
• M35: 87,941,707 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.8

Radius: 6.1

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 17.24 AU - 21.42 AU

Year: 32017 Days

Day: 15.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,773,288 km

• M1: 77,492 km (0.101 R)
• M2: 295,306 km (0.092 R)
• M3: 568,322 km (0.106 R)
• M4: 981,811 km (0.117 R)
• M5: 1,613,563 km (0.092 R)
• M6: 2,778,032 km (0.113 R)
• M7: 3,038,632 km (0.099 R)
• M8: 4,384,115 km (0.114 R)
• M9: 7,976,259 km (0.082 R)
• M10: 9,396,242 km (0.062 R)
• M11: 9,746,451 km (0.076 R)
• M12: 10,044,899 km (0.055 R)
• M13: 14,889,326 km (0.084 R)
• M14: 17,899,535 km (0.113 R)
• M15: 19,925,988 km (0.079 R)
• M16: 21,292,265 km (0.114 R)
• M17: 22,719,728 km (0.081 R)
• M18: 23,456,946 km (0.094 R)
• M19: 24,210,022 km (0.05 R)
• M20: 29,439,963 km (0.082 R)
• M21: 30,951,949 km (0.087 R)
• M22: 33,181,556 km (0.097 R)
• M23: 35,096,408 km (0.115 R)
• M24: 36,365,447 km (0.114 R)
• M25: 43,332,669 km (0.082 R)
• M26: 49,018,884 km (0.094 R)
• M27: 51,858,999 km (0.077 R)
• M28: 56,321,654 km (0.103 R)
• M29: 59,633,302 km (0.094 R)
• M30: 63,072,407 km (0.06 R)
• M31: 66,427,738 km (0.097 R)
• M32: 75,565,176 km (0.108 R)
• M33: 76,264,845 km (0.094 R)
• M34: 76,498,966 km (0.077 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 12,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit