🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.94 AU - 1.1 AU

Year: 299 Days

Day: 13.2 Hours

Environment

Temp: 203 °C

Axial Tilt: 41.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.78 AU - 2.12 AU

Year: 791 Days

Day: 34.1 Hours

Environment

Temp: 113 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.75 AU - 2.35 AU

Year: 853 Days

Day: 14.8 Hours

Environment

Temp: 75 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,846,816 km

• M1: 1,053,917 km (0.043 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.41 AU - 6.37 AU

Year: 3636 Days

Day: 36.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.05 AU - 5.77 AU

Year: 3656 Days

Day: 46.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.93 AU - 8.83 AU

Year: 6428 Days

Day: 41.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,846,816 km

• M1: 1,849,628 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.8

Radius: 11.3

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 9.79 AU - 12.35 AU

Year: 10702 Days

Day: 5.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 44,846,816 km

• M1: 156,330 km (0.051 R)
• M2: 276,606 km (0.082 R)
• M3: 361,279 km (0.099 R)
• M4: 686,056 km (0.044 R)
• M5: 797,506 km (0.084 R)
• M6: 1,004,251 km (0.119 R)
• M7: 1,209,499 km (0.073 R)
• M8: 2,045,601 km (0.099 R)
• M9: 2,116,361 km (0.103 R)
• M10: 2,482,427 km (0.052 R)
• M11: 2,558,124 km (0.094 R)
• M12: 2,634,568 km (0.087 R)
• M13: 2,763,671 km (0.086 R)
• M14: 2,842,360 km (0.088 R)
• M15: 3,246,573 km (0.115 R)
• M16: 3,441,499 km (0.102 R)
• M17: 4,079,384 km (0.072 R)
• M18: 4,535,359 km (0.075 R)
• M19: 4,753,772 km (0.107 R)
• M20: 5,201,069 km (0.026 R)
• M21: 6,101,648 km (0.076 R)
• M22: 6,204,721 km (0.095 R)
• M23: 6,308,393 km (0.113 R)
• M24: 6,517,530 km (0.107 R)
• M25: 6,871,030 km (0.113 R)
• M26: 7,413,173 km (0.092 R)
• M27: 7,523,277 km (0.062 R)
• M28: 8,770,026 km (0.072 R)
• M29: 8,964,652 km (0.096 R)
• M30: 9,042,742 km (0.082 R)
• M31: 9,199,820 km (0.087 R)
• M32: 10,161,435 km (0.057 R)
• M33: 10,695,649 km (0.1 R)
• M34: 10,778,676 km (0.054 R)
• M35: 10,987,066 km (0.117 R)
• M36: 11,620,463 km (0.113 R)
• M37: 12,265,679 km (0.076 R)
• M38: 13,861,589 km (0.076 R)
• M39: 14,729,855 km (0.096 R)
• M40: 16,952,730 km (0.116 R)
• M41: 17,049,669 km (0.114 R)
• M42: 18,028,787 km (0.082 R)
• M43: 18,326,038 km (0.047 R)
• M44: 18,575,119 km (0.116 R)
• M45: 18,675,050 km (0.096 R)
• M46: 18,875,362 km (0.109 R)
• M47: 19,531,498 km (0.12 R)
• M48: 19,684,088 km (0.105 R)
• M49: 19,836,977 km (0.092 R)
• M50: 19,939,003 km (0.028 R)
• M51: 21,807,480 km (0.092 R)
• M52: 22,071,371 km (0.084 R)
• M53: 22,442,523 km (0.097 R)
• M54: 24,165,890 km (0.116 R)
• M55: 24,603,464 km (0.066 R)
• M56: 25,319,888 km (0.117 R)
• M57: 26,211,193 km (0.083 R)
• M58: 26,886,328 km (0.09 R)
• M59: 27,567,297 km (0.065 R)
• M60: 28,253,951 km (0.092 R)
• M61: 29,236,211 km (0.085 R)
• M62: 29,585,522 km (0.096 R)
• M63: 31,353,171 km (0.098 R)
• M64: 31,710,859 km (0.074 R)
• M65: 33,276,102 km (0.074 R)
• M66: 33,640,821 km (0.103 R)
• M67: 34,190,593 km (0.062 R)
• M68: 35,795,180 km (0.112 R)
• M69: 36,794,793 km (0.072 R)
• M70: 37,046,118 km (0.086 R)
• M71: 37,613,841 km (0.062 R)
• M72: 39,013,330 km (0.038 R)
• M73: 39,912,862 km (0.118 R)
• M74: 40,300,470 km (0.049 R)
• M75: 41,666,897 km (0.072 R)
• M76: 41,863,319 km (0.103 R)
• M77: 42,322,883 km (0.093 R)
• M78: 43,180,827 km (0.092 R)
• M79: 43,778,171 km (0.064 R)
• M80: 44,044,455 km (0.054 R)
• M81: 44,712,709 km (0.114 R)

Kuiper Belt

Range: 37.7 - 55.7 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 11,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit