🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.77 AU - 0.99 AU

Year: 303 Days

Day: 31.4 Hours

Environment

Temp: 97 °C

Axial Tilt: 37.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.28 AU - 1.3 AU

Year: 538 Days

Day: 39.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 128.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.42 AU - 3.68 AU

Year: 1955 Days

Day: 38.1 Hours

Environment

Temp: -101 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.8

Radius: 9.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.85 AU - 5.03 AU

Year: 4031 Days

Day: 6.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 97,441,606 km

• M1: 120,426 km (0.071 R)
• M2: 482,304 km (0.109 R)
• M3: 1,148,463 km (0.108 R)
• M4: 1,840,353 km (0.08 R)
• M5: 2,312,933 km (0.103 R)
• M6: 3,458,404 km (0.079 R)
• M7: 7,472,713 km (0.117 R)
• M8: 8,086,662 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.9

Radius: 10.2

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.19 AU - 9.99 AU

Year: 9242 Days

Day: 7.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 97,441,606 km

• M1: 133,890 km (0.058 R)
• M2: 508,633 km (0.077 R)
• M3: 925,712 km (0.113 R)
• M4: 1,859,950 km (0.056 R)
• M5: 2,218,088 km (0.118 R)
• M6: 2,585,350 km (0.119 R)
• M7: 3,054,938 km (0.116 R)
• M8: 3,489,221 km (0.055 R)
• M9: 4,039,292 km (0.066 R)
• M10: 7,467,926 km (0.091 R)
• M11: 7,817,386 km (0.097 R)
• M12: 8,137,227 km (0.074 R)
• M13: 8,675,779 km (0.07 R)
• M14: 10,434,751 km (0.09 R)
• M15: 10,823,107 km (0.094 R)
• M16: 12,419,914 km (0.03 R)
• M17: 13,817,607 km (0.044 R)
• M18: 14,826,346 km (0.102 R)
• M19: 15,630,135 km (0.118 R)
• M20: 17,257,311 km (0.075 R)
• M21: 20,091,293 km (0.115 R)
• M22: 21,152,541 km (0.068 R)
• M23: 25,861,283 km (0.053 R)
• M24: 26,215,830 km (0.1 R)
• M25: 26,844,141 km (0.07 R)
• M26: 27,482,326 km (0.102 R)
• M27: 30,826,586 km (0.105 R)
• M28: 31,728,512 km (0.119 R)
• M29: 34,432,792 km (0.075 R)
• M30: 35,621,796 km (0.093 R)
• M31: 35,950,911 km (0.106 R)

Asteroid Belt

Center: 11.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.1

Radius: 5.9

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 11.34 AU - 16.6 AU

Year: 19168 Days

Day: 16.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 97,441,606 km

• M1: 76,145 km (0.069 R)
• M2: 304,731 km (0.092 R)
• M3: 689,497 km (0.112 R)
• M4: 1,519,017 km (0.047 R)
• M5: 2,742,578 km (0.103 R)
• M6: 4,087,163 km (0.085 R)
• M7: 6,125,285 km (0.054 R)
• M8: 11,758,093 km (0.108 R)
• M9: 14,122,637 km (0.073 R)
• M10: 14,742,421 km (0.085 R)
• M11: 22,061,348 km (0.104 R)
• M12: 36,611,984 km (0.062 R)
• M13: 42,697,775 km (0.104 R)
• M14: 44,136,009 km (0.114 R)
• M15: 48,026,152 km (0.089 R)
• M16: 54,113,589 km (0.11 R)
• M17: 57,168,527 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.9

Radius: 4.5

Gravity: 46.02 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 14.7 AU - 18.52 AU

Year: 24850 Days

Day: 23.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 97,441,606 km

• M1: 56,548 km (0.045 R)
• M2: 211,980 km (0.08 R)
• M3: 652,845 km (0.1 R)
• M4: 907,311 km (0.096 R)
• M5: 1,180,028 km (0.081 R)
• M6: 1,747,902 km (0.098 R)
• M7: 2,530,747 km (0.117 R)
• M8: 3,399,013 km (0.104 R)
• M9: 3,985,886 km (0.106 R)
• M10: 4,486,889 km (0.075 R)
• M11: 5,150,505 km (0.104 R)
• M12: 5,744,409 km (0.113 R)
• M13: 7,798,836 km (0.076 R)
• M14: 11,373,627 km (0.043 R)
• M15: 13,435,534 km (0.075 R)
• M16: 14,885,138 km (0.104 R)
• M17: 15,994,855 km (0.084 R)
• M18: 16,614,639 km (0.115 R)
• M19: 19,155,559 km (0.099 R)
• M20: 26,924,176 km (0.036 R)
• M21: 30,677,138 km (0.081 R)
• M22: 31,632,619 km (0.102 R)
• M23: 32,327,053 km (0.096 R)
• M24: 40,162,391 km (0.109 R)
• M25: 41,635,481 km (0.045 R)
• M26: 47,888,822 km (0.108 R)
• M27: 48,803,912 km (0.036 R)
• M28: 50,104,665 km (0.115 R)
• M29: 51,619,194 km (0.077 R)
• M30: 56,345,739 km (0.105 R)
• M31: 56,752,196 km (0.084 R)
• M32: 59,231,931 km (0.084 R)
• M33: 62,431,829 km (0.087 R)
• M34: 63,523,594 km (0.084 R)
• M35: 65,520,726 km (0.104 R)
• M36: 66,421,604 km (0.086 R)
• M37: 66,648,095 km (0.041 R)
• M38: 76,384,673 km (0.097 R)
• M39: 85,679,188 km (0.094 R)
• M40: 86,756,144 km (0.114 R)
• M41: 87,842,224 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 18,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit