🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.76 AU - 0.78 AU

Year: 249 Days

Day: 27.9 Hours

Environment

Temp: 110 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.75 AU - 0.89 AU

Year: 274 Days

Day: 19.9 Hours

Environment

Temp: 162 °C

Axial Tilt: 42.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.65 AU - 1.67 AU

Year: 789 Days

Day: 16.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.59 AU - 2.49 AU

Year: 1075 Days

Day: 13.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 67.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,543,605 km

• M1: 1,455,438 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.87 AU - 2.81 AU

Year: 1321 Days

Day: 20.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,543,605 km

• M1: 817,852 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 13.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.49 AU - 5.41 AU

Year: 4063 Days

Day: 10.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 40,543,605 km

• M1: 168,447 km (0.054 R)
• M2: 596,896 km (0.037 R)
• M3: 726,896 km (0.117 R)
• M4: 997,967 km (0.063 R)
• M5: 1,168,210 km (0.027 R)
• M6: 1,268,590 km (0.087 R)
• M7: 1,407,118 km (0.073 R)
• M8: 1,986,510 km (0.079 R)
• M9: 2,108,283 km (0.103 R)
• M10: 2,345,395 km (0.117 R)
• M11: 2,785,213 km (0.042 R)
• M12: 3,014,995 km (0.102 R)
• M13: 3,171,774 km (0.066 R)
• M14: 3,363,559 km (0.04 R)
• M15: 3,477,253 km (0.116 R)
• M16: 3,608,899 km (0.108 R)
• M17: 3,809,360 km (0.076 R)
• M18: 4,013,561 km (0.062 R)
• M19: 4,504,242 km (0.069 R)
• M20: 4,630,054 km (0.082 R)
• M21: 4,756,913 km (0.078 R)
• M22: 5,333,014 km (0.08 R)
• M23: 5,523,752 km (0.066 R)
• M24: 5,639,241 km (0.053 R)
• M25: 5,931,406 km (0.086 R)
• M26: 6,049,738 km (0.094 R)
• M27: 6,188,864 km (0.111 R)
• M28: 6,409,521 km (0.119 R)
• M29: 6,714,551 km (0.06 R)
• M30: 6,879,408 km (0.094 R)
• M31: 7,233,955 km (0.089 R)
• M32: 7,680,205 km (0.082 R)
• M33: 7,766,224 km (0.112 R)
• M34: 7,917,467 km (0.099 R)
• M35: 8,091,749 km (0.043 R)
• M36: 8,245,087 km (0.079 R)
• M37: 9,785,945 km (0.058 R)
• M38: 10,043,403 km (0.097 R)
• M39: 10,161,286 km (0.057 R)
• M40: 10,613,071 km (0.116 R)
• M41: 10,901,945 km (0.095 R)
• M42: 11,487,471 km (0.053 R)
• M43: 11,709,624 km (0.108 R)
• M44: 12,511,319 km (0.027 R)
• M45: 12,612,746 km (0.104 R)
• M46: 13,694,638 km (0.057 R)
• M47: 14,009,242 km (0.109 R)
• M48: 14,565,597 km (0.065 R)
• M49: 15,508,961 km (0.066 R)
• M50: 15,645,245 km (0.094 R)
• M51: 16,029,262 km (0.05 R)
• M52: 16,277,744 km (0.119 R)
• M53: 16,471,922 km (0.098 R)
• M54: 16,890,647 km (0.095 R)
• M55: 16,974,721 km (0.09 R)
• M56: 17,115,343 km (0.041 R)
• M57: 17,369,360 km (0.119 R)
• M58: 17,652,998 km (0.103 R)
• M59: 17,852,561 km (0.084 R)
• M60: 18,716,190 km (0.118 R)
• M61: 18,832,278 km (0.099 R)
• M62: 19,299,472 km (0.072 R)
• M63: 19,622,753 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.9

Radius: 3.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 15.21 AU - 23.53 AU

Year: 31454 Days

Day: 18.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 40,543,605 km

• M1: 52,658 km (0.065 R)
• M2: 113,096 km (0.039 R)
• M3: 299,944 km (0.086 R)
• M4: 357,988 km (0.114 R)
• M5: 540,198 km (0.066 R)
• M6: 671,246 km (0.098 R)
• M7: 701,764 km (0.043 R)
• M8: 748,289 km (0.08 R)
• M9: 928,255 km (0.082 R)
• M10: 1,176,138 km (0.046 R)
• M11: 1,404,275 km (0.118 R)
• M12: 1,443,619 km (0.083 R)
• M13: 1,900,641 km (0.104 R)
• M14: 2,099,606 km (0.082 R)
• M15: 2,809,747 km (0.061 R)
• M16: 3,036,238 km (0.116 R)
• M17: 3,426,539 km (0.072 R)
• M18: 4,837,397 km (0.097 R)
• M19: 4,897,086 km (0.073 R)
• M20: 5,950,106 km (0.048 R)
• M21: 7,445,636 km (0.03 R)
• M22: 7,514,750 km (0.118 R)
• M23: 7,863,163 km (0.117 R)
• M24: 9,457,727 km (0.091 R)
• M25: 10,561,310 km (0.112 R)
• M26: 11,266,515 km (0.092 R)
• M27: 12,189,534 km (0.072 R)
• M28: 13,011,724 km (0.119 R)
• M29: 14,235,434 km (0.11 R)
• M30: 14,364,088 km (0.068 R)
• M31: 14,579,360 km (0.054 R)
• M32: 15,539,329 km (0.114 R)
• M33: 17,108,162 km (0.064 R)
• M34: 17,153,789 km (0.114 R)
• M35: 19,387,585 km (0.1 R)
• M36: 20,056,138 km (0.113 R)
• M37: 22,754,734 km (0.105 R)
• M38: 23,865,648 km (0.092 R)
• M39: 26,455,187 km (0.063 R)
• M40: 26,719,077 km (0.062 R)
• M41: 26,771,885 km (0.117 R)
• M42: 27,943,835 km (0.069 R)
• M43: 29,404,957 km (0.096 R)
• M44: 31,224,068 km (0.119 R)
• M45: 31,726,417 km (0.054 R)
• M46: 31,894,416 km (0.062 R)
• M47: 32,006,764 km (0.092 R)
• M48: 34,565,785 km (0.101 R)
• M49: 36,308,151 km (0.062 R)
• M50: 36,601,213 km (0.112 R)
• M51: 37,189,881 km (0.043 R)
• M52: 37,781,690 km (0.113 R)
• M53: 38,197,722 km (0.039 R)
• M54: 38,615,399 km (0.115 R)
• M55: 38,675,089 km (0.093 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 15,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit