🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.62 AU - 0.84 AU

Year: 221 Days

Day: 35.3 Hours

Environment

Temp: 200 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,077,953 km

• M1: 30,668 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.83 AU - 0.91 AU

Year: 288 Days

Day: 19.2 Hours

Environment

Temp: 97 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,077,953 km

• M1: 105,167 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.74 AU - 1.98 AU

Year: 900 Days

Day: 25.3 Hours

Environment

Temp: -43 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.05 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.73 AU - 4.73 AU

Year: 3086 Days

Day: 42.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.2

Radius: 13.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.61 AU - 9.97 AU

Year: 9245 Days

Day: 12.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,077,953 km

• M1: 180,565 km (0.1 R)
• M2: 680,222 km (0.115 R)
• M3: 1,233,734 km (0.078 R)
• M4: 1,825,244 km (0.113 R)
• M5: 5,033,669 km (0.101 R)
• M6: 6,281,914 km (0.064 R)
• M7: 7,170,974 km (0.044 R)
• M8: 9,291,973 km (0.079 R)
• M9: 10,100,250 km (0.062 R)
• M10: 13,810,875 km (0.104 R)
• M11: 15,378,212 km (0.035 R)
• M12: 18,567,489 km (0.047 R)
• M13: 19,543,316 km (0.116 R)
• M14: 22,091,118 km (0.036 R)
• M15: 25,486,540 km (0.088 R)
• M16: 26,503,956 km (0.116 R)
• M17: 28,817,487 km (0.108 R)
• M18: 38,095,247 km (0.115 R)
• M19: 39,425,023 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.9

Radius: 5

Gravity: 39.36 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 13.32 AU - 21.54 AU

Year: 25816 Days

Day: 20.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,077,953 km

• M1: 62,233 km (0.077 R)
• M2: 260,899 km (0.116 R)
• M3: 494,571 km (0.087 R)
• M4: 737,966 km (0.076 R)
• M5: 1,670,559 km (0.072 R)
• M6: 3,784,377 km (0.113 R)
• M7: 4,130,846 km (0.116 R)
• M8: 4,460,560 km (0.076 R)
• M9: 7,760,539 km (0.113 R)
• M10: 8,726,493 km (0.087 R)
• M11: 10,622,346 km (0.098 R)
• M12: 11,031,945 km (0.05 R)
• M13: 12,624,415 km (0.063 R)
• M14: 15,290,847 km (0.106 R)
• M15: 15,989,469 km (0.072 R)
• M16: 18,799,815 km (0.115 R)
• M17: 19,499,933 km (0.046 R)
• M18: 20,113,583 km (0.045 R)
• M19: 21,487,490 km (0.081 R)
• M20: 23,837,074 km (0.09 R)
• M21: 24,775,502 km (0.108 R)
• M22: 27,228,757 km (0.076 R)
• M23: 32,185,383 km (0.098 R)
• M24: 35,400,242 km (0.117 R)
• M25: 36,159,601 km (0.061 R)
• M26: 41,613,939 km (0.098 R)
• M27: 42,800,998 km (0.096 R)
• M28: 43,836,365 km (0.088 R)
• M29: 44,360,257 km (0.087 R)
• M30: 46,136,731 km (0.093 R)
• M31: 47,225,056 km (0.092 R)
• M32: 49,076,778 km (0.113 R)
• M33: 50,592,504 km (0.117 R)
• M34: 53,717,304 km (0.112 R)
• M35: 53,916,718 km (0.028 R)
• M36: 60,563,501 km (0.111 R)
• M37: 63,412,742 km (0.114 R)
• M38: 71,044,178 km (0.091 R)
• M39: 75,954,728 km (0.101 R)
• M40: 77,470,753 km (0.085 R)
• M41: 89,490,194 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.5

Radius: 3.1

Gravity: 37.51 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 13.26 AU - 21.72 AU

Year: 25949 Days

Day: 16.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,077,953 km

• M1: 38,596 km (0.118 R)
• M2: 210,335 km (0.081 R)
• M3: 493,523 km (0.099 R)
• M4: 848,519 km (0.072 R)
• M5: 1,099,544 km (0.098 R)
• M6: 1,801,607 km (0.079 R)
• M7: 2,172,610 km (0.115 R)
• M8: 2,784,465 km (0.119 R)
• M9: 3,952,226 km (0.077 R)
• M10: 5,927,068 km (0.091 R)
• M11: 8,268,574 km (0.061 R)
• M12: 8,578,989 km (0.074 R)
• M13: 11,160,450 km (0.059 R)
• M14: 12,124,309 km (0.107 R)
• M15: 16,132,634 km (0.09 R)
• M16: 16,293,153 km (0.045 R)
• M17: 17,194,480 km (0.112 R)
• M18: 21,421,218 km (0.066 R)
• M19: 31,347,635 km (0.112 R)
• M20: 34,037,256 km (0.038 R)
• M21: 38,424,961 km (0.055 R)
• M22: 40,902,302 km (0.119 R)
• M23: 49,474,260 km (0.098 R)
• M24: 53,106,945 km (0.113 R)
• M25: 72,859,100 km (0.046 R)

Kuiper Belt

Range: 30.9 - 53.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 11,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit