🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.46 AU - 0.74 AU

Year: 166 Days

Day: 29.3 Hours

Environment

Temp: 248 °C

Axial Tilt: 11.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 103,120,392 km

• M1: 44,730 km (0.059 R)
• M2: 186,399 km (0.042 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.91 AU - 1.27 AU

Year: 406 Days

Day: 19.1 Hours

Environment

Temp: 41 °C

Axial Tilt: 20.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 103,120,392 km

• M1: 319,391 km (0.101 R)
• M2: 464,501 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.05 AU - 1.17 AU

Year: 417 Days

Day: 33 Hours

Environment

Temp: 16 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.5 AU - 1.92 AU

Year: 797 Days

Day: 40.3 Hours

Environment

Temp: -49 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,120,392 km

• M1: 280,197 km (0.082 R)
• M2: 551,268 km (0.055 R)

Asteroid Belt

Center: 4.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.6

Radius: 10.8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.17 AU - 7.69 AU

Year: 6503 Days

Day: 6.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 103,120,392 km

• M1: 134,339 km (0.067 R)
• M2: 486,791 km (0.111 R)
• M3: 890,855 km (0.098 R)
• M4: 1,288,038 km (0.12 R)
• M5: 1,629,869 km (0.111 R)
• M6: 2,252,495 km (0.027 R)
• M7: 2,704,879 km (0.113 R)
• M8: 3,539,186 km (0.09 R)
• M9: 4,154,183 km (0.114 R)
• M10: 5,318,204 km (0.107 R)
• M11: 7,147,786 km (0.109 R)
• M12: 8,131,542 km (0.036 R)
• M13: 8,887,909 km (0.086 R)
• M14: 9,283,296 km (0.076 R)
• M15: 11,164,938 km (0.118 R)
• M16: 11,813,594 km (0.103 R)
• M17: 12,438,315 km (0.102 R)
• M18: 12,883,668 km (0.066 R)
• M19: 14,499,474 km (0.104 R)
• M20: 14,992,848 km (0.077 R)
• M21: 15,554,139 km (0.084 R)
• M22: 17,019,002 km (0.093 R)
• M23: 18,318,858 km (0.07 R)
• M24: 20,837,487 km (0.083 R)
• M25: 21,185,153 km (0.07 R)
• M26: 24,879,173 km (0.108 R)
• M27: 25,428,496 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.1

Radius: 13

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.51 AU - 9.05 AU

Year: 8493 Days

Day: 14.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 103,120,392 km

• M1: 161,715 km (0.066 R)
• M2: 1,877,154 km (0.062 R)
• M3: 2,337,766 km (0.117 R)
• M4: 2,822,014 km (0.105 R)
• M5: 3,412,627 km (0.034 R)
• M6: 4,919,526 km (0.082 R)
• M7: 6,674,309 km (0.074 R)
• M8: 7,089,892 km (0.088 R)
• M9: 7,522,679 km (0.087 R)
• M10: 8,552,660 km (0.103 R)
• M11: 13,078,295 km (0.079 R)
• M12: 20,965,693 km (0.117 R)
• M13: 21,721,760 km (0.077 R)
• M14: 22,853,768 km (0.063 R)
• M15: 25,158,472 km (0.065 R)
• M16: 26,248,442 km (0.04 R)
• M17: 26,725,211 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.4

Radius: 6.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 12.23 AU - 17.45 AU

Year: 20377 Days

Day: 17 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 103,120,392 km

• M1: 79,586 km (0.109 R)
• M2: 360,381 km (0.103 R)
• M3: 871,258 km (0.107 R)
• M4: 1,507,348 km (0.067 R)
• M5: 2,052,632 km (0.054 R)
• M6: 2,343,899 km (0.076 R)
• M7: 3,409,635 km (0.115 R)
• M8: 4,234,517 km (0.049 R)
• M9: 4,943,013 km (0.116 R)
• M10: 5,154,843 km (0.096 R)
• M11: 5,894,156 km (0.082 R)
• M12: 6,665,333 km (0.1 R)
• M13: 7,541,528 km (0.116 R)
• M14: 8,406,503 km (0.107 R)
• M15: 10,578,963 km (0.094 R)
• M16: 12,146,300 km (0.114 R)
• M17: 12,421,710 km (0.108 R)
• M18: 12,645,209 km (0.112 R)
• M19: 13,862,187 km (0.105 R)
• M20: 22,265,399 km (0.085 R)
• M21: 31,941,838 km (0.089 R)
• M22: 41,422,902 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.7

Radius: 5.6

Gravity: 14.56 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 13.4 AU - 17.06 AU

Year: 21186 Days

Day: 23 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 103,120,392 km

• M1: 70,610 km (0.081 R)
• M2: 251,025 km (0.119 R)
• M3: 458,817 km (0.096 R)
• M4: 1,122,134 km (0.106 R)
• M5: 1,823,149 km (0.1 R)
• M6: 3,946,392 km (0.099 R)
• M7: 5,987,804 km (0.081 R)
• M8: 7,893,232 km (0.11 R)
• M9: 9,941,078 km (0.118 R)
• M10: 10,342,748 km (0.03 R)
• M11: 12,058,486 km (0.069 R)
• M12: 20,916,475 km (0.107 R)
• M13: 23,434,955 km (0.048 R)
• M14: 39,382,687 km (0.053 R)
• M15: 44,575,079 km (0.112 R)
• M16: 54,329,309 km (0.106 R)
• M17: 68,454,190 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637

Radius: 8

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 17.58 AU - 23.12 AU

Year: 32722 Days

Day: 23.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 103,120,392 km

• M1: 99,931 km (0.106 R)
• M2: 596,746 km (0.096 R)
• M3: 1,013,226 km (0.117 R)
• M4: 1,304,493 km (0.1 R)
• M5: 1,952,252 km (0.12 R)
• M6: 2,612,128 km (0.046 R)
• M7: 3,168,632 km (0.108 R)
• M8: 5,707,907 km (0.041 R)
• M9: 8,007,974 km (0.089 R)
• M10: 9,739,869 km (0.032 R)
• M11: 10,457,639 km (0.089 R)
• M12: 11,210,266 km (0.037 R)
• M13: 15,177,901 km (0.11 R)
• M14: 16,502,440 km (0.045 R)
• M15: 18,191,550 km (0.116 R)
• M16: 18,878,653 km (0.077 R)
• M17: 20,304,321 km (0.035 R)
• M18: 20,830,456 km (0.094 R)
• M19: 22,575,216 km (0.067 R)
• M20: 22,913,008 km (0.087 R)
• M21: 23,946,281 km (0.075 R)
• M22: 28,261,282 km (0.099 R)
• M23: 29,449,089 km (0.105 R)
• M24: 30,395,894 km (0.089 R)
• M25: 32,492,508 km (0.115 R)
• M26: 32,779,287 km (0.102 R)
• M27: 34,833,415 km (0.061 R)
• M28: 37,127,798 km (0.085 R)
• M29: 40,506,615 km (0.071 R)
• M30: 42,355,795 km (0.091 R)
• M31: 43,735,536 km (0.075 R)
• M32: 52,254,985 km (0.108 R)
• M33: 54,849,012 km (0.095 R)
• M34: 57,947,334 km (0.109 R)
• M35: 60,076,560 km (0.072 R)
• M36: 75,955,327 km (0.071 R)
• M37: 80,059,395 km (0.046 R)
• M38: 80,582,539 km (0.082 R)
• M39: 84,579,345 km (0.074 R)
• M40: 86,488,812 km (0.05 R)
• M41: 89,547,490 km (0.118 R)
• M42: 94,706,672 km (0.106 R)
• M43: 95,585,410 km (0.065 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 10,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit