🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.41 AU - 0.63 AU

Year: 137 Days

Day: 46.7 Hours

Environment

Temp: 197 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 92,380,689 km

• M1: 48,021 km (0.06 R)
• M2: 71,657 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.98 AU - 1.24 AU

Year: 427 Days

Day: 31 Hours

Environment

Temp: 29 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 92,380,689 km

• M1: 17,204 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.08 AU - 1.43 AU

Year: 510 Days

Day: 12.7 Hours

Environment

Temp: 13 °C

Axial Tilt: 23 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.11 AU - 1.55 AU

Year: 560 Days

Day: 29.4 Hours

Environment

Temp: -6 °C

Axial Tilt: 38.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.56 AU - 3.18 AU

Year: 1776 Days

Day: 17.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.21 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.6

Radius: 11.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 10.74 AU - 12.34 AU

Year: 14319 Days

Day: 13 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,380,689 km

• M1: 146,756 km (0.116 R)
• M2: 851,361 km (0.061 R)
• M3: 2,086,741 km (0.104 R)
• M4: 3,720,649 km (0.112 R)
• M5: 4,860,136 km (0.088 R)
• M6: 5,463,613 km (0.084 R)
• M7: 6,287,898 km (0.079 R)
• M8: 8,308,067 km (0.08 R)
• M9: 9,039,152 km (0.095 R)
• M10: 10,239,825 km (0.049 R)
• M11: 11,596,079 km (0.086 R)
• M12: 13,068,720 km (0.116 R)
• M13: 15,221,733 km (0.116 R)
• M14: 16,984,594 km (0.087 R)
• M15: 17,670,800 km (0.109 R)
• M16: 20,679,362 km (0.116 R)
• M17: 26,396,095 km (0.116 R)
• M18: 28,642,158 km (0.043 R)
• M19: 30,709,600 km (0.077 R)
• M20: 39,858,258 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.4

Radius: 3.3

Gravity: 61.38 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 12.15 AU - 17.63 AU

Year: 20986 Days

Day: 18.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 92,380,689 km

• M1: 41,289 km (0.034 R)
• M2: 336,745 km (0.04 R)
• M3: 534,214 km (0.076 R)
• M4: 859,141 km (0.08 R)
• M5: 1,117,795 km (0.106 R)
• M6: 1,229,096 km (0.094 R)
• M7: 1,714,541 km (0.026 R)
• M8: 1,901,688 km (0.064 R)
• M9: 2,186,373 km (0.109 R)
• M10: 3,295,342 km (0.11 R)
• M11: 5,331,070 km (0.069 R)
• M12: 6,364,193 km (0.106 R)
• M13: 6,721,283 km (0.092 R)
• M14: 8,179,413 km (0.074 R)
• M15: 9,037,357 km (0.086 R)
• M16: 11,441,096 km (0.1 R)
• M17: 11,834,987 km (0.106 R)
• M18: 12,929,295 km (0.111 R)
• M19: 13,940,577 km (0.113 R)
• M20: 17,033,812 km (0.096 R)
• M21: 18,874,913 km (0.084 R)
• M22: 20,363,561 km (0.117 R)
• M23: 21,530,126 km (0.109 R)
• M24: 25,295,953 km (0.109 R)
• M25: 26,871,518 km (0.052 R)
• M26: 27,918,254 km (0.114 R)
• M27: 28,036,287 km (0.088 R)
• M28: 30,716,183 km (0.083 R)
• M29: 34,097,543 km (0.108 R)
• M30: 34,502,954 km (0.105 R)
• M31: 35,599,805 km (0.11 R)
• M32: 38,152,244 km (0.1 R)
• M33: 39,176,990 km (0.066 R)
• M34: 40,824,062 km (0.109 R)
• M35: 41,128,494 km (0.088 R)
• M36: 51,154,393 km (0.053 R)
• M37: 53,120,110 km (0.09 R)
• M38: 54,580,933 km (0.11 R)
• M39: 56,444,324 km (0.093 R)
• M40: 56,821,909 km (0.061 R)
• M41: 57,011,449 km (0.077 R)
• M42: 58,349,602 km (0.056 R)
• M43: 64,734,140 km (0.046 R)
• M44: 64,940,884 km (0.094 R)
• M45: 70,034,393 km (0.06 R)
• M46: 77,929,869 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.1

Radius: 4

Gravity: 39.13 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 17.05 AU - 19.03 AU

Year: 27986 Days

Day: 18.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 92,380,689 km

• M1: 50,863 km (0.064 R)
• M2: 314,156 km (0.103 R)
• M3: 1,101,489 km (0.103 R)
• M4: 1,390,961 km (0.107 R)
• M5: 2,747,514 km (0.11 R)
• M6: 3,075,283 km (0.103 R)
• M7: 3,974,666 km (0.106 R)
• M8: 4,466,095 km (0.11 R)
• M9: 5,359,942 km (0.117 R)
• M10: 5,958,932 km (0.095 R)
• M11: 6,183,329 km (0.064 R)
• M12: 7,037,981 km (0.089 R)
• M13: 7,702,346 km (0.094 R)
• M14: 8,407,400 km (0.118 R)
• M15: 10,583,301 km (0.089 R)
• M16: 12,514,909 km (0.105 R)
• M17: 13,182,564 km (0.108 R)
• M18: 14,832,180 km (0.104 R)
• M19: 15,495,198 km (0.096 R)
• M20: 23,246,911 km (0.073 R)
• M21: 24,710,427 km (0.111 R)
• M22: 25,758,809 km (0.057 R)
• M23: 27,943,985 km (0.072 R)
• M24: 31,991,505 km (0.108 R)
• M25: 33,940,915 km (0.083 R)
• M26: 34,944,716 km (0.09 R)
• M27: 40,580,816 km (0.085 R)
• M28: 42,531,123 km (0.114 R)
• M29: 43,865,536 km (0.098 R)
• M30: 44,543,065 km (0.08 R)
• M31: 48,394,911 km (0.071 R)
• M32: 48,575,027 km (0.104 R)
• M33: 49,118,217 km (0.105 R)
• M34: 60,640,544 km (0.094 R)
• M35: 61,270,202 km (0.084 R)
• M36: 62,329,354 km (0.1 R)
• M37: 66,021,729 km (0.089 R)
• M38: 68,941,730 km (0.061 R)
• M39: 87,484,087 km (0.12 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 16,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit