🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.82 AU - 0.96 AU

Year: 305 Days

Day: 17.3 Hours

Environment

Temp: 171 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 92,630,480 km

• M1: 29,321 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.16 AU - 1.24 AU

Year: 478 Days

Day: 46.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 92,630,480 km

• M1: 153,487 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.75 AU - 1.97 AU

Year: 922 Days

Day: 20 Hours

Environment

Temp: -51 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,630,480 km

• M1: 119,230 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.87 AU - 2.29 AU

Year: 1090 Days

Day: 45.8 Hours

Environment

Temp: -78 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,630,480 km

• M1: 29,172 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.85 AU - 2.43 AU

Year: 1138 Days

Day: 45 Hours

Environment

Temp: -71 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.24 AU - 5.32 AU

Year: 3218 Days

Day: 40.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.17 AU - 5.31 AU

Year: 3751 Days

Day: 44.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.5

Radius: 10.1

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4 AU - 5.88 AU

Year: 3990 Days

Day: 11.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 92,630,480 km

• M1: 125,662 km (0.082 R)
• M2: 457,321 km (0.083 R)
• M3: 911,799 km (0.083 R)
• M4: 1,745,358 km (0.059 R)
• M5: 2,169,468 km (0.119 R)
• M6: 2,779,080 km (0.103 R)
• M7: 3,133,926 km (0.105 R)
• M8: 5,021,253 km (0.08 R)
• M9: 5,415,144 km (0.099 R)
• M10: 5,745,007 km (0.113 R)
• M11: 6,295,078 km (0.098 R)
• M12: 6,691,363 km (0.11 R)
• M13: 7,039,627 km (0.1 R)
• M14: 8,592,602 km (0.093 R)
• M15: 9,667,314 km (0.119 R)
• M16: 12,082,272 km (0.045 R)
• M17: 12,410,041 km (0.116 R)
• M18: 14,087,482 km (0.091 R)
• M19: 14,503,214 km (0.082 R)
• M20: 15,034,436 km (0.096 R)
• M21: 15,967,030 km (0.108 R)
• M22: 16,362,118 km (0.062 R)
• M23: 18,374,658 km (0.117 R)
• M24: 18,746,259 km (0.112 R)
• M25: 20,414,724 km (0.091 R)
• M26: 21,971,439 km (0.116 R)
• M27: 22,672,305 km (0.079 R)
• M28: 23,897,811 km (0.098 R)
• M29: 24,266,570 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.9

Radius: 12.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 10.9 AU - 12.72 AU

Year: 14750 Days

Day: 14.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 92,630,480 km

• M1: 156,779 km (0.046 R)
• M2: 637,736 km (0.103 R)
• M3: 1,554,172 km (0.055 R)
• M4: 2,059,065 km (0.097 R)
• M5: 2,780,276 km (0.08 R)
• M6: 3,385,101 km (0.06 R)
• M7: 4,833,058 km (0.115 R)
• M8: 6,760,328 km (0.085 R)
• M9: 7,673,922 km (0.117 R)
• M10: 8,199,010 km (0.066 R)
• M11: 8,909,451 km (0.101 R)
• M12: 10,140,043 km (0.109 R)
• M13: 11,289,104 km (0.116 R)
• M14: 13,146,511 km (0.068 R)
• M15: 15,199,892 km (0.114 R)
• M16: 16,827,516 km (0.071 R)
• M17: 18,971,254 km (0.11 R)
• M18: 21,145,509 km (0.078 R)
• M19: 21,880,933 km (0.103 R)
• M20: 23,170,466 km (0.108 R)
• M21: 28,127,990 km (0.044 R)
• M22: 28,659,661 km (0.08 R)
• M23: 30,018,010 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.9

Radius: 4.4

Gravity: 44.31 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 15.6 AU - 17.08 AU

Year: 24005 Days

Day: 22.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,630,480 km

• M1: 96,939 km (0.098 R)
• M2: 1,151,904 km (0.07 R)
• M3: 1,501,215 km (0.118 R)
• M4: 2,022,264 km (0.103 R)
• M5: 3,003,776 km (0.112 R)
• M6: 3,597,829 km (0.098 R)
• M7: 4,630,802 km (0.073 R)
• M8: 4,782,046 km (0.065 R)
• M9: 5,054,762 km (0.106 R)
• M10: 5,935,296 km (0.088 R)
• M11: 6,528,900 km (0.113 R)
• M12: 9,851,469 km (0.064 R)
• M13: 11,147,435 km (0.082 R)
• M14: 14,230,946 km (0.091 R)
• M15: 18,024,150 km (0.086 R)
• M16: 18,210,998 km (0.117 R)
• M17: 18,493,588 km (0.075 R)
• M18: 21,905,317 km (0.05 R)
• M19: 23,424,184 km (0.073 R)
• M20: 28,148,186 km (0.095 R)
• M21: 34,035,760 km (0.077 R)
• M22: 37,265,278 km (0.104 R)
• M23: 39,896,406 km (0.099 R)
• M24: 41,826,517 km (0.086 R)
• M25: 42,154,137 km (0.092 R)
• M26: 66,646,599 km (0.1 R)
• M27: 67,767,686 km (0.095 R)
• M28: 68,673,501 km (0.05 R)
• M29: 69,587,394 km (0.068 R)
• M30: 71,439,416 km (0.087 R)
• M31: 81,449,009 km (0.108 R)
• M32: 84,546,134 km (0.062 R)
• M33: 86,919,804 km (0.094 R)
• M34: 87,453,270 km (0.109 R)
• M35: 91,248,717 km (0.063 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 16,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit