🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.44 AU - 0.64 AU

Year: 256 Days

Day: 22.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.5

Radius: 8.6

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.61 AU - 0.91 AU

Year: 428 Days

Day: 9.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,888,250 km

• M1: 106,962 km (0.114 R)
• M2: 407,056 km (0.061 R)
• M3: 787,932 km (0.113 R)
• M4: 1,252,433 km (0.098 R)
• M5: 1,697,188 km (0.097 R)
• M6: 2,158,398 km (0.063 R)
• M7: 2,470,160 km (0.085 R)
• M8: 2,751,105 km (0.037 R)
• M9: 3,825,816 km (0.081 R)
• M10: 4,123,815 km (0.091 R)
• M11: 4,635,589 km (0.071 R)
• M12: 5,220,517 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.9

Radius: 11.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.78 AU - 0.88 AU

Year: 488 Days

Day: 6.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,888,250 km

• M1: 143,016 km (0.052 R)
• M2: 518,955 km (0.077 R)
• M3: 914,492 km (0.071 R)
• M4: 1,349,522 km (0.052 R)
• M5: 1,841,550 km (0.066 R)
• M6: 2,389,676 km (0.11 R)
• M7: 2,810,495 km (0.117 R)
• M8: 3,236,999 km (0.11 R)
• M9: 3,670,833 km (0.105 R)
• M10: 4,394,737 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 14

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.86 AU - 0.88 AU

Year: 524 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,888,250 km

• M1: 174,132 km (0.092 R)
• M2: 655,987 km (0.086 R)
• M3: 1,154,596 km (0.052 R)
• M4: 1,653,655 km (0.108 R)
• M5: 2,298,571 km (0.075 R)
• M6: 2,900,404 km (0.056 R)
• M7: 3,541,281 km (0.106 R)
• M8: 4,158,222 km (0.097 R)
• M9: 6,011,142 km (0.093 R)
• M10: 6,570,189 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.8

Radius: 8.3

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.93 AU - 2.73 AU

Year: 2296 Days

Day: 11 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,888,250 km

• M1: 103,522 km (0.06 R)
• M2: 413,189 km (0.104 R)
• M3: 975,677 km (0.075 R)
• M4: 1,758,523 km (0.112 R)
• M5: 2,338,215 km (0.064 R)
• M6: 3,191,820 km (0.118 R)
• M7: 4,176,773 km (0.069 R)
• M8: 7,082,861 km (0.102 R)
• M9: 8,206,042 km (0.073 R)
• M10: 9,443,515 km (0.104 R)
• M11: 10,106,982 km (0.096 R)
• M12: 15,903,301 km (0.116 R)
• M13: 17,871,859 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 14.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.64 AU - 3.42 AU

Year: 3405 Days

Day: 14.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,888,250 km

• M1: 179,069 km (0.115 R)
• M2: 769,531 km (0.087 R)
• M3: 1,269,338 km (0.109 R)
• M4: 2,044,704 km (0.068 R)
• M5: 2,619,758 km (0.12 R)
• M6: 3,414,272 km (0.078 R)
• M7: 7,099,765 km (0.092 R)
• M8: 11,119,161 km (0.105 R)
• M9: 13,488,642 km (0.077 R)
• M10: 15,796,338 km (0.094 R)
• M11: 16,342,969 km (0.08 R)
• M12: 19,454,156 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872

Radius: 13.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.07 AU - 4.15 AU

Year: 5380 Days

Day: 6.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,888,250 km

• M1: 170,242 km (0.099 R)
• M2: 658,530 km (0.057 R)
• M3: 1,128,566 km (0.12 R)
• M4: 1,723,816 km (0.08 R)
• M5: 2,576,823 km (0.114 R)
• M6: 3,181,199 km (0.095 R)
• M7: 3,628,347 km (0.06 R)
• M8: 4,265,334 km (0.117 R)
• M9: 4,920,723 km (0.104 R)
• M10: 6,805,357 km (0.085 R)
• M11: 7,702,794 km (0.108 R)
• M12: 8,556,549 km (0.055 R)
• M13: 12,150,040 km (0.12 R)
• M14: 12,719,709 km (0.119 R)
• M15: 14,651,765 km (0.107 R)
• M16: 15,901,206 km (0.066 R)
• M17: 17,155,884 km (0.106 R)
• M18: 18,679,389 km (0.077 R)
• M19: 19,861,960 km (0.063 R)
• M20: 21,391,299 km (0.118 R)
• M21: 21,994,029 km (0.102 R)
• M22: 22,530,636 km (0.119 R)
• M23: 24,437,411 km (0.112 R)
• M24: 29,025,577 km (0.082 R)
• M25: 30,611,165 km (0.093 R)
• M26: 33,549,118 km (0.065 R)
• M27: 34,056,404 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.3

Radius: 6.5

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.91 AU - 6.91 AU

Year: 10479 Days

Day: 22.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 33,888,250 km

• M1: 95,294 km (0.071 R)
• M2: 368,759 km (0.1 R)
• M3: 918,980 km (0.111 R)
• M4: 1,165,966 km (0.111 R)
• M5: 1,936,544 km (0.061 R)
• M6: 2,347,639 km (0.091 R)
• M7: 2,633,072 km (0.119 R)
• M8: 3,049,553 km (0.119 R)
• M9: 4,013,561 km (0.096 R)
• M10: 7,366,947 km (0.119 R)
• M11: 7,772,357 km (0.04 R)
• M12: 8,235,363 km (0.067 R)
• M13: 9,591,916 km (0.034 R)
• M14: 9,880,042 km (0.117 R)
• M15: 10,524,360 km (0.111 R)
• M16: 10,779,574 km (0.117 R)
• M17: 12,740,054 km (0.094 R)
• M18: 18,731,598 km (0.111 R)
• M19: 19,639,956 km (0.116 R)
• M20: 20,976,763 km (0.066 R)
• M21: 21,873,303 km (0.08 R)
• M22: 22,541,258 km (0.04 R)
• M23: 22,965,517 km (0.119 R)
• M24: 29,377,581 km (0.089 R)
• M25: 30,602,339 km (0.104 R)
• M26: 33,153,431 km (0.104 R)
• M27: 37,358,627 km (0.076 R)
• M28: 37,714,371 km (0.117 R)
• M29: 40,642,450 km (0.048 R)
• M30: 43,325,787 km (0.111 R)
• M31: 43,849,978 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153

Radius: 6.3

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.96 AU - 7.52 AU

Year: 12578 Days

Day: 22 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,888,250 km

• M1: 78,389 km (0.088 R)
• M2: 382,671 km (0.063 R)
• M3: 686,355 km (0.072 R)
• M4: 1,777,073 km (0.118 R)
• M5: 2,068,490 km (0.051 R)
• M6: 5,611,865 km (0.112 R)
• M7: 6,539,521 km (0.084 R)
• M8: 7,790,309 km (0.058 R)
• M9: 8,613,247 km (0.084 R)
• M10: 10,384,336 km (0.115 R)
• M11: 10,897,906 km (0.087 R)
• M12: 12,856,291 km (0.044 R)
• M13: 13,069,468 km (0.115 R)
• M14: 17,066,424 km (0.066 R)
• M15: 25,472,628 km (0.088 R)
• M16: 26,319,950 km (0.083 R)
• M17: 30,272,476 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 17,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit