🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.53 AU - 0.61 AU

Year: 278 Days

Day: 39.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,380,066 km

• M1: 140,173 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.1

Radius: 9.2

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.59 AU - 0.97 AU

Year: 445 Days

Day: 6.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,380,066 km

• M1: 114,891 km (0.119 R)
• M2: 422,016 km (0.086 R)
• M3: 716,125 km (0.119 R)
• M4: 1,036,564 km (0.047 R)
• M5: 1,403,976 km (0.108 R)
• M6: 1,746,705 km (0.114 R)
• M7: 2,380,401 km (0.037 R)
• M8: 2,955,904 km (0.072 R)
• M9: 3,706,736 km (0.114 R)
• M10: 4,342,377 km (0.056 R)
• M11: 5,079,297 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 10.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.31 AU - 1.51 AU

Year: 1081 Days

Day: 13.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,380,066 km

• M1: 133,142 km (0.114 R)
• M2: 513,869 km (0.036 R)
• M3: 915,240 km (0.114 R)
• M4: 1,503,309 km (0.045 R)
• M5: 1,935,946 km (0.052 R)
• M6: 2,357,812 km (0.112 R)
• M7: 2,726,870 km (0.115 R)
• M8: 3,248,518 km (0.091 R)
• M9: 5,223,060 km (0.12 R)
• M10: 5,718,528 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.5

Radius: 13.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.25 AU - 1.77 AU

Year: 1198 Days

Day: 5 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,380,066 km

• M1: 172,935 km (0.053 R)
• M2: 734,974 km (0.076 R)
• M3: 1,856,210 km (0.088 R)
• M4: 2,962,636 km (0.082 R)
• M5: 3,634,331 km (0.082 R)
• M6: 5,085,729 km (0.044 R)
• M7: 6,464,573 km (0.071 R)
• M8: 8,453,327 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.6

Radius: 11.9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.36 AU - 1.78 AU

Year: 1270 Days

Day: 9.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,380,066 km

• M1: 147,952 km (0.112 R)
• M2: 633,846 km (0.119 R)
• M3: 1,034,469 km (0.116 R)
• M4: 1,807,441 km (0.115 R)
• M5: 2,310,838 km (0.105 R)
• M6: 3,234,904 km (0.036 R)
• M7: 3,966,588 km (0.039 R)
• M8: 4,805,682 km (0.079 R)
• M9: 5,456,582 km (0.066 R)
• M10: 6,258,427 km (0.11 R)
• M11: 8,491,474 km (0.058 R)
• M12: 8,870,256 km (0.116 R)
• M13: 9,290,776 km (0.092 R)
• M14: 11,668,185 km (0.09 R)
• M15: 12,543,632 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.3

Radius: 8.9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.67 AU - 3.13 AU

Year: 3189 Days

Day: 9.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,380,066 km

• M1: 113,096 km (0.095 R)
• M2: 402,269 km (0.079 R)
• M3: 809,324 km (0.087 R)
• M4: 1,184,067 km (0.106 R)
• M5: 1,634,058 km (0.036 R)
• M6: 2,078,064 km (0.111 R)
• M7: 3,224,283 km (0.092 R)
• M8: 3,837,634 km (0.04 R)
• M9: 4,448,442 km (0.027 R)
• M10: 4,787,581 km (0.092 R)
• M11: 6,149,370 km (0.074 R)
• M12: 6,495,390 km (0.058 R)
• M13: 9,650,559 km (0.098 R)
• M14: 10,884,442 km (0.115 R)
• M15: 13,251,230 km (0.081 R)
• M16: 14,381,741 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.6

Radius: 10.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.46 AU - 6.1 AU

Year: 7834 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,380,066 km

• M1: 141,520 km (0.027 R)
• M2: 774,618 km (0.085 R)
• M3: 1,778,719 km (0.083 R)
• M4: 2,505,465 km (0.092 R)
• M5: 3,187,183 km (0.086 R)
• M6: 3,629,843 km (0.102 R)
• M7: 4,131,295 km (0.108 R)
• M8: 6,129,025 km (0.054 R)
• M9: 7,100,364 km (0.071 R)
• M10: 7,473,162 km (0.09 R)
• M11: 9,860,594 km (0.109 R)
• M12: 10,258,076 km (0.043 R)
• M13: 10,804,706 km (0.113 R)
• M14: 12,911,493 km (0.05 R)
• M15: 13,387,663 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.4

Radius: 3.4

Gravity: 32.47 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.47 AU - 9.13 AU

Year: 14066 Days

Day: 22.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,380,066 km

• M1: 44,730 km (0.095 R)
• M2: 152,889 km (0.037 R)
• M3: 263,292 km (0.084 R)
• M4: 680,820 km (0.114 R)
• M5: 810,970 km (0.101 R)
• M6: 927,208 km (0.052 R)
• M7: 1,043,296 km (0.102 R)
• M8: 1,181,225 km (0.084 R)
• M9: 1,654,403 km (0.12 R)
• M10: 1,762,562 km (0.116 R)
• M11: 1,891,964 km (0.111 R)
• M12: 3,609,797 km (0.051 R)
• M13: 3,845,862 km (0.074 R)
• M14: 5,248,791 km (0.112 R)
• M15: 5,901,786 km (0.108 R)
• M16: 7,919,412 km (0.119 R)
• M17: 9,741,514 km (0.101 R)
• M18: 10,616,512 km (0.113 R)
• M19: 10,937,400 km (0.092 R)
• M20: 12,286,174 km (0.108 R)
• M21: 12,580,433 km (0.101 R)
• M22: 17,577,301 km (0.119 R)
• M23: 22,416,343 km (0.117 R)
• M24: 26,383,380 km (0.086 R)
• M25: 31,555,128 km (0.095 R)
• M26: 36,631,283 km (0.109 R)
• M27: 36,996,002 km (0.064 R)
• M28: 44,668,727 km (0.108 R)
• M29: 46,207,491 km (0.105 R)
• M30: 49,242,383 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.6

Radius: 3.8

Gravity: 46.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.97 AU - 10.37 AU

Year: 16483 Days

Day: 17.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,380,066 km

• M1: 77,492 km (0.056 R)
• M2: 318,943 km (0.112 R)
• M3: 627,114 km (0.091 R)
• M4: 1,503,459 km (0.062 R)
• M5: 2,200,585 km (0.067 R)
• M6: 3,326,159 km (0.115 R)
• M7: 3,629,843 km (0.12 R)
• M8: 6,545,954 km (0.086 R)
• M9: 7,756,051 km (0.085 R)
• M10: 10,667,375 km (0.115 R)
• M11: 11,204,282 km (0.096 R)
• M12: 11,947,784 km (0.06 R)
• M13: 13,259,158 km (0.12 R)
• M14: 15,103,551 km (0.117 R)
• M15: 19,554,386 km (0.099 R)
• M16: 20,357,129 km (0.11 R)
• M17: 28,143,548 km (0.107 R)
• M18: 38,388,310 km (0.081 R)
• M19: 40,927,883 km (0.109 R)
• M20: 41,944,999 km (0.114 R)
• M21: 44,485,021 km (0.085 R)
• M22: 48,727,018 km (0.093 R)
• M23: 52,037,470 km (0.074 R)
• M24: 62,288,215 km (0.1 R)
• M25: 62,670,438 km (0.105 R)
• M26: 63,246,838 km (0.092 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 12,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit