🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.09 AU - 1.45 AU

Year: 545 Days

Day: 22.5 Hours

Environment

Temp: -28 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,571,197 km

• M1: 30,817 km (0.086 R)
• M2: 705,653 km (0.044 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.11 AU - 4.91 AU

Year: 3058 Days

Day: 20.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.9

Radius: 10.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.33 AU - 6.67 AU

Year: 6311 Days

Day: 6.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,571,197 km

• M1: 133,441 km (0.102 R)
• M2: 749,934 km (0.106 R)
• M3: 1,341,444 km (0.113 R)
• M4: 1,834,967 km (0.093 R)
• M5: 2,977,147 km (0.119 R)
• M6: 3,713,318 km (0.12 R)
• M7: 5,316,409 km (0.108 R)
• M8: 6,463,077 km (0.105 R)
• M9: 7,233,057 km (0.083 R)
• M10: 7,840,574 km (0.059 R)
• M11: 11,027,757 km (0.112 R)
• M12: 12,126,403 km (0.118 R)
• M13: 18,277,718 km (0.089 R)
• M14: 18,604,440 km (0.084 R)
• M15: 20,019,785 km (0.058 R)
• M16: 21,796,859 km (0.11 R)
• M17: 22,387,172 km (0.053 R)
• M18: 25,418,324 km (0.062 R)
• M19: 26,653,853 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.7

Radius: 3.5

Gravity: 42.83 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 11.16 AU - 12.92 AU

Year: 15909 Days

Day: 24.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 57,571,197 km

• M1: 43,832 km (0.101 R)
• M2: 180,864 km (0.041 R)
• M3: 363,672 km (0.06 R)
• M4: 596,596 km (0.094 R)
• M5: 1,326,634 km (0.102 R)
• M6: 1,964,070 km (0.045 R)
• M7: 2,248,905 km (0.111 R)
• M8: 2,738,090 km (0.047 R)
• M9: 2,923,890 km (0.116 R)
• M10: 3,668,738 km (0.052 R)
• M11: 4,070,109 km (0.068 R)
• M12: 4,892,000 km (0.11 R)
• M13: 5,706,411 km (0.112 R)
• M14: 5,818,908 km (0.087 R)
• M15: 5,932,902 km (0.076 R)
• M16: 6,087,287 km (0.064 R)
• M17: 6,444,227 km (0.11 R)
• M18: 7,243,529 km (0.066 R)
• M19: 7,644,152 km (0.111 R)
• M20: 8,489,679 km (0.102 R)
• M21: 13,800,703 km (0.076 R)
• M22: 14,484,963 km (0.118 R)
• M23: 14,694,700 km (0.046 R)
• M24: 15,263,620 km (0.08 R)
• M25: 16,520,990 km (0.081 R)
• M26: 18,575,119 km (0.114 R)
• M27: 20,793,356 km (0.112 R)
• M28: 23,757,787 km (0.092 R)
• M29: 25,038,495 km (0.075 R)
• M30: 30,852,018 km (0.088 R)
• M31: 32,493,854 km (0.058 R)
• M32: 34,192,837 km (0.057 R)
• M33: 40,605,051 km (0.09 R)
• M34: 44,901,502 km (0.102 R)
• M35: 49,333,189 km (0.097 R)
• M36: 51,898,792 km (0.107 R)
• M37: 52,062,004 km (0.112 R)
• M38: 56,083,195 km (0.068 R)
• M39: 59,409,802 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.8

Radius: 5.9

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 10.71 AU - 14.71 AU

Year: 17255 Days

Day: 16.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,571,197 km

• M1: 73,752 km (0.105 R)
• M2: 441,763 km (0.093 R)
• M3: 869,463 km (0.091 R)
• M4: 1,115,701 km (0.106 R)
• M5: 1,924,277 km (0.051 R)
• M6: 2,714,453 km (0.086 R)
• M7: 3,069,748 km (0.093 R)
• M8: 3,455,711 km (0.074 R)
• M9: 4,262,043 km (0.111 R)
• M10: 4,910,401 km (0.048 R)
• M11: 6,858,913 km (0.072 R)
• M12: 8,170,288 km (0.092 R)
• M13: 9,640,685 km (0.088 R)
• M14: 11,946,587 km (0.113 R)
• M15: 12,258,349 km (0.103 R)
• M16: 14,525,205 km (0.108 R)
• M17: 16,822,729 km (0.111 R)
• M18: 17,135,688 km (0.117 R)
• M19: 17,452,686 km (0.08 R)
• M20: 20,840,479 km (0.08 R)
• M21: 24,342,266 km (0.113 R)
• M22: 25,454,526 km (0.063 R)
• M23: 26,389,364 km (0.08 R)
• M24: 27,779,726 km (0.098 R)
• M25: 29,218,259 km (0.063 R)
• M26: 32,969,426 km (0.107 R)
• M27: 37,960,011 km (0.045 R)
• M28: 40,284,612 km (0.086 R)
• M29: 42,557,453 km (0.09 R)
• M30: 48,610,930 km (0.117 R)
• M31: 50,370,949 km (0.085 R)
• M32: 50,858,190 km (0.115 R)
• M33: 57,128,884 km (0.12 R)
• M34: 57,658,759 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.7

Radius: 7.1

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 12.9 AU - 13.86 AU

Year: 18637 Days

Day: 16.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,571,197 km

• M1: 89,160 km (0.052 R)
• M2: 401,670 km (0.061 R)
• M3: 683,812 km (0.09 R)
• M4: 1,296,864 km (0.081 R)
• M5: 1,655,899 km (0.112 R)
• M6: 2,043,357 km (0.115 R)
• M7: 2,595,373 km (0.028 R)
• M8: 3,119,564 km (0.119 R)
• M9: 3,822,674 km (0.085 R)
• M10: 4,167,198 km (0.111 R)
• M11: 5,538,712 km (0.118 R)
• M12: 5,980,474 km (0.114 R)
• M13: 11,246,020 km (0.117 R)
• M14: 12,629,202 km (0.086 R)
• M15: 13,987,850 km (0.108 R)
• M16: 14,599,107 km (0.034 R)
• M17: 15,369,984 km (0.036 R)
• M18: 16,315,742 km (0.11 R)
• M19: 17,532,272 km (0.092 R)
• M20: 18,242,563 km (0.086 R)
• M21: 18,645,430 km (0.108 R)
• M22: 21,903,223 km (0.103 R)
• M23: 24,145,396 km (0.091 R)
• M24: 30,411,302 km (0.08 R)
• M25: 31,782,516 km (0.095 R)
• M26: 37,034,598 km (0.094 R)
• M27: 38,729,542 km (0.119 R)
• M28: 41,437,114 km (0.12 R)
• M29: 44,849,591 km (0.031 R)
• M30: 45,583,369 km (0.094 R)
• M31: 52,551,338 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 16,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit