🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.8 AU - 0.9 AU

Year: 289 Days

Day: 35.6 Hours

Environment

Temp: 127 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 112,210,520 km

• M1: 595,100 km (0.117 R)
• M2: 781,350 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.14 AU - 1.38 AU

Year: 522 Days

Day: 14.1 Hours

Environment

Temp: -11 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.17 AU - 1.91 AU

Year: 705 Days

Day: 43.6 Hours

Environment

Temp: -35 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.26 AU - 2.66 AU

Year: 1424 Days

Day: 32.4 Hours

Environment

Temp: -98 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.35 AU - 3.85 AU

Year: 2014 Days

Day: 26.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.96 AU - 3.94 AU

Year: 2364 Days

Day: 20.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 19.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860

Radius: 3.5

Gravity: 70.2 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 17.23 AU - 21.93 AU

Year: 31967 Days

Day: 17.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 112,210,520 km

• M1: 47,123 km (0.041 R)
• M2: 83,176 km (0.103 R)
• M3: 172,935 km (0.12 R)
• M4: 270,473 km (0.072 R)
• M5: 360,830 km (0.106 R)
• M6: 809,624 km (0.111 R)
• M7: 1,902,287 km (0.084 R)
• M8: 2,120,849 km (0.031 R)
• M9: 2,629,332 km (0.073 R)
• M10: 2,921,946 km (0.068 R)
• M11: 2,971,612 km (0.074 R)
• M12: 3,224,732 km (0.08 R)
• M13: 3,379,865 km (0.077 R)
• M14: 3,643,905 km (0.089 R)
• M15: 4,079,983 km (0.095 R)
• M16: 6,559,867 km (0.109 R)
• M17: 7,088,097 km (0.072 R)
• M18: 8,114,637 km (0.089 R)
• M19: 8,896,585 km (0.108 R)
• M20: 9,041,247 km (0.078 R)
• M21: 9,333,112 km (0.072 R)
• M22: 9,627,969 km (0.09 R)
• M23: 10,076,015 km (0.089 R)
• M24: 10,226,959 km (0.088 R)
• M25: 10,683,981 km (0.104 R)
• M26: 11,460,543 km (0.08 R)
• M27: 12,174,724 km (0.1 R)
• M28: 13,479,666 km (0.113 R)
• M29: 13,812,820 km (0.113 R)
• M30: 14,572,179 km (0.103 R)
• M31: 17,019,750 km (0.101 R)
• M32: 17,833,113 km (0.094 R)
• M33: 18,198,731 km (0.083 R)
• M34: 18,937,146 km (0.064 R)
• M35: 21,987,297 km (0.098 R)
• M36: 24,575,041 km (0.118 R)
• M37: 24,778,045 km (0.096 R)
• M38: 25,288,024 km (0.081 R)
• M39: 25,595,747 km (0.043 R)
• M40: 26,214,783 km (0.117 R)
• M41: 26,318,454 km (0.103 R)
• M42: 29,490,527 km (0.119 R)
• M43: 29,922,566 km (0.103 R)
• M44: 35,381,093 km (0.048 R)
• M45: 36,647,888 km (0.075 R)
• M46: 37,695,372 km (0.114 R)
• M47: 38,399,081 km (0.087 R)
• M48: 40,896,168 km (0.112 R)
• M49: 41,740,199 km (0.105 R)
• M50: 42,711,688 km (0.031 R)
• M51: 42,955,682 km (0.101 R)
• M52: 44,553,387 km (0.08 R)
• M53: 48,822,462 km (0.049 R)
• M54: 52,434,951 km (0.112 R)
• M55: 53,614,231 km (0.099 R)
• M56: 54,934,732 km (0.074 R)
• M57: 55,200,118 km (0.079 R)
• M58: 57,338,470 km (0.048 R)
• M59: 58,553,205 km (0.06 R)
• M60: 59,912,750 km (0.052 R)
• M61: 61,007,956 km (0.057 R)
• M62: 61,833,587 km (0.049 R)
• M63: 62,386,202 km (0.107 R)
• M64: 63,635,344 km (0.098 R)
• M65: 64,612,517 km (0.11 R)
• M66: 65,032,887 km (0.117 R)
• M67: 66,581,824 km (0.037 R)
• M68: 67,006,382 km (0.04 R)
• M69: 67,431,988 km (0.117 R)
• M70: 68,285,594 km (0.11 R)
• M71: 68,428,160 km (0.075 R)
• M72: 68,713,743 km (0.101 R)
• M73: 70,579,228 km (0.106 R)
• M74: 71,880,580 km (0.119 R)
• M75: 72,461,469 km (0.103 R)
• M76: 73,189,711 km (0.097 R)
• M77: 74,947,486 km (0.102 R)
• M78: 75,831,609 km (0.076 R)
• M79: 78,355,326 km (0.083 R)
• M80: 79,702,454 km (0.111 R)
• M81: 80,153,193 km (0.088 R)
• M82: 80,755,623 km (0.053 R)
• M83: 82,267,908 km (0.104 R)
• M84: 83,332,147 km (0.062 R)
• M85: 84,860,439 km (0.099 R)
• M86: 85,167,115 km (0.109 R)
• M87: 87,015,397 km (0.104 R)
• M88: 92,165,752 km (0.117 R)
• M89: 95,494,305 km (0.039 R)
• M90: 97,413,945 km (0.069 R)
• M91: 99,831,446 km (0.106 R)
• M92: 100,317,191 km (0.059 R)
• M93: 104,068,058 km (0.113 R)
• M94: 110,699,732 km (0.07 R)
• M95: 110,867,281 km (0.069 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 16,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit