🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.77 AU - 1.27 AU

Year: 386 Days

Day: 47.3 Hours

Environment

Temp: 6 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.56 AU - 1.96 AU

Year: 875 Days

Day: 42.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.8

Radius: 14.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.77 AU - 7.37 AU

Year: 7045 Days

Day: 8.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,531,654 km

• M1: 185,501 km (0.102 R)
• M2: 745,446 km (0.042 R)
• M3: 1,210,845 km (0.104 R)
• M4: 2,284,210 km (0.082 R)
• M5: 3,165,042 km (0.086 R)
• M6: 4,666,107 km (0.084 R)
• M7: 5,193,589 km (0.092 R)
• M8: 8,423,856 km (0.082 R)
• M9: 9,210,292 km (0.071 R)
• M10: 10,360,999 km (0.101 R)
• M11: 10,971,508 km (0.085 R)
• M12: 11,692,121 km (0.104 R)
• M13: 13,656,939 km (0.079 R)
• M14: 19,366,641 km (0.095 R)
• M15: 21,577,698 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.7

Radius: 4.5

Gravity: 43.24 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 10.85 AU - 16.49 AU

Year: 18940 Days

Day: 21.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,531,654 km

• M1: 170,841 km (0.083 R)
• M2: 388,057 km (0.095 R)
• M3: 846,874 km (0.101 R)
• M4: 999,164 km (0.092 R)
• M5: 1,375,552 km (0.113 R)
• M6: 1,622,389 km (0.1 R)
• M7: 1,917,695 km (0.097 R)
• M8: 5,111,011 km (0.045 R)
• M9: 7,068,649 km (0.112 R)
• M10: 7,356,176 km (0.076 R)
• M11: 9,475,978 km (0.063 R)
• M12: 10,612,323 km (0.086 R)
• M13: 11,571,395 km (0.035 R)
• M14: 11,836,632 km (0.12 R)
• M15: 15,906,442 km (0.113 R)
• M16: 19,022,117 km (0.118 R)
• M17: 25,522,594 km (0.08 R)
• M18: 29,635,488 km (0.117 R)
• M19: 39,292,030 km (0.106 R)
• M20: 47,055,113 km (0.069 R)
• M21: 49,970,326 km (0.078 R)
• M22: 52,640,499 km (0.115 R)
• M23: 59,434,037 km (0.104 R)
• M24: 65,104,694 km (0.107 R)
• M25: 72,686,464 km (0.091 R)
• M26: 77,976,394 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140

Radius: 7.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 11.45 AU - 17.65 AU

Year: 20798 Days

Day: 16.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,531,654 km

• M1: 90,806 km (0.092 R)
• M2: 540,796 km (0.104 R)
• M3: 834,307 km (0.102 R)
• M4: 1,553,275 km (0.105 R)
• M5: 2,531,346 km (0.073 R)
• M6: 3,186,135 km (0.033 R)
• M7: 4,082,376 km (0.036 R)
• M8: 4,707,097 km (0.077 R)
• M9: 5,829,979 km (0.101 R)
• M10: 6,289,244 km (0.049 R)
• M11: 6,583,802 km (0.118 R)
• M12: 8,371,796 km (0.108 R)
• M13: 11,516,642 km (0.092 R)
• M14: 12,468,384 km (0.075 R)
• M15: 14,023,753 km (0.102 R)
• M16: 15,371,181 km (0.119 R)
• M17: 19,075,524 km (0.069 R)
• M18: 19,850,291 km (0.082 R)
• M19: 25,684,608 km (0.113 R)
• M20: 27,891,027 km (0.115 R)
• M21: 28,386,794 km (0.116 R)
• M22: 29,703,405 km (0.054 R)
• M23: 33,449,934 km (0.092 R)
• M24: 34,348,569 km (0.1 R)
• M25: 34,575,658 km (0.1 R)
• M26: 41,864,964 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968

Radius: 5.8

Gravity: 28.78 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 14.83 AU - 18.73 AU

Year: 25758 Days

Day: 18.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,531,654 km

• M1: 72,106 km (0.087 R)
• M2: 367,412 km (0.036 R)
• M3: 868,116 km (0.116 R)
• M4: 1,207,404 km (0.041 R)
• M5: 1,930,561 km (0.11 R)
• M6: 2,854,028 km (0.05 R)
• M7: 3,139,760 km (0.113 R)
• M8: 3,835,390 km (0.047 R)
• M9: 5,398,389 km (0.12 R)
• M10: 5,702,222 km (0.063 R)
• M11: 6,202,777 km (0.047 R)
• M12: 6,831,536 km (0.117 R)
• M13: 8,385,858 km (0.089 R)
• M14: 9,153,744 km (0.112 R)
• M15: 12,926,004 km (0.117 R)
• M16: 14,771,144 km (0.1 R)
• M17: 16,332,348 km (0.106 R)
• M18: 20,189,280 km (0.082 R)
• M19: 20,815,796 km (0.045 R)
• M20: 23,110,627 km (0.087 R)
• M21: 23,911,424 km (0.044 R)
• M22: 25,811,467 km (0.066 R)
• M23: 27,174,603 km (0.107 R)
• M24: 30,178,528 km (0.056 R)
• M25: 31,134,907 km (0.094 R)
• M26: 37,770,919 km (0.084 R)
• M27: 43,713,096 km (0.117 R)
• M28: 50,249,177 km (0.105 R)
• M29: 61,228,314 km (0.037 R)
• M30: 64,314,967 km (0.113 R)
• M31: 70,796,295 km (0.099 R)
• M32: 73,212,749 km (0.096 R)
• M33: 73,702,533 km (0.111 R)
• M34: 85,579,257 km (0.12 R)
• M35: 86,122,746 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.4

Radius: 5.4

Gravity: 18.74 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 16.71 AU - 16.85 AU

Year: 25758 Days

Day: 17.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,531,654 km

• M1: 69,413 km (0.108 R)
• M2: 390,151 km (0.033 R)
• M3: 587,172 km (0.082 R)
• M4: 1,551,180 km (0.085 R)
• M5: 1,765,404 km (0.11 R)
• M6: 2,482,128 km (0.032 R)
• M7: 2,802,118 km (0.046 R)
• M8: 4,683,311 km (0.109 R)
• M9: 4,904,865 km (0.111 R)
• M10: 7,622,311 km (0.079 R)
• M11: 8,033,406 km (0.12 R)
• M12: 15,934,567 km (0.055 R)
• M13: 16,691,382 km (0.117 R)
• M14: 19,011,945 km (0.088 R)
• M15: 24,834,443 km (0.075 R)
• M16: 26,894,256 km (0.052 R)
• M17: 36,561,570 km (0.05 R)
• M18: 37,875,339 km (0.095 R)
• M19: 38,918,634 km (0.025 R)
• M20: 40,441,989 km (0.088 R)
• M21: 51,869,471 km (0.104 R)
• M22: 58,117,277 km (0.073 R)
• M23: 75,304,427 km (0.111 R)
• M24: 75,538,398 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 18,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit