🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.97 AU - 1.11 AU

Year: 384 Days

Day: 23.5 Hours

Environment

Temp: 38 °C

Axial Tilt: 48.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.97 AU - 1.19 AU

Year: 406 Days

Day: 41.5 Hours

Environment

Temp: 30 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 89,069,802 km

• M1: 49,666 km (0.071 R)
• M2: 141,520 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.45 AU - 5.71 AU

Year: 3545 Days

Day: 32.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 165.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.6

Radius: 14

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.47 AU - 5.85 AU

Year: 4870 Days

Day: 8.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,069,802 km

• M1: 174,880 km (0.039 R)
• M2: 713,283 km (0.093 R)
• M3: 1,615,059 km (0.106 R)
• M4: 2,142,989 km (0.112 R)
• M5: 2,803,165 km (0.112 R)
• M6: 3,457,656 km (0.111 R)
• M7: 4,145,806 km (0.042 R)
• M8: 5,549,632 km (0.089 R)
• M9: 5,995,733 km (0.085 R)
• M10: 7,819,331 km (0.115 R)
• M11: 8,710,186 km (0.07 R)
• M12: 12,020,787 km (0.109 R)
• M13: 14,419,589 km (0.114 R)
• M14: 15,321,814 km (0.105 R)
• M15: 16,317,837 km (0.118 R)
• M16: 21,613,452 km (0.063 R)
• M17: 22,866,184 km (0.062 R)
• M18: 24,760,243 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 12.3

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 9.17 AU - 12.61 AU

Year: 12997 Days

Day: 13.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 89,069,802 km

• M1: 153,039 km (0.119 R)
• M2: 761,603 km (0.092 R)
• M3: 1,651,411 km (0.108 R)
• M4: 2,179,043 km (0.101 R)
• M5: 3,395,872 km (0.082 R)
• M6: 3,936,818 km (0.119 R)
• M7: 5,402,278 km (0.078 R)
• M8: 6,065,446 km (0.082 R)
• M9: 9,223,756 km (0.082 R)
• M10: 10,558,319 km (0.048 R)
• M11: 11,715,608 km (0.1 R)
• M12: 12,764,289 km (0.066 R)
• M13: 13,149,054 km (0.113 R)
• M14: 14,906,680 km (0.07 R)
• M15: 15,915,568 km (0.103 R)
• M16: 16,587,861 km (0.095 R)
• M17: 18,554,923 km (0.082 R)
• M18: 20,760,893 km (0.078 R)
• M19: 22,018,563 km (0.101 R)
• M20: 24,983,443 km (0.099 R)
• M21: 26,822,001 km (0.062 R)
• M22: 29,079,133 km (0.105 R)
• M23: 29,858,837 km (0.111 R)
• M24: 30,424,317 km (0.038 R)
• M25: 31,810,641 km (0.088 R)
• M26: 41,164,397 km (0.088 R)
• M27: 46,086,616 km (0.096 R)
• M28: 47,299,406 km (0.119 R)
• M29: 47,759,569 km (0.032 R)
• M30: 59,010,376 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548

Radius: 10.8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.56 AU - 13.72 AU

Year: 13447 Days

Day: 8.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 119.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,069,802 km

• M1: 136,583 km (0.102 R)
• M2: 573,409 km (0.059 R)
• M3: 969,095 km (0.1 R)
• M4: 1,334,114 km (0.112 R)
• M5: 1,808,489 km (0.067 R)
• M6: 6,812,986 km (0.045 R)
• M7: 8,744,145 km (0.083 R)
• M8: 9,939,283 km (0.045 R)
• M9: 11,296,734 km (0.099 R)
• M10: 16,839,036 km (0.077 R)
• M11: 18,131,262 km (0.092 R)
• M12: 21,430,942 km (0.092 R)
• M13: 21,781,450 km (0.114 R)
• M14: 23,406,532 km (0.11 R)
• M15: 31,277,923 km (0.115 R)
• M16: 34,170,398 km (0.109 R)
• M17: 34,649,260 km (0.081 R)
• M18: 37,363,265 km (0.094 R)
• M19: 37,999,206 km (0.082 R)
• M20: 42,379,431 km (0.064 R)
• M21: 45,913,830 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.1

Radius: 5.2

Gravity: 32.44 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 11.3 AU - 15.8 AU

Year: 18038 Days

Day: 19.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,069,802 km

• M1: 64,626 km (0.113 R)
• M2: 314,455 km (0.03 R)
• M3: 568,622 km (0.101 R)
• M4: 930,798 km (0.105 R)
• M5: 1,170,454 km (0.116 R)
• M6: 1,419,085 km (0.076 R)
• M7: 1,598,453 km (0.045 R)
• M8: 2,166,327 km (0.094 R)
• M9: 2,338,364 km (0.073 R)
• M10: 3,014,098 km (0.084 R)
• M11: 3,256,746 km (0.109 R)
• M12: 6,320,959 km (0.114 R)
• M13: 6,584,700 km (0.109 R)
• M14: 7,863,163 km (0.089 R)
• M15: 10,347,685 km (0.046 R)
• M16: 11,931,926 km (0.1 R)
• M17: 12,956,372 km (0.032 R)
• M18: 16,053,647 km (0.104 R)
• M19: 16,297,940 km (0.108 R)
• M20: 16,877,632 km (0.066 R)
• M21: 17,045,780 km (0.112 R)
• M22: 20,361,467 km (0.114 R)
• M23: 21,033,760 km (0.074 R)
• M24: 23,976,948 km (0.084 R)
• M25: 29,676,029 km (0.082 R)
• M26: 32,837,032 km (0.086 R)
• M27: 34,161,871 km (0.118 R)
• M28: 34,566,234 km (0.098 R)
• M29: 36,917,912 km (0.091 R)
• M30: 37,343,668 km (0.097 R)
• M31: 38,204,903 km (0.074 R)
• M32: 41,171,877 km (0.118 R)
• M33: 51,162,771 km (0.053 R)
• M34: 56,057,613 km (0.119 R)
• M35: 67,609,262 km (0.082 R)
• M36: 71,933,089 km (0.109 R)
• M37: 75,067,164 km (0.079 R)
• M38: 75,522,241 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.8

Radius: 5.5

Gravity: 31.7 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 14.76 AU - 15.62 AU

Year: 21410 Days

Day: 21.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 89,069,802 km

• M1: 72,555 km (0.062 R)
• M2: 505,641 km (0.115 R)
• M3: 801,994 km (0.119 R)
• M4: 1,253,181 km (0.047 R)
• M5: 1,475,783 km (0.091 R)
• M6: 1,859,502 km (0.11 R)
• M7: 2,423,635 km (0.102 R)
• M8: 3,535,746 km (0.049 R)
• M9: 5,470,645 km (0.077 R)
• M10: 7,858,526 km (0.07 R)
• M11: 11,060,668 km (0.07 R)
• M12: 13,850,668 km (0.078 R)
• M13: 14,715,045 km (0.027 R)
• M14: 20,170,879 km (0.105 R)
• M15: 21,693,187 km (0.079 R)
• M16: 24,061,920 km (0.064 R)
• M17: 29,052,654 km (0.107 R)
• M18: 29,306,223 km (0.103 R)
• M19: 32,192,863 km (0.099 R)
• M20: 35,552,233 km (0.065 R)
• M21: 36,574,286 km (0.107 R)
• M22: 40,070,538 km (0.086 R)
• M23: 40,384,693 km (0.111 R)
• M24: 40,700,494 km (0.116 R)
• M25: 48,071,630 km (0.062 R)
• M26: 48,961,588 km (0.09 R)
• M27: 56,284,254 km (0.111 R)
• M28: 66,695,967 km (0.104 R)
• M29: 75,895,039 km (0.107 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 19,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit