🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.53 AU - 0.55 AU

Year: 147 Days

Day: 46.9 Hours

Environment

Temp: 170 °C

Axial Tilt: 7.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.49 AU - 0.75 AU

Year: 181 Days

Day: 34.8 Hours

Environment

Temp: 157 °C

Axial Tilt: 41.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,959,466 km

• M1: 552,166 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.7 AU - 1.12 AU

Year: 322 Days

Day: 30.6 Hours

Environment

Temp: 25 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.72 AU - 1.18 AU

Year: 343 Days

Day: 21.2 Hours

Environment

Temp: 32 °C

Axial Tilt: 48.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 28,959,466 km

• M1: 734,226 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.93 AU - 1.21 AU

Year: 410 Days

Day: 14.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 21.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 28,959,466 km

• M1: 45,927 km (0.08 R)
• M2: 127,457 km (0.085 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.49 AU - 1.99 AU

Year: 851 Days

Day: 33.5 Hours

Environment

Temp: -60 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.19 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.3

Radius: 4.3

Gravity: 23.06 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 10.08 AU - 15.18 AU

Year: 16646 Days

Day: 16.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 28,959,466 km

• M1: 55,351 km (0.088 R)
• M2: 192,084 km (0.118 R)
• M3: 322,533 km (0.105 R)
• M4: 734,376 km (0.102 R)
• M5: 855,550 km (0.095 R)
• M6: 1,094,308 km (0.077 R)
• M7: 1,280,408 km (0.084 R)
• M8: 1,951,803 km (0.086 R)
• M9: 1,979,479 km (0.12 R)
• M10: 2,007,304 km (0.072 R)
• M11: 2,440,689 km (0.079 R)
• M12: 3,389,589 km (0.084 R)
• M13: 3,523,927 km (0.101 R)
• M14: 3,660,062 km (0.052 R)
• M15: 4,293,608 km (0.116 R)
• M16: 4,475,519 km (0.115 R)
• M17: 5,074,659 km (0.057 R)
• M18: 5,112,956 km (0.107 R)
• M19: 5,461,818 km (0.114 R)
• M20: 5,501,013 km (0.112 R)
• M21: 6,019,669 km (0.097 R)
• M22: 6,060,210 km (0.107 R)
• M23: 6,847,693 km (0.103 R)
• M24: 7,843,117 km (0.069 R)
• M25: 7,931,829 km (0.075 R)
• M26: 8,020,839 km (0.11 R)
• M27: 8,244,787 km (0.031 R)
• M28: 8,698,967 km (0.058 R)
• M29: 10,013,333 km (0.052 R)
• M30: 10,841,058 km (0.1 R)
• M31: 10,890,426 km (0.106 R)
• M32: 11,288,057 km (0.106 R)
• M33: 12,716,866 km (0.073 R)
• M34: 13,611,761 km (0.096 R)
• M35: 15,019,327 km (0.062 R)
• M36: 15,406,038 km (0.098 R)
• M37: 15,461,688 km (0.12 R)
• M38: 15,964,337 km (0.078 R)
• M39: 16,076,834 km (0.092 R)
• M40: 16,133,083 km (0.078 R)
• M41: 17,330,913 km (0.072 R)
• M42: 17,446,552 km (0.028 R)
• M43: 18,145,324 km (0.053 R)
• M44: 18,262,609 km (0.099 R)
• M45: 18,439,134 km (0.081 R)
• M46: 18,853,221 km (0.089 R)
• M47: 19,630,233 km (0.115 R)
• M48: 22,967,911 km (0.075 R)
• M49: 23,285,806 km (0.09 R)
• M50: 24,766,376 km (0.118 R)
• M51: 25,157,575 km (0.104 R)
• M52: 26,742,714 km (0.103 R)
• M53: 26,943,175 km (0.09 R)
• M54: 28,769,316 km (0.039 R)
• M55: 29,043,230 km (0.042 R)
• M56: 29,386,856 km (0.05 R)
• M57: 29,455,671 km (0.073 R)
• M58: 32,468,123 km (0.093 R)
• M59: 32,610,690 km (0.054 R)
• M60: 33,039,288 km (0.115 R)
• M61: 33,613,744 km (0.104 R)
• M62: 34,627,120 km (0.095 R)
• M63: 34,991,391 km (0.11 R)
• M64: 35,283,705 km (0.078 R)
• M65: 36,980,594 km (0.106 R)
• M66: 37,203,794 km (0.084 R)
• M67: 37,576,891 km (0.039 R)
• M68: 38,628,265 km (0.117 R)
• M69: 38,930,452 km (0.096 R)
• M70: 39,309,234 km (0.065 R)
• M71: 39,385,080 km (0.064 R)
• M72: 40,759,735 km (0.115 R)
• M73: 41,375,629 km (0.09 R)
• M74: 41,839,682 km (0.107 R)
• M75: 42,072,307 km (0.099 R)
• M76: 42,383,171 km (0.084 R)
• M77: 42,850,964 km (0.115 R)
• M78: 45,693,024 km (0.06 R)
• M79: 45,852,645 km (0.088 R)
• M80: 46,252,670 km (0.055 R)
• M81: 47,378,842 km (0.06 R)
• M82: 48,432,610 km (0.114 R)
• M83: 51,473,635 km (0.088 R)
• M84: 52,473,248 km (0.043 R)
• M85: 55,084,778 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.1

Radius: 7.4

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 16.6 AU - 19.88 AU

Year: 28890 Days

Day: 23.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 28,959,466 km

• M1: 102,175 km (0.087 R)
• M2: 257,308 km (0.119 R)
• M3: 358,436 km (0.04 R)
• M4: 495,319 km (0.111 R)
• M5: 769,831 km (0.098 R)
• M6: 991,235 km (0.082 R)
• M7: 1,352,514 km (0.088 R)
• M8: 1,445,115 km (0.075 R)
• M9: 1,735,634 km (0.089 R)
• M10: 1,904,979 km (0.107 R)
• M11: 2,315,027 km (0.114 R)
• M12: 2,969,817 km (0.094 R)
• M13: 3,853,043 km (0.055 R)
• M14: 4,074,747 km (0.114 R)
• M15: 4,392,044 km (0.079 R)
• M16: 4,576,947 km (0.037 R)
• M17: 4,693,783 km (0.099 R)
• M18: 6,146,378 km (0.119 R)
• M19: 6,668,175 km (0.111 R)
• M20: 7,122,803 km (0.1 R)
• M21: 7,176,958 km (0.098 R)
• M22: 9,245,597 km (0.052 R)
• M23: 9,452,940 km (0.083 R)
• M24: 10,575,073 km (0.077 R)
• M25: 10,791,990 km (0.106 R)
• M26: 11,356,722 km (0.076 R)
• M27: 11,995,505 km (0.094 R)
• M28: 12,059,982 km (0.056 R)
• M29: 13,074,704 km (0.08 R)
• M30: 13,845,133 km (0.041 R)
• M31: 14,048,586 km (0.06 R)
• M32: 14,287,195 km (0.052 R)
• M33: 15,499,985 km (0.088 R)
• M34: 16,136,674 km (0.105 R)
• M35: 16,493,913 km (0.078 R)
• M36: 17,544,988 km (0.106 R)
• M37: 17,838,648 km (0.095 R)
• M38: 18,060,053 km (0.062 R)
• M39: 18,992,198 km (0.071 R)
• M40: 19,901,753 km (0.098 R)
• M41: 20,131,385 km (0.11 R)
• M42: 20,246,426 km (0.089 R)
• M43: 21,136,384 km (0.038 R)
• M44: 21,920,576 km (0.117 R)
• M45: 22,039,058 km (0.092 R)
• M46: 22,395,699 km (0.083 R)
• M47: 23,598,316 km (0.087 R)
• M48: 24,003,726 km (0.043 R)
• M49: 25,441,063 km (0.074 R)
• M50: 27,117,606 km (0.049 R)
• M51: 27,712,856 km (0.111 R)
• M52: 27,840,912 km (0.091 R)
• M53: 28,269,360 km (0.095 R)
• M54: 28,916,221 km (0.036 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 16,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit