🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.48 AU - 0.62 AU

Year: 259 Days

Day: 46.3 Hours

Environment

Temp: -117 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.49 AU - 0.73 AU

Year: 303 Days

Day: 31.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867

Radius: 14.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.86 AU - 1.42 AU

Year: 774 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,280,522 km

• M1: 180,415 km (0.034 R)
• M2: 687,103 km (0.106 R)
• M3: 1,234,033 km (0.098 R)
• M4: 1,750,744 km (0.072 R)
• M5: 2,307,697 km (0.082 R)
• M6: 2,920,898 km (0.116 R)
• M7: 3,430,279 km (0.067 R)
• M8: 4,170,938 km (0.057 R)
• M9: 4,838,444 km (0.069 R)
• M10: 5,557,262 km (0.082 R)
• M11: 6,075,319 km (0.093 R)
• M12: 6,691,214 km (0.105 R)
• M13: 7,278,684 km (0.059 R)
• M14: 8,428,344 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 13.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.52 AU - 1.56 AU

Year: 1215 Days

Day: 9.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,280,522 km

• M1: 172,187 km (0.065 R)
• M2: 760,107 km (0.053 R)
• M3: 1,497,026 km (0.116 R)
• M4: 2,205,821 km (0.025 R)
• M5: 2,788,654 km (0.108 R)
• M6: 3,870,247 km (0.109 R)
• M7: 6,297,023 km (0.037 R)
• M8: 7,774,003 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.7

Radius: 13.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.69 AU - 3.85 AU

Year: 4654 Days

Day: 10 Hours

Environment

Temp: -204 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,280,522 km

• M1: 173,683 km (0.116 R)
• M2: 625,618 km (0.115 R)
• M3: 1,441,525 km (0.076 R)
• M4: 1,910,066 km (0.072 R)
• M5: 2,685,431 km (0.109 R)
• M6: 3,470,820 km (0.11 R)
• M7: 4,404,909 km (0.075 R)
• M8: 6,938,200 km (0.06 R)
• M9: 7,636,373 km (0.073 R)
• M10: 12,049,211 km (0.108 R)
• M11: 12,955,924 km (0.098 R)
• M12: 15,714,060 km (0.077 R)
• M13: 16,189,182 km (0.118 R)
• M14: 17,608,866 km (0.103 R)
• M15: 18,776,627 km (0.103 R)
• M16: 20,624,310 km (0.102 R)
• M17: 21,122,621 km (0.107 R)
• M18: 22,366,078 km (0.083 R)
• M19: 22,967,911 km (0.088 R)
• M20: 23,812,989 km (0.114 R)
• M21: 24,519,839 km (0.086 R)
• M22: 25,079,185 km (0.085 R)
• M23: 28,178,704 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.3

Radius: 4.5

Gravity: 47.03 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.02 AU - 8.42 AU

Year: 13638 Days

Day: 18 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,280,522 km

• M1: 56,548 km (0.065 R)
• M2: 340,634 km (0.1 R)
• M3: 528,529 km (0.097 R)
• M4: 682,316 km (0.117 R)
• M5: 855,700 km (0.065 R)
• M6: 1,184,815 km (0.109 R)
• M7: 1,957,937 km (0.078 R)
• M8: 3,122,856 km (0.025 R)
• M9: 3,663,053 km (0.037 R)
• M10: 4,046,024 km (0.095 R)
• M11: 4,231,525 km (0.107 R)
• M12: 4,390,548 km (0.083 R)
• M13: 5,770,887 km (0.082 R)
• M14: 7,190,272 km (0.045 R)
• M15: 7,509,065 km (0.114 R)
• M16: 10,814,729 km (0.091 R)
• M17: 12,422,906 km (0.108 R)
• M18: 15,271,998 km (0.068 R)
• M19: 16,336,835 km (0.082 R)
• M20: 19,040,667 km (0.038 R)
• M21: 22,123,431 km (0.056 R)
• M22: 23,384,990 km (0.054 R)
• M23: 23,882,851 km (0.105 R)
• M24: 25,523,042 km (0.115 R)
• M25: 36,300,223 km (0.108 R)
• M26: 41,867,208 km (0.098 R)
• M27: 48,457,742 km (0.109 R)
• M28: 51,076,453 km (0.104 R)
• M29: 52,420,440 km (0.076 R)
• M30: 54,480,403 km (0.083 R)
• M31: 55,354,503 km (0.063 R)
• M32: 55,530,430 km (0.042 R)
• M33: 57,310,196 km (0.1 R)
• M34: 58,761,146 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.4

Radius: 7.4

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.71 AU - 9.35 AU

Year: 17253 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,280,522 km

• M1: 92,302 km (0.092 R)
• M2: 337,942 km (0.106 R)
• M3: 611,556 km (0.05 R)
• M4: 863,479 km (0.088 R)
• M5: 1,259,614 km (0.052 R)
• M6: 1,500,467 km (0.079 R)
• M7: 2,497,387 km (0.08 R)
• M8: 3,112,533 km (0.093 R)
• M9: 4,103,769 km (0.104 R)
• M10: 4,671,792 km (0.096 R)
• M11: 9,944,219 km (0.052 R)
• M12: 13,923,223 km (0.051 R)
• M13: 14,720,879 km (0.043 R)
• M14: 15,902,702 km (0.098 R)
• M15: 16,626,756 km (0.108 R)
• M16: 17,071,660 km (0.074 R)
• M17: 18,218,627 km (0.085 R)
• M18: 23,322,158 km (0.102 R)
• M19: 23,599,812 km (0.068 R)
• M20: 29,089,456 km (0.103 R)
• M21: 31,279,868 km (0.114 R)
• M22: 34,169,500 km (0.099 R)
• M23: 44,179,393 km (0.119 R)
• M24: 48,405,533 km (0.112 R)
• M25: 49,923,203 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.7

Radius: 6

Gravity: 24.6 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.72 AU - 9.86 AU

Year: 18003 Days

Day: 17.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,280,522 km

• M1: 75,248 km (0.118 R)
• M2: 390,899 km (0.113 R)
• M3: 749,485 km (0.097 R)
• M4: 953,986 km (0.063 R)
• M5: 1,141,881 km (0.119 R)
• M6: 1,354,758 km (0.087 R)
• M7: 1,544,149 km (0.113 R)
• M8: 2,138,352 km (0.075 R)
• M9: 2,580,862 km (0.082 R)
• M10: 2,823,959 km (0.096 R)
• M11: 3,706,886 km (0.091 R)
• M12: 4,113,493 km (0.085 R)
• M13: 5,318,204 km (0.104 R)
• M14: 5,959,680 km (0.052 R)
• M15: 7,109,938 km (0.06 R)
• M16: 9,213,583 km (0.072 R)
• M17: 9,900,088 km (0.083 R)
• M18: 11,119,311 km (0.087 R)
• M19: 12,299,488 km (0.107 R)
• M20: 13,131,103 km (0.116 R)
• M21: 16,751,072 km (0.09 R)
• M22: 18,564,198 km (0.038 R)
• M23: 27,127,779 km (0.119 R)
• M24: 28,532,802 km (0.036 R)
• M25: 32,127,489 km (0.114 R)
• M26: 32,515,696 km (0.047 R)
• M27: 32,907,193 km (0.053 R)
• M28: 34,775,222 km (0.119 R)
• M29: 37,137,223 km (0.104 R)
• M30: 38,430,047 km (0.092 R)
• M31: 48,161,239 km (0.112 R)
• M32: 49,525,273 km (0.112 R)
• M33: 54,319,136 km (0.1 R)
• M34: 64,610,722 km (0.118 R)
• M35: 74,534,297 km (0.089 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: 219 - 12,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit