🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.7 AU - 0.8 AU

Year: 245 Days

Day: 14.5 Hours

Environment

Temp: 163 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.49 AU - 1.51 AU

Year: 692 Days

Day: 18.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,215,232 km

• M1: 742,155 km (0.073 R)
• M2: 1,231,938 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.38 AU - 2.06 AU

Year: 850 Days

Day: 29.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.99 AU - 2.25 AU

Year: 1163 Days

Day: 12.3 Hours

Environment

Temp: -83 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.92 AU - 3 AU

Year: 1454 Days

Day: 25.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,215,232 km

• M1: 1,533,229 km (0.049 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.63 AU - 4.19 AU

Year: 2913 Days

Day: 26.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,215,232 km

• M1: 437,125 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.1

Radius: 14.7

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.65 AU - 8.29 AU

Year: 6932 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 41,215,232 km

• M1: 186,100 km (0.106 R)
• M2: 288,425 km (0.104 R)
• M3: 386,710 km (0.12 R)
• M4: 515,813 km (0.076 R)
• M5: 690,993 km (0.068 R)
• M6: 816,056 km (0.119 R)
• M7: 1,012,030 km (0.099 R)
• M8: 1,346,082 km (0.072 R)
• M9: 1,582,596 km (0.074 R)
• M10: 1,933,253 km (0.101 R)
• M11: 2,223,473 km (0.093 R)
• M12: 2,663,141 km (0.064 R)
• M13: 2,870,035 km (0.11 R)
• M14: 3,034,742 km (0.106 R)
• M15: 3,324,663 km (0.118 R)
• M16: 3,573,295 km (0.047 R)
• M17: 3,905,851 km (0.11 R)
• M18: 4,089,108 km (0.091 R)
• M19: 4,683,909 km (0.067 R)
• M20: 5,335,109 km (0.073 R)
• M21: 5,480,518 km (0.092 R)
• M22: 5,864,835 km (0.048 R)
• M23: 6,166,574 km (0.067 R)
• M24: 6,504,366 km (0.05 R)
• M25: 6,816,726 km (0.117 R)
• M26: 7,166,187 km (0.117 R)
• M27: 7,652,081 km (0.086 R)
• M28: 7,816,489 km (0.119 R)
• M29: 8,283,085 km (0.11 R)
• M30: 8,553,857 km (0.058 R)
• M31: 8,724,548 km (0.109 R)
• M32: 9,034,664 km (0.067 R)
• M33: 9,348,521 km (0.099 R)
• M34: 9,489,292 km (0.08 R)
• M35: 10,203,024 km (0.101 R)
• M36: 10,311,632 km (0.062 R)
• M37: 10,566,546 km (0.063 R)
• M38: 10,971,358 km (0.105 R)
• M39: 11,796,241 km (0.046 R)
• M40: 11,910,234 km (0.09 R)
• M41: 12,062,824 km (0.091 R)
• M42: 12,408,695 km (0.112 R)
• M43: 12,602,274 km (0.061 R)
• M44: 13,188,847 km (0.061 R)
• M45: 14,146,124 km (0.061 R)
• M46: 14,715,045 km (0.082 R)
• M47: 15,415,761 km (0.091 R)
• M48: 16,678,966 km (0.102 R)
• M49: 17,409,452 km (0.09 R)
• M50: 17,626,369 km (0.119 R)
• M51: 17,800,501 km (0.049 R)
• M52: 18,062,746 km (0.114 R)
• M53: 18,370,469 km (0.104 R)
• M54: 18,546,994 km (0.096 R)
• M55: 19,169,471 km (0.079 R)
• M56: 20,572,250 km (0.074 R)
• M57: 21,401,771 km (0.1 R)
• M58: 22,054,765 km (0.09 R)
• M59: 25,317,944 km (0.096 R)
• M60: 25,416,229 km (0.067 R)
• M61: 26,455,486 km (0.113 R)
• M62: 26,605,084 km (0.119 R)
• M63: 26,705,015 km (0.11 R)
• M64: 27,710,762 km (0.101 R)
• M65: 27,812,039 km (0.071 R)
• M66: 28,831,549 km (0.106 R)
• M67: 30,488,046 km (0.077 R)
• M68: 31,012,087 km (0.074 R)
• M69: 33,568,565 km (0.104 R)
• M70: 34,055,357 km (0.104 R)
• M71: 34,817,408 km (0.111 R)
• M72: 35,365,086 km (0.072 R)
• M73: 35,529,943 km (0.11 R)
• M74: 35,640,047 km (0.066 R)
• M75: 37,360,423 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.4

Radius: 7.6

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 18.23 AU - 19.31 AU

Year: 30635 Days

Day: 18.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 41,215,232 km

• M1: 352,303 km (0.113 R)
• M2: 474,076 km (0.118 R)
• M3: 526,884 km (0.027 R)
• M4: 610,509 km (0.111 R)
• M5: 1,317,658 km (0.049 R)
• M6: 1,825,244 km (0.115 R)
• M7: 2,318,169 km (0.069 R)
• M8: 2,435,753 km (0.099 R)
• M9: 3,419,807 km (0.113 R)
• M10: 4,719,364 km (0.092 R)
• M11: 4,989,837 km (0.12 R)
• M12: 5,203,762 km (0.092 R)
• M13: 5,640,737 km (0.061 R)
• M14: 5,831,624 km (0.116 R)
• M15: 6,450,062 km (0.108 R)
• M16: 7,329,847 km (0.093 R)
• M17: 8,210,829 km (0.107 R)
• M18: 8,354,891 km (0.11 R)
• M19: 9,125,021 km (0.104 R)
• M20: 9,499,764 km (0.04 R)
• M21: 9,803,148 km (0.077 R)
• M22: 10,341,701 km (0.046 R)
• M23: 11,327,252 km (0.065 R)
• M24: 11,608,496 km (0.062 R)
• M25: 11,851,443 km (0.07 R)
• M26: 13,007,385 km (0.087 R)
• M27: 13,428,952 km (0.114 R)
• M28: 13,726,652 km (0.078 R)
• M29: 14,328,634 km (0.104 R)
• M30: 14,502,167 km (0.111 R)
• M31: 15,247,763 km (0.104 R)
• M32: 15,513,898 km (0.066 R)
• M33: 15,915,867 km (0.105 R)
• M34: 16,095,684 km (0.105 R)
• M35: 16,230,920 km (0.113 R)
• M36: 16,321,427 km (0.117 R)
• M37: 16,958,863 km (0.064 R)
• M38: 17,743,953 km (0.077 R)
• M39: 18,919,792 km (0.088 R)
• M40: 19,493,051 km (0.114 R)
• M41: 19,685,434 km (0.118 R)
• M42: 21,049,767 km (0.047 R)
• M43: 21,197,719 km (0.118 R)
• M44: 21,793,119 km (0.066 R)
• M45: 22,293,374 km (0.065 R)
• M46: 22,343,639 km (0.1 R)
• M47: 23,050,938 km (0.033 R)
• M48: 23,152,664 km (0.108 R)
• M49: 23,611,930 km (0.114 R)
• M50: 24,022,725 km (0.094 R)
• M51: 25,900,328 km (0.093 R)
• M52: 26,111,860 km (0.112 R)
• M53: 26,376,947 km (0.108 R)
• M54: 26,430,204 km (0.076 R)
• M55: 27,716,446 km (0.04 R)
• M56: 27,878,610 km (0.119 R)
• M57: 29,077,787 km (0.06 R)
• M58: 29,187,741 km (0.075 R)
• M59: 29,794,361 km (0.074 R)
• M60: 30,349,518 km (0.07 R)
• M61: 30,516,769 km (0.069 R)
• M62: 31,695,750 km (0.109 R)
• M63: 34,040,247 km (0.028 R)
• M64: 34,098,142 km (0.117 R)
• M65: 36,499,188 km (0.082 R)
• M66: 36,677,060 km (0.12 R)
• M67: 37,630,297 km (0.111 R)
• M68: 38,230,185 km (0.107 R)
• M69: 38,591,613 km (0.03 R)
• M70: 40,599,965 km (0.106 R)
• M71: 41,091,992 km (0.087 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 15,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit