🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.63 AU - 0.67 AU

Year: 191 Days

Day: 18.9 Hours

Environment

Temp: 212 °C

Axial Tilt: 31.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,753,881 km

• M1: 23,487 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.22 AU - 1.7 AU

Year: 644 Days

Day: 14.2 Hours

Environment

Temp: -23 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.34 AU - 1.6 AU

Year: 651 Days

Day: 27 Hours

Environment

Temp: -30 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.55 AU - 2.35 AU

Year: 995 Days

Day: 14.5 Hours

Environment

Temp: -66 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.98 AU - 2.72 AU

Year: 1316 Days

Day: 32.1 Hours

Environment

Temp: -90 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,753,881 km

• M1: 1,481,318 km (0.095 R)
• M2: 2,164,831 km (0.039 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.34 AU - 3.2 AU

Year: 1684 Days

Day: 12.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,753,881 km

• M1: 279,748 km (0.085 R)
• M2: 940,223 km (0.045 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.23 AU - 5.17 AU

Year: 3144 Days

Day: 32.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 15.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.2

Radius: 7.4

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 14.38 AU - 17.2 AU

Year: 22917 Days

Day: 18.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 58,753,881 km

• M1: 159,771 km (0.056 R)
• M2: 381,774 km (0.105 R)
• M3: 670,797 km (0.079 R)
• M4: 747,840 km (0.047 R)
• M5: 828,174 km (0.12 R)
• M6: 1,109,418 km (0.057 R)
• M7: 1,201,869 km (0.039 R)
• M8: 1,345,483 km (0.068 R)
• M9: 1,809,685 km (0.104 R)
• M10: 1,919,341 km (0.106 R)
• M11: 2,087,937 km (0.102 R)
• M12: 2,439,642 km (0.115 R)
• M13: 2,747,066 km (0.051 R)
• M14: 3,568,358 km (0.093 R)
• M15: 3,671,730 km (0.057 R)
• M16: 3,917,071 km (0.029 R)
• M17: 4,203,850 km (0.101 R)
• M18: 4,313,056 km (0.116 R)
• M19: 4,988,790 km (0.094 R)
• M20: 5,299,654 km (0.073 R)
• M21: 6,269,497 km (0.088 R)
• M22: 6,689,718 km (0.086 R)
• M23: 6,946,128 km (0.085 R)
• M24: 8,413,683 km (0.08 R)
• M25: 8,970,337 km (0.083 R)
• M26: 9,348,221 km (0.095 R)
• M27: 9,395,793 km (0.066 R)
• M28: 9,586,980 km (0.1 R)
• M29: 9,924,622 km (0.113 R)
• M30: 10,217,086 km (0.07 R)
• M31: 10,561,909 km (0.086 R)
• M32: 11,162,096 km (0.07 R)
• M33: 11,364,651 km (0.086 R)
• M34: 11,517,241 km (0.087 R)
• M35: 12,186,691 km (0.072 R)
• M36: 12,290,811 km (0.046 R)
• M37: 12,447,590 km (0.066 R)
• M38: 13,081,137 km (0.096 R)
• M39: 13,509,286 km (0.115 R)
• M40: 15,155,611 km (0.118 R)
• M41: 15,548,754 km (0.031 R)
• M42: 16,690,634 km (0.104 R)
• M43: 17,154,986 km (0.087 R)
• M44: 17,682,319 km (0.094 R)
• M45: 17,859,293 km (0.049 R)
• M46: 19,235,593 km (0.119 R)
• M47: 20,398,118 km (0.062 R)
• M48: 21,144,013 km (0.106 R)
• M49: 21,583,233 km (0.118 R)
• M50: 21,962,164 km (0.098 R)
• M51: 23,047,497 km (0.08 R)
• M52: 24,019,733 km (0.088 R)
• M53: 24,281,230 km (0.119 R)
• M54: 24,873,040 km (0.076 R)
• M55: 25,403,065 km (0.072 R)
• M56: 25,936,830 km (0.116 R)
• M57: 26,138,039 km (0.097 R)
• M58: 26,205,209 km (0.097 R)
• M59: 26,947,663 km (0.104 R)
• M60: 28,040,026 km (0.055 R)
• M61: 29,216,464 km (0.12 R)
• M62: 29,565,476 km (0.108 R)
• M63: 29,705,500 km (0.101 R)
• M64: 30,126,917 km (0.051 R)
• M65: 32,119,411 km (0.098 R)
• M66: 32,191,218 km (0.08 R)
• M67: 33,787,577 km (0.086 R)
• M68: 35,707,217 km (0.119 R)
• M69: 36,905,944 km (0.064 R)
• M70: 37,056,739 km (0.101 R)
• M71: 37,510,320 km (0.088 R)
• M72: 40,425,234 km (0.113 R)
• M73: 40,502,876 km (0.057 R)
• M74: 41,282,430 km (0.053 R)
• M75: 43,810,335 km (0.039 R)
• M76: 45,334,887 km (0.109 R)
• M77: 45,415,520 km (0.033 R)
• M78: 46,062,980 km (0.11 R)
• M79: 46,632,050 km (0.083 R)
• M80: 47,040,003 km (0.026 R)
• M81: 47,695,092 km (0.091 R)
• M82: 48,848,642 km (0.06 R)
• M83: 49,761,637 km (0.114 R)
• M84: 50,931,493 km (0.088 R)
• M85: 51,183,415 km (0.115 R)
• M86: 51,941,577 km (0.071 R)
• M87: 52,026,100 km (0.038 R)
• M88: 53,639,663 km (0.106 R)
• M89: 54,495,512 km (0.08 R)
• M90: 57,177,204 km (0.117 R)
• M91: 58,051,304 km (0.092 R)
• M92: 58,226,782 km (0.073 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 10,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit