🌌 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: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.8 AU - 1.24 AU

Year: 367 Days

Day: 16.1 Hours

Environment

Temp: 152 °C

Axial Tilt: 14.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.02 AU - 5 AU

Year: 3414 Days

Day: 34.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.6

Radius: 12.4

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.41 AU - 5.73 AU

Year: 4686 Days

Day: 9.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,256,816 km

• M1: 154,385 km (0.111 R)
• M2: 544,536 km (0.111 R)
• M3: 988,692 km (0.088 R)
• M4: 2,038,121 km (0.054 R)
• M5: 3,771,213 km (0.062 R)
• M6: 4,217,014 km (0.115 R)
• M7: 4,992,979 km (0.057 R)
• M8: 5,561,750 km (0.115 R)
• M9: 6,761,824 km (0.099 R)
• M10: 7,568,007 km (0.109 R)
• M11: 8,242,693 km (0.097 R)
• M12: 10,061,654 km (0.114 R)
• M13: 11,543,121 km (0.095 R)
• M14: 15,578,225 km (0.109 R)
• M15: 16,485,237 km (0.106 R)
• M16: 20,397,819 km (0.043 R)
• M17: 31,786,855 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.1

Radius: 10.5

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5 AU - 7.58 AU

Year: 5623 Days

Day: 14.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,256,816 km

• M1: 133,142 km (0.037 R)
• M2: 489,783 km (0.084 R)
• M3: 1,003,054 km (0.046 R)
• M4: 1,348,625 km (0.08 R)
• M5: 1,707,061 km (0.066 R)
• M6: 2,082,851 km (0.109 R)
• M7: 2,789,402 km (0.087 R)
• M8: 3,126,446 km (0.085 R)
• M9: 4,004,436 km (0.104 R)
• M10: 4,409,098 km (0.078 R)
• M11: 4,785,636 km (0.115 R)
• M12: 6,719,338 km (0.108 R)
• M13: 9,561,548 km (0.064 R)
• M14: 11,953,169 km (0.096 R)
• M15: 15,016,485 km (0.056 R)
• M16: 15,440,595 km (0.108 R)
• M17: 16,440,058 km (0.043 R)
• M18: 17,086,321 km (0.1 R)
• M19: 18,360,895 km (0.091 R)
• M20: 20,574,943 km (0.088 R)
• M21: 23,041,064 km (0.09 R)
• M22: 26,043,942 km (0.03 R)
• M23: 28,184,987 km (0.076 R)
• M24: 30,731,143 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.5

Radius: 8.9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.35 AU - 9.95 AU

Year: 10685 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,256,816 km

• M1: 110,702 km (0.119 R)
• M2: 416,929 km (0.063 R)
• M3: 776,712 km (0.093 R)
• M4: 1,316,461 km (0.108 R)
• M5: 1,704,369 km (0.078 R)
• M6: 2,063,403 km (0.096 R)
• M7: 3,455,711 km (0.074 R)
• M8: 4,769,779 km (0.047 R)
• M9: 5,096,949 km (0.118 R)
• M10: 5,980,923 km (0.08 R)
• M11: 9,139,383 km (0.11 R)
• M12: 9,462,664 km (0.066 R)
• M13: 11,732,811 km (0.072 R)
• M14: 13,403,371 km (0.094 R)
• M15: 13,680,875 km (0.075 R)
• M16: 15,990,068 km (0.085 R)
• M17: 16,407,446 km (0.119 R)
• M18: 19,124,592 km (0.106 R)
• M19: 20,073,042 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380

Radius: 4.7

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 13.95 AU - 18.99 AU

Year: 23825 Days

Day: 22.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,256,816 km

• M1: 59,989 km (0.113 R)
• M2: 441,164 km (0.075 R)
• M3: 785,688 km (0.075 R)
• M4: 969,544 km (0.102 R)
• M5: 1,292,226 km (0.12 R)
• M6: 2,170,067 km (0.077 R)
• M7: 2,337,168 km (0.103 R)
• M8: 2,674,062 km (0.045 R)
• M9: 3,279,335 km (0.059 R)
• M10: 3,672,179 km (0.081 R)
• M11: 3,819,832 km (0.065 R)
• M12: 4,319,339 km (0.114 R)
• M13: 5,112,058 km (0.082 R)
• M14: 5,296,513 km (0.117 R)
• M15: 5,956,987 km (0.106 R)
• M16: 7,346,602 km (0.103 R)
• M17: 8,066,916 km (0.049 R)
• M18: 9,985,957 km (0.114 R)
• M19: 11,235,398 km (0.08 R)
• M20: 12,189,384 km (0.063 R)
• M21: 12,518,948 km (0.033 R)
• M22: 13,897,193 km (0.073 R)
• M23: 22,424,422 km (0.04 R)
• M24: 25,610,258 km (0.096 R)
• M25: 34,016,013 km (0.044 R)
• M26: 37,641,816 km (0.073 R)
• M27: 43,169,009 km (0.071 R)
• M28: 43,780,565 km (0.079 R)
• M29: 54,011,114 km (0.039 R)
• M30: 55,437,231 km (0.115 R)
• M31: 56,888,031 km (0.111 R)
• M32: 60,625,734 km (0.067 R)
• M33: 67,759,907 km (0.101 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 17,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit