🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.57 AU - 0.59 AU

Year: 158 Days

Day: 13.5 Hours

Environment

Temp: 189 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.67 AU - 0.81 AU

Year: 228 Days

Day: 12.7 Hours

Environment

Temp: 183 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.73 AU - 0.87 AU

Year: 256 Days

Day: 35.8 Hours

Environment

Temp: 100 °C

Axial Tilt: 4.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.77 AU - 0.95 AU

Year: 286 Days

Day: 26.8 Hours

Environment

Temp: 122 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.85 AU - 0.89 AU

Year: 291 Days

Day: 35.1 Hours

Environment

Temp: 138 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 51,695,195 km

• M1: 700,417 km (0.076 R)
• M2: 727,644 km (0.102 R)

Planet 6 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.85 AU - 0.91 AU

Year: 296 Days

Day: 30.7 Hours

Environment

Temp: 111 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 7 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.91 AU - 1.25 AU

Year: 402 Days

Day: 31.4 Hours

Environment

Temp: 16 °C

Axial Tilt: 5.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 8 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.32 AU - 1.98 AU

Year: 759 Days

Day: 30.9 Hours

Environment

Temp: -38 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.5 AU - 2.72 AU

Year: 1510 Days

Day: 37.8 Hours

Environment

Temp: -83 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Ice Giant

Semi-Major Axis: 18.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.1

Radius: 3.9

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 16.48 AU - 20.84 AU

Year: 28870 Days

Day: 20.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 51,695,195 km

• M1: 56,997 km (0.107 R)
• M2: 116,387 km (0.077 R)
• M3: 493,075 km (0.106 R)
• M4: 788,680 km (0.119 R)
• M5: 884,722 km (0.097 R)
• M6: 1,046,288 km (0.052 R)
• M7: 1,305,840 km (0.112 R)
• M8: 1,633,010 km (0.087 R)
• M9: 1,958,535 km (0.084 R)
• M10: 1,984,416 km (0.102 R)
• M11: 2,497,237 km (0.114 R)
• M12: 2,870,634 km (0.077 R)
• M13: 2,929,725 km (0.05 R)
• M14: 2,989,115 km (0.051 R)
• M15: 3,169,680 km (0.099 R)
• M16: 3,992,618 km (0.087 R)
• M17: 4,427,499 km (0.062 R)
• M18: 4,598,788 km (0.045 R)
• M19: 4,807,178 km (0.098 R)
• M20: 5,197,180 km (0.077 R)
• M21: 7,254,150 km (0.038 R)
• M22: 7,375,025 km (0.073 R)
• M23: 7,659,561 km (0.114 R)
• M24: 9,092,409 km (0.056 R)
• M25: 10,742,623 km (0.094 R)
• M26: 10,972,555 km (0.113 R)
• M27: 11,956,161 km (0.039 R)
• M28: 13,557,606 km (0.062 R)
• M29: 13,706,606 km (0.067 R)
• M30: 13,955,985 km (0.119 R)
• M31: 14,056,066 km (0.117 R)
• M32: 14,156,447 km (0.098 R)
• M33: 14,865,989 km (0.113 R)
• M34: 15,070,938 km (0.116 R)
• M35: 15,122,250 km (0.067 R)
• M36: 15,276,635 km (0.092 R)
• M37: 15,587,051 km (0.094 R)
• M38: 15,639,111 km (0.064 R)
• M39: 16,109,148 km (0.034 R)
• M40: 16,530,864 km (0.095 R)
• M41: 16,742,994 km (0.074 R)
• M42: 17,331,213 km (0.104 R)
• M43: 17,385,068 km (0.029 R)
• M44: 18,363,139 km (0.077 R)
• M45: 18,582,898 km (0.116 R)
• M46: 18,969,608 km (0.07 R)
• M47: 19,470,761 km (0.069 R)
• M48: 20,202,145 km (0.06 R)
• M49: 20,315,540 km (0.037 R)
• M50: 20,372,238 km (0.075 R)
• M51: 21,229,733 km (0.057 R)
• M52: 21,287,328 km (0.112 R)
• M53: 21,691,841 km (0.103 R)
• M54: 21,924,166 km (0.09 R)
• M55: 22,157,240 km (0.12 R)
• M56: 22,626,080 km (0.074 R)
• M57: 23,275,783 km (0.114 R)
• M58: 23,394,713 km (0.035 R)
• M59: 23,513,644 km (0.113 R)
• M60: 23,573,184 km (0.04 R)
• M61: 23,632,873 km (0.1 R)
• M62: 23,812,091 km (0.095 R)
• M63: 23,931,770 km (0.03 R)
• M64: 23,991,759 km (0.082 R)
• M65: 24,533,303 km (0.102 R)
• M66: 25,689,994 km (0.109 R)
• M67: 25,812,813 km (0.086 R)
• M68: 26,367,821 km (0.108 R)
• M69: 26,553,622 km (0.046 R)
• M70: 27,992,903 km (0.064 R)
• M71: 30,231,187 km (0.088 R)
• M72: 30,750,890 km (0.112 R)
• M73: 30,815,965 km (0.047 R)
• M74: 31,338,959 km (0.117 R)
• M75: 31,470,156 km (0.074 R)
• M76: 33,058,736 km (0.106 R)
• M77: 34,740,964 km (0.042 R)
• M78: 34,944,716 km (0.065 R)
• M79: 35,080,850 km (0.09 R)
• M80: 35,763,615 km (0.074 R)
• M81: 36,313,088 km (0.09 R)
• M82: 36,519,832 km (0.072 R)
• M83: 36,796,139 km (0.082 R)
• M84: 38,187,998 km (0.105 R)
• M85: 38,468,494 km (0.096 R)
• M86: 38,608,966 km (0.109 R)
• M87: 39,597,060 km (0.113 R)
• M88: 41,094,685 km (0.088 R)
• M89: 43,558,562 km (0.087 R)
• M90: 43,924,927 km (0.092 R)
• M91: 45,623,311 km (0.074 R)
• M92: 47,342,939 km (0.066 R)
• M93: 47,946,118 km (0.115 R)
• M94: 49,083,660 km (0.099 R)
• M95: 49,312,395 km (0.12 R)
• M96: 50,076,840 km (0.069 R)

Kuiper Belt

Range: 30.6 - 57.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 11,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit