🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.24 AU - 1.38 AU

Year: 545 Days

Day: 13.7 Hours

Environment

Temp: -2 °C

Axial Tilt: 22.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.77 AU - 2.47 AU

Year: 1122 Days

Day: 20.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.56 AU - 3.86 AU

Year: 2090 Days

Day: 16.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,341,456 km

• M1: 861,833 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.32 AU - 3.56 AU

Year: 2319 Days

Day: 25.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.34 AU - 4.64 AU

Year: 3458 Days

Day: 29.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,341,456 km

• M1: 2,315,177 km (0.098 R)

Asteroid Belt

Center: 6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.8

Radius: 9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.87 AU - 9.13 AU

Year: 7465 Days

Day: 13 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 28,341,456 km

• M1: 128,953 km (0.097 R)
• M2: 200,312 km (0.116 R)
• M3: 259,552 km (0.092 R)
• M4: 397,482 km (0.074 R)
• M5: 649,853 km (0.086 R)
• M6: 838,795 km (0.088 R)
• M7: 899,083 km (0.11 R)
• M8: 1,200,673 km (0.099 R)
• M9: 1,375,253 km (0.104 R)
• M10: 1,533,229 km (0.063 R)
• M11: 1,710,352 km (0.109 R)
• M12: 1,788,293 km (0.038 R)
• M13: 2,002,068 km (0.076 R)
• M14: 2,084,497 km (0.097 R)
• M15: 2,196,097 km (0.119 R)
• M16: 2,454,751 km (0.094 R)
• M17: 2,677,652 km (0.063 R)
• M18: 2,830,093 km (0.105 R)
• M19: 3,143,500 km (0.056 R)
• M20: 3,288,311 km (0.118 R)
• M21: 3,735,758 km (0.103 R)
• M22: 4,062,181 km (0.083 R)
• M23: 4,523,840 km (0.062 R)
• M24: 4,871,804 km (0.109 R)
• M25: 5,749,944 km (0.088 R)
• M26: 5,927,516 km (0.106 R)
• M27: 6,430,016 km (0.108 R)
• M28: 6,862,802 km (0.087 R)
• M29: 7,887,249 km (0.09 R)
• M30: 8,261,542 km (0.076 R)
• M31: 8,506,883 km (0.113 R)
• M32: 8,641,671 km (0.086 R)
• M33: 9,839,351 km (0.114 R)
• M34: 9,910,111 km (0.106 R)
• M35: 10,771,495 km (0.088 R)
• M36: 11,383,800 km (0.104 R)
• M37: 13,575,109 km (0.088 R)
• M38: 13,996,826 km (0.09 R)
• M39: 14,209,404 km (0.082 R)
• M40: 14,799,418 km (0.082 R)
• M41: 14,934,505 km (0.042 R)
• M42: 15,589,295 km (0.082 R)
• M43: 16,898,276 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.3

Radius: 11.1

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.4 AU - 8.92 AU

Year: 8472 Days

Day: 8.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 28,341,456 km

• M1: 256,261 km (0.113 R)
• M2: 521,797 km (0.078 R)
• M3: 752,477 km (0.117 R)
• M4: 937,979 km (0.091 R)
• M5: 1,056,759 km (0.091 R)
• M6: 1,139,038 km (0.116 R)
• M7: 1,237,922 km (0.061 R)
• M8: 1,490,593 km (0.08 R)
• M9: 1,679,236 km (0.1 R)
• M10: 1,792,930 km (0.107 R)
• M11: 2,011,194 km (0.07 R)
• M12: 2,149,871 km (0.061 R)
• M13: 2,510,851 km (0.048 R)
• M14: 2,890,979 km (0.032 R)
• M15: 3,088,149 km (0.085 R)
• M16: 3,350,992 km (0.095 R)
• M17: 3,769,717 km (0.098 R)
• M18: 4,429,144 km (0.116 R)
• M19: 4,772,322 km (0.04 R)
• M20: 4,865,372 km (0.115 R)
• M21: 4,935,533 km (0.109 R)
• M22: 5,704,765 km (0.109 R)
• M23: 6,306,298 km (0.039 R)
• M24: 6,434,204 km (0.102 R)
• M25: 7,192,815 km (0.116 R)
• M26: 7,326,556 km (0.069 R)
• M27: 8,680,117 km (0.086 R)
• M28: 8,765,538 km (0.106 R)
• M29: 8,937,126 km (0.029 R)
• M30: 9,052,167 km (0.096 R)
• M31: 9,167,657 km (0.12 R)
• M32: 9,283,745 km (0.119 R)
• M33: 9,400,132 km (0.096 R)
• M34: 9,811,825 km (0.106 R)
• M35: 10,470,505 km (0.043 R)
• M36: 10,622,346 km (0.078 R)
• M37: 10,866,640 km (0.117 R)
• M38: 10,958,642 km (0.101 R)
• M39: 11,267,562 km (0.059 R)
• M40: 12,275,104 km (0.111 R)
• M41: 12,660,468 km (0.113 R)
• M42: 12,789,720 km (0.119 R)
• M43: 13,442,865 km (0.106 R)
• M44: 15,088,740 km (0.09 R)
• M45: 15,294,737 km (0.049 R)
• M46: 16,092,692 km (0.091 R)
• M47: 16,338,182 km (0.039 R)
• M48: 16,726,538 km (0.101 R)
• M49: 16,833,052 km (0.082 R)
• M50: 16,975,319 km (0.077 R)
• M51: 17,118,036 km (0.094 R)
• M52: 17,584,482 km (0.1 R)
• M53: 17,765,046 km (0.085 R)
• M54: 18,164,323 km (0.102 R)
• M55: 18,713,796 km (0.109 R)
• M56: 19,120,104 km (0.055 R)
• M57: 19,679,001 km (0.088 R)
• M58: 19,979,244 km (0.083 R)
• M59: 20,092,191 km (0.07 R)
• M60: 20,318,832 km (0.105 R)
• M61: 20,736,359 km (0.046 R)
• M62: 21,041,988 km (0.051 R)
• M63: 21,156,879 km (0.078 R)
• M64: 21,657,433 km (0.111 R)
• M65: 21,851,013 km (0.102 R)
• M66: 22,123,132 km (0.082 R)
• M67: 22,239,967 km (0.076 R)
• M68: 22,435,342 km (0.091 R)
• M69: 22,866,932 km (0.08 R)
• M70: 22,985,114 km (0.036 R)
• M71: 23,499,731 km (0.085 R)
• M72: 24,178,457 km (0.08 R)
• M73: 24,944,547 km (0.107 R)
• M74: 25,310,314 km (0.051 R)
• M75: 25,514,216 km (0.11 R)
• M76: 25,636,737 km (0.12 R)
• M77: 25,841,686 km (0.03 R)
• M78: 26,335,359 km (0.059 R)
• M79: 26,832,323 km (0.078 R)
• M80: 27,583,454 km (0.05 R)
• M81: 27,667,229 km (0.108 R)
• M82: 28,299,130 km (0.087 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 13,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit