🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.73 AU - 1.07 AU

Year: 303 Days

Day: 17.7 Hours

Environment

Temp: 133 °C

Axial Tilt: 43.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.2 AU - 1.34 AU

Year: 508 Days

Day: 34.3 Hours

Environment

Temp: 11 °C

Axial Tilt: 25.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 67,610,669 km

• M1: 33,061 km (0.114 R)
• M2: 68,067 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.78 AU - 4.96 AU

Year: 3241 Days

Day: 18 Hours

Environment

Temp: -127 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,610,669 km

• M1: 59,390 km (0.101 R)

Asteroid Belt

Center: 5.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.1

Radius: 13.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.05 AU - 7.11 AU

Year: 5988 Days

Day: 7.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,610,669 km

• M1: 174,282 km (0.074 R)
• M2: 995,873 km (0.086 R)
• M3: 2,150,469 km (0.093 R)
• M4: 2,842,808 km (0.045 R)
• M5: 3,902,260 km (0.099 R)
• M6: 10,168,317 km (0.104 R)
• M7: 10,976,295 km (0.108 R)
• M8: 14,420,636 km (0.058 R)
• M9: 17,185,355 km (0.107 R)
• M10: 23,281,468 km (0.115 R)
• M11: 26,393,104 km (0.094 R)
• M12: 28,178,554 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.9

Radius: 14.3

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.4 AU - 7.52 AU

Year: 6514 Days

Day: 13.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,610,669 km

• M1: 177,872 km (0.061 R)
• M2: 700,716 km (0.1 R)
• M3: 2,319,665 km (0.104 R)
• M4: 2,946,031 km (0.049 R)
• M5: 3,846,012 km (0.079 R)
• M6: 4,310,064 km (0.096 R)
• M7: 6,832,284 km (0.112 R)
• M8: 10,493,543 km (0.113 R)
• M9: 11,606,551 km (0.081 R)
• M10: 12,062,974 km (0.116 R)
• M11: 21,102,425 km (0.062 R)
• M12: 22,014,224 km (0.044 R)
• M13: 22,636,551 km (0.116 R)
• M14: 26,620,791 km (0.111 R)
• M15: 27,865,595 km (0.114 R)
• M16: 33,337,287 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.6

Radius: 10.9

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.36 AU - 8.86 AU

Year: 6726 Days

Day: 13.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,610,669 km

• M1: 137,181 km (0.072 R)
• M2: 482,304 km (0.06 R)
• M3: 907,610 km (0.111 R)
• M4: 2,048,294 km (0.097 R)
• M5: 3,333,041 km (0.1 R)
• M6: 3,920,960 km (0.099 R)
• M7: 4,744,646 km (0.099 R)
• M8: 6,952,411 km (0.036 R)
• M9: 10,728,411 km (0.097 R)
• M10: 11,077,573 km (0.053 R)
• M11: 12,716,417 km (0.101 R)
• M12: 13,855,904 km (0.101 R)
• M13: 15,819,077 km (0.07 R)
• M14: 17,204,054 km (0.09 R)
• M15: 18,031,031 km (0.03 R)
• M16: 18,740,125 km (0.1 R)
• M17: 19,467,620 km (0.082 R)
• M18: 20,213,963 km (0.088 R)
• M19: 20,901,964 km (0.097 R)
• M20: 21,447,697 km (0.073 R)
• M21: 21,922,970 km (0.07 R)
• M22: 22,894,907 km (0.079 R)
• M23: 25,361,626 km (0.056 R)
• M24: 28,189,176 km (0.074 R)
• M25: 32,346,201 km (0.07 R)
• M26: 36,108,887 km (0.052 R)
• M27: 39,321,800 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.8

Radius: 4.8

Gravity: 34.5 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 11.74 AU - 15.52 AU

Year: 17852 Days

Day: 22 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,610,669 km

• M1: 59,690 km (0.092 R)
• M2: 254,316 km (0.096 R)
• M3: 443,109 km (0.088 R)
• M4: 806,033 km (0.086 R)
• M5: 1,361,341 km (0.078 R)
• M6: 1,583,194 km (0.091 R)
• M7: 1,941,780 km (0.101 R)
• M8: 2,287,501 km (0.077 R)
• M9: 3,457,805 km (0.099 R)
• M10: 3,965,241 km (0.071 R)
• M11: 4,319,190 km (0.104 R)
• M12: 4,764,243 km (0.11 R)
• M13: 5,825,790 km (0.09 R)
• M14: 5,989,300 km (0.077 R)
• M15: 7,410,480 km (0.09 R)
• M16: 9,097,047 km (0.071 R)
• M17: 10,776,582 km (0.115 R)
• M18: 12,181,156 km (0.114 R)
• M19: 12,516,555 km (0.089 R)
• M20: 15,581,815 km (0.102 R)
• M21: 18,141,135 km (0.11 R)
• M22: 25,571,811 km (0.048 R)
• M23: 26,343,736 km (0.108 R)
• M24: 26,679,284 km (0.108 R)
• M25: 28,752,711 km (0.082 R)
• M26: 31,555,128 km (0.062 R)
• M27: 32,828,355 km (0.101 R)
• M28: 33,347,011 km (0.12 R)
• M29: 41,646,402 km (0.103 R)
• M30: 44,428,324 km (0.072 R)
• M31: 47,661,732 km (0.109 R)
• M32: 49,505,227 km (0.065 R)
• M33: 50,702,907 km (0.104 R)
• M34: 59,248,237 km (0.071 R)
• M35: 60,987,013 km (0.07 R)
• M36: 62,164,946 km (0.029 R)
• M37: 66,821,031 km (0.078 R)
• M38: 69,339,959 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.8

Radius: 4.9

Gravity: 35.85 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 12.03 AU - 16.17 AU

Year: 18783 Days

Day: 19.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,610,669 km

• M1: 60,886 km (0.08 R)
• M2: 233,821 km (0.113 R)
• M3: 427,401 km (0.054 R)
• M4: 699,819 km (0.082 R)
• M5: 993,479 km (0.059 R)
• M6: 1,825,393 km (0.091 R)
• M7: 3,918,567 km (0.078 R)
• M8: 4,800,446 km (0.074 R)
• M9: 5,365,627 km (0.118 R)
• M10: 5,684,719 km (0.103 R)
• M11: 6,537,577 km (0.063 R)
• M12: 7,088,396 km (0.103 R)
• M13: 7,521,482 km (0.068 R)
• M14: 9,317,853 km (0.116 R)
• M15: 10,683,532 km (0.103 R)
• M16: 12,658,224 km (0.11 R)
• M17: 13,584,833 km (0.058 R)
• M18: 14,786,254 km (0.114 R)
• M19: 15,097,417 km (0.08 R)
• M20: 15,732,610 km (0.083 R)
• M21: 16,220,748 km (0.108 R)
• M22: 19,548,552 km (0.078 R)
• M23: 21,569,619 km (0.093 R)
• M24: 22,171,601 km (0.097 R)
• M25: 22,579,255 km (0.032 R)
• M26: 23,199,937 km (0.06 R)
• M27: 24,583,568 km (0.085 R)
• M28: 32,858,424 km (0.114 R)
• M29: 39,595,714 km (0.109 R)
• M30: 43,443,970 km (0.054 R)
• M31: 43,602,843 km (0.092 R)
• M32: 50,282,238 km (0.095 R)
• M33: 55,342,984 km (0.081 R)
• M34: 59,745,650 km (0.042 R)
• M35: 68,377,148 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.1

Radius: 7.9

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 11.54 AU - 16.86 AU

Year: 18983 Days

Day: 19.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,610,669 km

• M1: 100,679 km (0.119 R)
• M2: 366,664 km (0.088 R)
• M3: 1,028,336 km (0.076 R)
• M4: 1,958,535 km (0.113 R)
• M5: 3,141,705 km (0.101 R)
• M6: 3,449,428 km (0.116 R)
• M7: 4,325,323 km (0.106 R)
• M8: 4,743,000 km (0.096 R)
• M9: 8,728,587 km (0.072 R)
• M10: 9,170,050 km (0.114 R)
• M11: 10,771,047 km (0.113 R)
• M12: 16,181,852 km (0.109 R)
• M13: 17,017,955 km (0.101 R)
• M14: 18,236,429 km (0.115 R)
• M15: 19,141,646 km (0.044 R)
• M16: 19,512,050 km (0.042 R)
• M17: 21,735,075 km (0.105 R)
• M18: 23,588,742 km (0.096 R)
• M19: 27,843,455 km (0.066 R)
• M20: 29,286,476 km (0.083 R)
• M21: 33,645,160 km (0.116 R)
• M22: 40,964,684 km (0.106 R)
• M23: 42,514,518 km (0.054 R)
• M24: 46,226,640 km (0.116 R)
• M25: 46,559,196 km (0.112 R)
• M26: 48,417,500 km (0.099 R)
• M27: 48,760,528 km (0.103 R)
• M28: 49,105,202 km (0.063 R)
• M29: 58,454,770 km (0.031 R)
• M30: 60,021,209 km (0.107 R)
• M31: 63,853,607 km (0.12 R)
• M32: 64,473,242 km (0.107 R)
• M33: 67,204,749 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.6

Radius: 6.9

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 12.91 AU - 19.45 AU

Year: 23089 Days

Day: 16.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,610,669 km

• M1: 103,522 km (0.103 R)
• M2: 549,024 km (0.075 R)
• M3: 1,054,665 km (0.09 R)
• M4: 2,716,398 km (0.054 R)
• M5: 4,773,818 km (0.093 R)
• M6: 7,837,133 km (0.079 R)
• M7: 16,970,233 km (0.094 R)
• M8: 21,224,198 km (0.107 R)
• M9: 22,461,821 km (0.09 R)
• M10: 22,950,258 km (0.075 R)
• M11: 25,079,933 km (0.076 R)
• M12: 29,031,112 km (0.099 R)
• M13: 34,528,984 km (0.064 R)
• M14: 42,587,522 km (0.034 R)
• M15: 43,486,455 km (0.081 R)
• M16: 49,970,626 km (0.105 R)
• M17: 50,302,583 km (0.101 R)
• M18: 53,355,427 km (0.09 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 13,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit