🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.9 AU - 1.06 AU

Year: 356 Days

Day: 25.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 46.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.89 AU - 1.25 AU

Year: 406 Days

Day: 19.7 Hours

Environment

Temp: 33 °C

Axial Tilt: 13.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.01 AU - 1.35 AU

Year: 471 Days

Day: 12.3 Hours

Environment

Temp: -0 °C

Axial Tilt: 41.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.15 AU - 1.63 AU

Year: 602 Days

Day: 46.2 Hours

Environment

Temp: -30 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.11 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.1

Radius: 8

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.04 AU - 5.6 AU

Year: 3885 Days

Day: 13.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,991,947 km

• M1: 99,483 km (0.053 R)
• M2: 361,428 km (0.087 R)
• M3: 806,931 km (0.082 R)
• M4: 1,378,096 km (0.087 R)
• M5: 3,521,683 km (0.114 R)
• M6: 3,814,746 km (0.052 R)
• M7: 4,308,568 km (0.118 R)
• M8: 4,920,723 km (0.051 R)
• M9: 5,533,775 km (0.098 R)
• M10: 5,873,362 km (0.047 R)
• M11: 6,196,643 km (0.099 R)
• M12: 6,532,041 km (0.1 R)
• M13: 7,272,252 km (0.099 R)
• M14: 8,356,986 km (0.051 R)
• M15: 8,957,322 km (0.094 R)
• M16: 9,386,518 km (0.073 R)
• M17: 10,285,901 km (0.059 R)
• M18: 11,152,372 km (0.118 R)
• M19: 12,493,965 km (0.047 R)
• M20: 12,980,607 km (0.103 R)
• M21: 14,200,279 km (0.117 R)
• M22: 15,942,795 km (0.069 R)
• M23: 19,391,774 km (0.03 R)
• M24: 19,781,626 km (0.085 R)
• M25: 22,372,362 km (0.076 R)
• M26: 24,722,843 km (0.117 R)
• M27: 26,830,079 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 10.9

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.71 AU - 8.95 AU

Year: 7285 Days

Day: 7.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,991,947 km

• M1: 135,536 km (0.099 R)
• M2: 511,026 km (0.065 R)
• M3: 860,487 km (0.119 R)
• M4: 1,354,609 km (0.063 R)
• M5: 2,181,287 km (0.099 R)
• M6: 2,553,935 km (0.095 R)
• M7: 3,665,746 km (0.098 R)
• M8: 4,330,709 km (0.083 R)
• M9: 5,135,246 km (0.087 R)
• M10: 5,934,996 km (0.067 R)
• M11: 6,964,529 km (0.077 R)
• M12: 9,746,750 km (0.091 R)
• M13: 10,224,865 km (0.088 R)
• M14: 12,797,649 km (0.11 R)
• M15: 16,770,819 km (0.068 R)
• M16: 18,379,594 km (0.087 R)
• M17: 19,184,431 km (0.1 R)
• M18: 20,088,900 km (0.03 R)
• M19: 20,864,265 km (0.116 R)
• M20: 21,901,876 km (0.053 R)
• M21: 25,043,132 km (0.094 R)
• M22: 26,123,379 km (0.059 R)
• M23: 27,706,423 km (0.045 R)
• M24: 29,057,442 km (0.07 R)
• M25: 30,553,121 km (0.086 R)
• M26: 31,681,987 km (0.065 R)
• M27: 35,124,533 km (0.045 R)
• M28: 37,981,703 km (0.059 R)
• M29: 38,571,268 km (0.116 R)
• M30: 41,610,648 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.5

Radius: 3.5

Gravity: 31.96 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 15.1 AU - 16.22 AU

Year: 22749 Days

Day: 20.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 64,991,947 km

• M1: 46,675 km (0.076 R)
• M2: 280,197 km (0.12 R)
• M3: 585,376 km (0.1 R)
• M4: 708,047 km (0.101 R)
• M5: 994,078 km (0.09 R)
• M6: 1,337,704 km (0.063 R)
• M7: 2,698,746 km (0.091 R)
• M8: 3,119,864 km (0.063 R)
• M9: 3,786,920 km (0.08 R)
• M10: 4,411,342 km (0.109 R)
• M11: 4,958,122 km (0.098 R)
• M12: 5,510,587 km (0.032 R)
• M13: 5,625,778 km (0.089 R)
• M14: 6,102,845 km (0.059 R)
• M15: 6,309,440 km (0.103 R)
• M16: 6,606,392 km (0.104 R)
• M17: 7,091,837 km (0.096 R)
• M18: 7,274,047 km (0.107 R)
• M19: 8,536,055 km (0.027 R)
• M20: 9,435,736 km (0.099 R)
• M21: 9,600,892 km (0.092 R)
• M22: 9,993,587 km (0.101 R)
• M23: 10,931,266 km (0.099 R)
• M24: 12,912,241 km (0.094 R)
• M25: 14,309,784 km (0.073 R)
• M26: 15,195,105 km (0.118 R)
• M27: 18,069,029 km (0.058 R)
• M28: 19,543,915 km (0.107 R)
• M29: 19,902,202 km (0.079 R)
• M30: 21,664,315 km (0.057 R)
• M31: 22,241,763 km (0.041 R)
• M32: 23,831,539 km (0.073 R)
• M33: 26,464,462 km (0.102 R)
• M34: 29,754,119 km (0.117 R)
• M35: 32,549,206 km (0.088 R)
• M36: 34,986,005 km (0.082 R)
• M37: 38,234,523 km (0.077 R)
• M38: 49,174,914 km (0.086 R)
• M39: 49,505,376 km (0.032 R)
• M40: 50,505,588 km (0.088 R)
• M41: 51,860,196 km (0.08 R)
• M42: 56,069,132 km (0.056 R)
• M43: 57,521,129 km (0.089 R)
• M44: 65,957,402 km (0.093 R)
• M45: 66,762,837 km (0.117 R)
• M46: 68,393,304 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.3

Radius: 6.4

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 14.76 AU - 17.75 AU

Year: 24047 Days

Day: 22.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,991,947 km

• M1: 79,586 km (0.105 R)
• M2: 427,551 km (0.114 R)
• M3: 706,850 km (0.086 R)
• M4: 2,051,136 km (0.091 R)
• M5: 2,498,135 km (0.09 R)
• M6: 2,886,641 km (0.111 R)
• M7: 5,571,473 km (0.087 R)
• M8: 5,994,686 km (0.11 R)
• M9: 6,275,032 km (0.104 R)
• M10: 8,242,394 km (0.11 R)
• M11: 8,639,726 km (0.047 R)
• M12: 9,418,981 km (0.093 R)
• M13: 15,252,550 km (0.057 R)
• M14: 16,543,729 km (0.061 R)
• M15: 16,778,897 km (0.118 R)
• M16: 18,071,273 km (0.119 R)
• M17: 20,131,984 km (0.115 R)
• M18: 22,059,552 km (0.066 R)
• M19: 23,116,611 km (0.099 R)
• M20: 24,714,017 km (0.118 R)
• M21: 26,277,165 km (0.086 R)
• M22: 31,720,733 km (0.095 R)
• M23: 35,478,781 km (0.082 R)
• M24: 36,132,673 km (0.053 R)
• M25: 38,967,104 km (0.087 R)
• M26: 39,244,608 km (0.059 R)
• M27: 39,663,183 km (0.053 R)
• M28: 43,864,639 km (0.117 R)
• M29: 45,840,827 km (0.087 R)
• M30: 46,460,611 km (0.074 R)
• M31: 50,297,198 km (0.072 R)
• M32: 51,122,080 km (0.115 R)
• M33: 52,629,877 km (0.034 R)
• M34: 53,994,808 km (0.106 R)
• M35: 60,801,362 km (0.109 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 12,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit