🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.44 AU - 0.58 AU

Year: 139 Days

Day: 14.4 Hours

Environment

Temp: 205 °C

Axial Tilt: 9.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.98 AU - 1.48 AU

Year: 522 Days

Day: 39.3 Hours

Environment

Temp: -30 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,772,806 km

• M1: 42,635 km (0.06 R)
• M2: 73,453 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.94 AU - 2.12 AU

Year: 1107 Days

Day: 25.3 Hours

Environment

Temp: -88 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,772,806 km

• M1: 38,895 km (0.036 R)
• M2: 539,749 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.7

Radius: 8.3

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.69 AU - 9.21 AU

Year: 10252 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 174.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,772,806 km

• M1: 136,433 km (0.12 R)
• M2: 539,749 km (0.076 R)
• M3: 1,910,963 km (0.088 R)
• M4: 2,398,353 km (0.108 R)
• M5: 2,988,965 km (0.077 R)
• M6: 13,150,102 km (0.039 R)
• M7: 14,300,659 km (0.036 R)
• M8: 22,203,914 km (0.091 R)
• M9: 23,554,783 km (0.052 R)
• M10: 24,110,240 km (0.107 R)
• M11: 26,123,079 km (0.093 R)
• M12: 30,045,835 km (0.028 R)
• M13: 30,808,933 km (0.08 R)
• M14: 34,108,315 km (0.069 R)
• M15: 34,819,204 km (0.111 R)
• M16: 38,014,315 km (0.116 R)
• M17: 40,337,271 km (0.057 R)
• M18: 41,937,669 km (0.044 R)
• M19: 46,991,982 km (0.081 R)
• M20: 48,316,073 km (0.095 R)
• M21: 50,884,968 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.2

Radius: 6.7

Gravity: 15.42 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 10.97 AU - 17.17 AU

Year: 20207 Days

Day: 21.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,772,806 km

• M1: 83,326 km (0.077 R)
• M2: 697,724 km (0.043 R)
• M3: 1,327,083 km (0.077 R)
• M4: 1,898,846 km (0.114 R)
• M5: 3,548,312 km (0.107 R)
• M6: 4,100,926 km (0.1 R)
• M7: 4,534,611 km (0.051 R)
• M8: 7,175,312 km (0.071 R)
• M9: 8,056,743 km (0.109 R)
• M10: 9,915,347 km (0.056 R)
• M11: 10,330,631 km (0.118 R)
• M12: 11,069,644 km (0.116 R)
• M13: 12,243,539 km (0.071 R)
• M14: 12,930,342 km (0.08 R)
• M15: 13,788,137 km (0.104 R)
• M16: 16,588,908 km (0.099 R)
• M17: 17,687,106 km (0.065 R)
• M18: 18,121,987 km (0.08 R)
• M19: 23,078,015 km (0.104 R)
• M20: 27,223,222 km (0.107 R)
• M21: 28,867,602 km (0.029 R)
• M22: 34,600,641 km (0.113 R)
• M23: 50,655,036 km (0.089 R)
• M24: 56,818,917 km (0.034 R)
• M25: 64,074,264 km (0.095 R)
• M26: 71,703,157 km (0.066 R)
• M27: 75,052,953 km (0.113 R)
• M28: 75,735,119 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507

Radius: 7.8

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 15.86 AU - 19.78 AU

Year: 28803 Days

Day: 17.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,772,806 km

• M1: 124,615 km (0.073 R)
• M2: 643,121 km (0.077 R)
• M3: 956,230 km (0.12 R)
• M4: 1,567,935 km (0.116 R)
• M5: 2,511,898 km (0.083 R)
• M6: 3,051,497 km (0.088 R)
• M7: 3,305,515 km (0.12 R)
• M8: 4,395,634 km (0.095 R)
• M9: 5,257,916 km (0.064 R)
• M10: 5,921,383 km (0.112 R)
• M11: 7,165,588 km (0.057 R)
• M12: 8,912,293 km (0.1 R)
• M13: 12,424,851 km (0.094 R)
• M14: 13,749,989 km (0.114 R)
• M15: 15,329,892 km (0.105 R)
• M16: 18,846,190 km (0.045 R)
• M17: 20,992,620 km (0.094 R)
• M18: 22,758,922 km (0.105 R)
• M19: 25,188,990 km (0.058 R)
• M20: 29,912,842 km (0.034 R)
• M21: 30,428,356 km (0.077 R)
• M22: 33,924,758 km (0.105 R)
• M23: 36,204,629 km (0.103 R)
• M24: 38,736,723 km (0.046 R)
• M25: 41,703,698 km (0.116 R)
• M26: 52,248,552 km (0.08 R)
• M27: 53,561,722 km (0.066 R)
• M28: 58,631,744 km (0.113 R)
• M29: 59,034,611 km (0.092 R)
• M30: 65,299,471 km (0.06 R)
• M31: 65,949,324 km (0.049 R)
• M32: 71,763,295 km (0.061 R)
• M33: 80,861,090 km (0.113 R)
• M34: 81,861,301 km (0.106 R)
• M35: 82,112,626 km (0.05 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: 380 - 18,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit