🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.79 AU - 0.93 AU

Year: 290 Days

Day: 38.8 Hours

Environment

Temp: 120 °C

Axial Tilt: 28.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.04 AU - 1.3 AU

Year: 460 Days

Day: 29.4 Hours

Environment

Temp: -3 °C

Axial Tilt: 22.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 101,506,344 km

• M1: 357,090 km (0.112 R)
• M2: 451,486 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.69 AU - 2.07 AU

Year: 937 Days

Day: 47.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,506,344 km

• M1: 18,251 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.18 AU - 4.04 AU

Year: 2493 Days

Day: 19.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,506,344 km

• M1: 318,344 km (0.096 R)

Asteroid Belt

Center: 6.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.7

Radius: 11.4

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.32 AU - 9.68 AU

Year: 10642 Days

Day: 7.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 101,506,344 km

• M1: 146,157 km (0.051 R)
• M2: 786,436 km (0.091 R)
• M3: 1,730,997 km (0.081 R)
• M4: 2,186,672 km (0.105 R)
• M5: 2,941,693 km (0.084 R)
• M6: 4,029,269 km (0.055 R)
• M7: 5,265,247 km (0.089 R)
• M8: 5,934,248 km (0.106 R)
• M9: 6,619,556 km (0.073 R)
• M10: 10,644,636 km (0.072 R)
• M11: 11,831,546 km (0.107 R)
• M12: 13,230,436 km (0.095 R)
• M13: 13,677,434 km (0.056 R)
• M14: 15,850,194 km (0.106 R)
• M15: 18,958,239 km (0.119 R)
• M16: 19,856,724 km (0.102 R)
• M17: 23,830,043 km (0.062 R)
• M18: 24,302,024 km (0.081 R)
• M19: 28,515,299 km (0.036 R)
• M20: 33,426,896 km (0.096 R)
• M21: 35,222,370 km (0.089 R)
• M22: 38,615,100 km (0.06 R)
• M23: 39,925,129 km (0.094 R)
• M24: 41,808,566 km (0.088 R)
• M25: 49,323,764 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.2

Radius: 11.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.14 AU - 12.68 AU

Year: 12207 Days

Day: 8.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 101,506,344 km

• M1: 146,157 km (0.106 R)
• M2: 591,510 km (0.1 R)
• M3: 1,189,602 km (0.061 R)
• M4: 2,263,117 km (0.052 R)
• M5: 3,041,474 km (0.114 R)
• M6: 8,418,770 km (0.061 R)
• M7: 10,230,998 km (0.109 R)
• M8: 17,859,742 km (0.118 R)
• M9: 19,477,344 km (0.077 R)
• M10: 20,680,858 km (0.074 R)
• M11: 23,628,236 km (0.064 R)
• M12: 28,873,137 km (0.071 R)
• M13: 31,191,306 km (0.065 R)
• M14: 32,346,949 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.2

Radius: 7.1

Gravity: 18.41 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 11.73 AU - 13.41 AU

Year: 16197 Days

Day: 23.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 101,506,344 km

• M1: 90,208 km (0.096 R)
• M2: 355,145 km (0.046 R)
• M3: 597,344 km (0.097 R)
• M4: 965,804 km (0.102 R)
• M5: 1,526,497 km (0.057 R)
• M6: 2,061,010 km (0.094 R)
• M7: 2,350,332 km (0.051 R)
• M8: 3,062,568 km (0.064 R)
• M9: 3,468,875 km (0.061 R)
• M10: 5,424,568 km (0.118 R)
• M11: 6,483,572 km (0.118 R)
• M12: 7,529,859 km (0.101 R)
• M13: 8,168,792 km (0.101 R)
• M14: 11,529,807 km (0.076 R)
• M15: 19,877,518 km (0.103 R)
• M16: 20,714,817 km (0.089 R)
• M17: 23,986,822 km (0.111 R)
• M18: 26,795,671 km (0.1 R)
• M19: 34,628,616 km (0.08 R)
• M20: 36,249,509 km (0.113 R)
• M21: 38,488,690 km (0.09 R)
• M22: 39,062,398 km (0.112 R)
• M23: 42,779,007 km (0.086 R)
• M24: 45,436,613 km (0.08 R)
• M25: 50,391,594 km (0.101 R)
• M26: 51,771,186 km (0.102 R)
• M27: 54,245,983 km (0.114 R)
• M28: 58,859,282 km (0.111 R)
• M29: 64,934,452 km (0.085 R)
• M30: 70,341,368 km (0.052 R)
• M31: 72,280,904 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.6

Radius: 4.6

Gravity: 12.84 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 17.01 AU - 17.67 AU

Year: 26242 Days

Day: 15.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 101,506,344 km

• M1: 214,673 km (0.116 R)
• M2: 380,278 km (0.119 R)
• M3: 2,878,263 km (0.069 R)
• M4: 3,128,540 km (0.055 R)
• M5: 4,537,004 km (0.098 R)
• M6: 4,910,999 km (0.115 R)
• M7: 7,185,934 km (0.1 R)
• M8: 10,250,147 km (0.063 R)
• M9: 11,687,184 km (0.058 R)
• M10: 13,321,541 km (0.115 R)
• M11: 15,476,349 km (0.059 R)
• M12: 16,478,205 km (0.057 R)
• M13: 28,865,508 km (0.115 R)
• M14: 30,498,069 km (0.035 R)
• M15: 36,695,759 km (0.028 R)
• M16: 40,588,296 km (0.114 R)
• M17: 63,252,523 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.3

Radius: 6.3

Gravity: 20.62 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 14.62 AU - 21.76 AU

Year: 28195 Days

Day: 21.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 101,506,344 km

• M1: 108,907 km (0.052 R)
• M2: 394,041 km (0.08 R)
• M3: 699,968 km (0.079 R)
• M4: 1,720,974 km (0.113 R)
• M5: 2,008,950 km (0.045 R)
• M6: 2,234,095 km (0.109 R)
• M7: 2,451,161 km (0.052 R)
• M8: 2,762,474 km (0.104 R)
• M9: 4,279,696 km (0.058 R)
• M10: 4,929,848 km (0.069 R)
• M11: 6,424,780 km (0.118 R)
• M12: 6,716,944 km (0.113 R)
• M13: 7,974,913 km (0.111 R)
• M14: 8,659,622 km (0.088 R)
• M15: 11,649,635 km (0.082 R)
• M16: 13,771,681 km (0.09 R)
• M17: 16,227,779 km (0.091 R)
• M18: 16,587,861 km (0.07 R)
• M19: 20,073,641 km (0.1 R)
• M20: 20,488,775 km (0.072 R)
• M21: 24,722,395 km (0.066 R)
• M22: 26,171,699 km (0.092 R)
• M23: 30,041,048 km (0.083 R)
• M24: 35,317,365 km (0.072 R)
• M25: 36,074,629 km (0.057 R)
• M26: 36,380,557 km (0.065 R)
• M27: 36,997,498 km (0.094 R)
• M28: 38,094,051 km (0.071 R)
• M29: 45,132,182 km (0.111 R)
• M30: 46,023,635 km (0.108 R)
• M31: 53,186,681 km (0.099 R)
• M32: 54,181,207 km (0.06 R)
• M33: 58,073,594 km (0.08 R)
• M34: 59,127,960 km (0.069 R)
• M35: 65,952,016 km (0.101 R)
• M36: 74,513,353 km (0.076 R)
• M37: 76,008,733 km (0.094 R)
• M38: 88,420,569 km (0.102 R)
• M39: 96,420,914 km (0.057 R)

Kuiper Belt

Range: 30.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 17,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit