🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.49 AU - 0.51 AU

Year: 136 Days

Day: 35.4 Hours

Environment

Temp: 146 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,690,103 km

• M1: 90,058 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.78 AU - 1.16 AU

Year: 368 Days

Day: 33.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.42 AU - 1.54 AU

Year: 693 Days

Day: 44.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.54 AU - 2.04 AU

Year: 922 Days

Day: 30.5 Hours

Environment

Temp: -71 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,690,103 km

• M1: 350,657 km (0.074 R)

Asteroid Belt

Center: 3.03 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.9

Radius: 13.4

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.48 AU - 5.04 AU

Year: 3385 Days

Day: 11.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 179.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,690,103 km

• M1: 166,652 km (0.059 R)
• M2: 655,687 km (0.084 R)
• M3: 1,148,912 km (0.12 R)
• M4: 1,732,343 km (0.078 R)
• M5: 2,797,031 km (0.12 R)
• M6: 3,554,745 km (0.085 R)
• M7: 9,527,140 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 11.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.49 AU - 5.52 AU

Year: 4305 Days

Day: 14.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,690,103 km

• M1: 143,016 km (0.102 R)
• M2: 631,453 km (0.119 R)
• M3: 1,294,470 km (0.118 R)
• M4: 1,738,028 km (0.09 R)
• M5: 2,311,736 km (0.108 R)
• M6: 2,691,864 km (0.12 R)
• M7: 3,078,575 km (0.082 R)
• M8: 3,779,740 km (0.12 R)
• M9: 4,990,884 km (0.094 R)
• M10: 5,959,530 km (0.097 R)
• M11: 6,712,307 km (0.084 R)
• M12: 8,442,406 km (0.057 R)
• M13: 9,737,026 km (0.078 R)
• M14: 11,898,715 km (0.112 R)
• M15: 13,330,068 km (0.088 R)
• M16: 14,464,020 km (0.108 R)
• M17: 15,028,602 km (0.03 R)
• M18: 18,489,998 km (0.075 R)
• M19: 20,469,626 km (0.063 R)
• M20: 22,655,102 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.9

Radius: 11.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.06 AU - 6.38 AU

Year: 5267 Days

Day: 13.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,690,103 km

• M1: 148,251 km (0.081 R)
• M2: 741,856 km (0.102 R)
• M3: 1,289,833 km (0.109 R)
• M4: 1,665,323 km (0.111 R)
• M5: 2,394,314 km (0.061 R)
• M6: 4,001,743 km (0.118 R)
• M7: 4,409,996 km (0.064 R)
• M8: 5,116,098 km (0.118 R)
• M9: 5,835,813 km (0.099 R)
• M10: 6,887,785 km (0.076 R)
• M11: 8,099,678 km (0.102 R)
• M12: 8,876,240 km (0.115 R)
• M13: 9,365,575 km (0.062 R)
• M14: 11,745,976 km (0.115 R)
• M15: 13,683,717 km (0.094 R)
• M16: 15,069,592 km (0.05 R)
• M17: 15,708,225 km (0.094 R)
• M18: 16,425,248 km (0.107 R)
• M19: 17,732,733 km (0.105 R)
• M20: 21,703,210 km (0.117 R)
• M21: 23,739,237 km (0.097 R)
• M22: 25,246,286 km (0.068 R)
• M23: 26,147,464 km (0.113 R)
• M24: 28,979,800 km (0.111 R)
• M25: 30,332,464 km (0.109 R)
• M26: 30,885,228 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827

Radius: 5

Gravity: 33.08 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 12.2 AU - 14.5 AU

Year: 18780 Days

Day: 24.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,690,103 km

• M1: 126,709 km (0.093 R)
• M2: 368,310 km (0.054 R)
• M3: 888,761 km (0.1 R)
• M4: 1,676,543 km (0.093 R)
• M5: 1,955,394 km (0.105 R)
• M6: 2,330,286 km (0.068 R)
• M7: 3,333,789 km (0.088 R)
• M8: 3,744,734 km (0.119 R)
• M9: 5,530,633 km (0.118 R)
• M10: 7,135,968 km (0.041 R)
• M11: 7,867,202 km (0.083 R)
• M12: 9,477,474 km (0.092 R)
• M13: 10,178,938 km (0.107 R)
• M14: 10,665,431 km (0.088 R)
• M15: 11,040,323 km (0.042 R)
• M16: 14,063,247 km (0.069 R)
• M17: 15,365,496 km (0.079 R)
• M18: 15,924,394 km (0.099 R)
• M19: 16,496,756 km (0.049 R)
• M20: 17,595,702 km (0.101 R)
• M21: 19,105,443 km (0.037 R)
• M22: 21,976,526 km (0.118 R)
• M23: 22,891,017 km (0.111 R)
• M24: 25,342,478 km (0.059 R)
• M25: 31,518,925 km (0.069 R)
• M26: 33,074,144 km (0.108 R)
• M27: 43,020,458 km (0.102 R)
• M28: 46,733,028 km (0.03 R)
• M29: 48,072,677 km (0.094 R)
• M30: 48,411,666 km (0.083 R)
• M31: 52,424,180 km (0.113 R)
• M32: 55,528,635 km (0.077 R)
• M33: 57,031,047 km (0.12 R)
• M34: 59,725,155 km (0.106 R)
• M35: 63,923,320 km (0.099 R)
• M36: 65,781,176 km (0.054 R)
• M37: 70,911,036 km (0.03 R)
• M38: 71,570,464 km (0.039 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 20,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit