🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.6 AU - 0.62 AU

Year: 308 Days

Day: 20.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,354,853 km

• M1: 272,119 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.58 AU - 0.68 AU

Year: 323 Days

Day: 20.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.9

Radius: 11.8

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.15 AU - 1.77 AU

Year: 1139 Days

Day: 13.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,354,853 km

• M1: 147,952 km (0.053 R)
• M2: 598,541 km (0.096 R)
• M3: 1,030,729 km (0.064 R)
• M4: 1,703,920 km (0.079 R)
• M5: 2,357,962 km (0.087 R)
• M6: 2,851,036 km (0.047 R)
• M7: 4,493,322 km (0.099 R)
• M8: 5,133,601 km (0.089 R)
• M9: 5,878,299 km (0.12 R)
• M10: 6,477,139 km (0.119 R)
• M11: 7,451,320 km (0.098 R)
• M12: 8,635,986 km (0.079 R)
• M13: 9,472,388 km (0.12 R)
• M14: 10,038,017 km (0.108 R)
• M15: 10,996,790 km (0.108 R)
• M16: 11,871,339 km (0.087 R)
• M17: 12,418,119 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.5

Radius: 10.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.26 AU - 2.58 AU

Year: 2431 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 120.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,354,853 km

• M1: 131,796 km (0.108 R)
• M2: 496,665 km (0.111 R)
• M3: 974,181 km (0.062 R)
• M4: 1,415,495 km (0.116 R)
• M5: 1,761,365 km (0.091 R)
• M6: 2,237,236 km (0.095 R)
• M7: 3,416,815 km (0.069 R)
• M8: 3,975,863 km (0.075 R)
• M9: 4,780,400 km (0.094 R)
• M10: 8,086,662 km (0.071 R)
• M11: 8,512,119 km (0.118 R)
• M12: 8,888,806 km (0.111 R)
• M13: 9,574,713 km (0.088 R)
• M14: 11,768,116 km (0.072 R)
• M15: 12,474,667 km (0.117 R)
• M16: 14,146,124 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.2

Radius: 8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.77 AU - 5.73 AU

Year: 6684 Days

Day: 11.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,354,853 km

• M1: 99,782 km (0.072 R)
• M2: 412,741 km (0.115 R)
• M3: 714,330 km (0.092 R)
• M4: 999,463 km (0.112 R)
• M5: 1,579,903 km (0.084 R)
• M6: 2,398,503 km (0.11 R)
• M7: 3,036,089 km (0.092 R)
• M8: 3,494,008 km (0.111 R)
• M9: 5,715,237 km (0.073 R)
• M10: 6,444,377 km (0.066 R)
• M11: 7,366,199 km (0.1 R)
• M12: 9,827,832 km (0.108 R)
• M13: 10,195,693 km (0.047 R)
• M14: 11,221,635 km (0.114 R)
• M15: 11,623,605 km (0.096 R)
• M16: 13,728,597 km (0.109 R)
• M17: 14,764,562 km (0.102 R)
• M18: 15,630,285 km (0.108 R)
• M19: 16,644,109 km (0.094 R)
• M20: 18,184,818 km (0.047 R)
• M21: 18,491,793 km (0.045 R)
• M22: 19,433,212 km (0.092 R)
• M23: 19,883,203 km (0.084 R)
• M24: 20,670,985 km (0.063 R)
• M25: 22,308,782 km (0.048 R)
• M26: 22,731,247 km (0.114 R)
• M27: 25,000,198 km (0.089 R)
• M28: 25,763,147 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.1

Radius: 12.4

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.49 AU - 6.33 AU

Year: 8125 Days

Day: 14.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,354,853 km

• M1: 154,385 km (0.077 R)
• M2: 646,113 km (0.117 R)
• M3: 1,814,323 km (0.115 R)
• M4: 2,419,446 km (0.067 R)
• M5: 3,069,748 km (0.117 R)
• M6: 3,735,010 km (0.078 R)
• M7: 4,221,502 km (0.094 R)
• M8: 5,322,692 km (0.08 R)
• M9: 6,250,349 km (0.097 R)
• M10: 6,976,796 km (0.108 R)
• M11: 7,963,244 km (0.098 R)
• M12: 9,221,362 km (0.079 R)
• M13: 11,589,048 km (0.072 R)
• M14: 14,214,191 km (0.104 R)
• M15: 15,341,860 km (0.102 R)
• M16: 17,492,479 km (0.063 R)
• M17: 19,083,004 km (0.115 R)
• M18: 22,800,959 km (0.102 R)
• M19: 25,592,456 km (0.074 R)
• M20: 27,926,332 km (0.12 R)
• M21: 28,409,533 km (0.104 R)
• M22: 29,792,416 km (0.088 R)
• M23: 32,906,146 km (0.118 R)
• M24: 35,888,529 km (0.119 R)
• M25: 38,686,907 km (0.064 R)
• M26: 40,879,114 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18

Radius: 6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.54 AU - 7.92 AU

Year: 11273 Days

Day: 22.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,354,853 km

• M1: 74,649 km (0.087 R)
• M2: 276,457 km (0.087 R)
• M3: 699,968 km (0.069 R)
• M4: 1,079,947 km (0.069 R)
• M5: 1,465,012 km (0.066 R)
• M6: 1,881,792 km (0.106 R)
• M7: 2,874,673 km (0.055 R)
• M8: 6,529,049 km (0.081 R)
• M9: 11,803,422 km (0.056 R)
• M10: 13,495,673 km (0.095 R)
• M11: 14,050,681 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.4

Radius: 6.5

Gravity: 17.69 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.56 AU - 7.04 AU

Year: 11449 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,354,853 km

• M1: 84,822 km (0.052 R)
• M2: 305,928 km (0.082 R)
• M3: 512,223 km (0.107 R)
• M4: 771,775 km (0.044 R)
• M5: 1,095,804 km (0.111 R)
• M6: 1,342,342 km (0.118 R)
• M7: 2,001,171 km (0.101 R)
• M8: 2,412,714 km (0.1 R)
• M9: 3,255,100 km (0.102 R)
• M10: 3,663,053 km (0.051 R)
• M11: 4,076,093 km (0.089 R)
• M12: 4,519,501 km (0.093 R)
• M13: 4,769,031 km (0.067 R)
• M14: 5,060,597 km (0.107 R)
• M15: 6,902,595 km (0.111 R)
• M16: 8,431,336 km (0.089 R)
• M17: 8,906,608 km (0.09 R)
• M18: 9,399,533 km (0.084 R)
• M19: 10,602,300 km (0.088 R)
• M20: 10,876,663 km (0.083 R)
• M21: 11,845,459 km (0.11 R)
• M22: 15,303,862 km (0.092 R)
• M23: 15,796,338 km (0.041 R)
• M24: 23,752,552 km (0.083 R)
• M25: 24,603,614 km (0.102 R)
• M26: 25,085,020 km (0.08 R)
• M27: 25,868,314 km (0.097 R)
• M28: 29,813,360 km (0.11 R)
• M29: 30,581,246 km (0.098 R)
• M30: 32,042,368 km (0.051 R)
• M31: 33,903,665 km (0.09 R)
• M32: 38,870,314 km (0.112 R)
• M33: 39,786,601 km (0.097 R)
• M34: 42,483,701 km (0.028 R)
• M35: 43,176,489 km (0.103 R)
• M36: 44,442,535 km (0.095 R)
• M37: 47,939,386 km (0.075 R)
• M38: 50,524,437 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.6

Radius: 6.6

Gravity: 21.64 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.15 AU - 9.59 AU

Year: 18519 Days

Day: 16.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,354,853 km

• M1: 82,279 km (0.106 R)
• M2: 293,212 km (0.1 R)
• M3: 891,454 km (0.074 R)
• M4: 1,124,378 km (0.069 R)
• M5: 1,510,191 km (0.058 R)
• M6: 2,061,309 km (0.081 R)
• M7: 2,521,472 km (0.047 R)
• M8: 3,987,830 km (0.09 R)
• M9: 4,250,225 km (0.116 R)
• M10: 4,524,288 km (0.119 R)
• M11: 6,118,104 km (0.095 R)
• M12: 6,423,583 km (0.073 R)
• M13: 7,450,124 km (0.115 R)
• M14: 8,157,721 km (0.078 R)
• M15: 11,440,796 km (0.083 R)
• M16: 12,107,554 km (0.081 R)
• M17: 12,659,271 km (0.106 R)
• M18: 14,491,845 km (0.091 R)
• M19: 14,800,615 km (0.119 R)
• M20: 22,860,051 km (0.11 R)
• M21: 24,347,353 km (0.081 R)
• M22: 26,697,685 km (0.057 R)
• M23: 33,427,345 km (0.066 R)
• M24: 35,062,599 km (0.116 R)
• M25: 43,722,521 km (0.04 R)
• M26: 61,611,434 km (0.036 R)
• M27: 69,819,121 km (0.112 R)
• M28: 76,141,576 km (0.083 R)
• M29: 77,309,188 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.9

Radius: 4.8

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.91 AU - 12.47 AU

Year: 24169 Days

Day: 20.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,354,853 km

• M1: 61,335 km (0.083 R)
• M2: 253,120 km (0.116 R)
• M3: 410,796 km (0.053 R)
• M4: 892,052 km (0.076 R)
• M5: 4,841,137 km (0.12 R)
• M6: 6,008,299 km (0.102 R)
• M7: 7,178,753 km (0.066 R)
• M8: 9,748,994 km (0.108 R)
• M9: 11,826,908 km (0.078 R)
• M10: 12,128,647 km (0.108 R)
• M11: 21,893,648 km (0.116 R)
• M12: 22,532,132 km (0.096 R)
• M13: 27,353,971 km (0.057 R)
• M14: 43,807,492 km (0.089 R)
• M15: 49,494,007 km (0.106 R)
• M16: 50,434,678 km (0.051 R)
• M17: 51,707,158 km (0.088 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 10,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit