🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.27 AU - 1.31 AU

Year: 517 Days

Day: 21.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 48.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 44,348,350 km

• M1: 606,320 km (0.111 R)
• M2: 975,977 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.26 AU - 1.58 AU

Year: 597 Days

Day: 25.7 Hours

Environment

Temp: 13 °C

Axial Tilt: 179.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.37 AU - 1.67 AU

Year: 662 Days

Day: 15.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 29.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,348,350 km

• M1: 292,464 km (0.067 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.93 AU - 3.15 AU

Year: 1429 Days

Day: 27 Hours

Environment

Temp: -70 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.42 AU - 3.68 AU

Year: 1881 Days

Day: 36.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.53 AU - 5.47 AU

Year: 3371 Days

Day: 18.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,348,350 km

• M1: 1,828,984 km (0.032 R)

Asteroid Belt

Center: 6.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.1

Radius: 10.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.3 AU - 9.54 AU

Year: 9407 Days

Day: 12.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 44,348,350 km

• M1: 146,756 km (0.11 R)
• M2: 216,767 km (0.096 R)
• M3: 502,649 km (0.1 R)
• M4: 571,763 km (0.089 R)
• M5: 690,394 km (0.104 R)
• M6: 769,232 km (0.089 R)
• M7: 868,266 km (0.1 R)
• M8: 1,192,744 km (0.081 R)
• M9: 1,270,086 km (0.04 R)
• M10: 1,369,269 km (0.105 R)
• M11: 1,815,071 km (0.12 R)
• M12: 2,113,070 km (0.117 R)
• M13: 2,476,443 km (0.08 R)
• M14: 2,627,387 km (0.075 R)
• M15: 3,125,848 km (0.111 R)
• M16: 3,234,605 km (0.08 R)
• M17: 3,797,243 km (0.098 R)
• M18: 4,760,204 km (0.085 R)
• M19: 5,172,346 km (0.111 R)
• M20: 5,497,123 km (0.065 R)
• M21: 5,695,341 km (0.093 R)
• M22: 6,511,547 km (0.069 R)
• M23: 7,509,664 km (0.082 R)
• M24: 7,692,921 km (0.085 R)
• M25: 8,026,674 km (0.115 R)
• M26: 8,214,120 km (0.079 R)
• M27: 8,978,266 km (0.078 R)
• M28: 9,725,358 km (0.11 R)
• M29: 9,885,128 km (0.094 R)
• M30: 10,166,970 km (0.089 R)
• M31: 10,248,053 km (0.114 R)
• M32: 10,410,665 km (0.113 R)
• M33: 10,738,584 km (0.119 R)
• M34: 11,153,269 km (0.075 R)
• M35: 11,404,594 km (0.07 R)
• M36: 11,827,656 km (0.103 R)
• M37: 12,471,974 km (0.119 R)
• M38: 12,602,274 km (0.114 R)
• M39: 13,348,768 km (0.115 R)
• M40: 14,563,802 km (0.082 R)
• M41: 14,792,836 km (0.119 R)
• M42: 15,022,917 km (0.04 R)
• M43: 15,207,820 km (0.093 R)
• M44: 15,346,946 km (0.104 R)
• M45: 15,626,694 km (0.099 R)
• M46: 16,191,127 km (0.107 R)
• M47: 17,098,438 km (0.082 R)
• M48: 18,120,341 km (0.11 R)
• M49: 18,763,014 km (0.096 R)
• M50: 19,262,371 km (0.087 R)
• M51: 19,564,110 km (0.108 R)
• M52: 20,325,264 km (0.092 R)
• M53: 20,427,440 km (0.105 R)
• M54: 21,772,025 km (0.061 R)
• M55: 22,033,822 km (0.041 R)
• M56: 22,296,665 km (0.068 R)
• M57: 23,680,445 km (0.113 R)
• M58: 24,382,658 km (0.072 R)
• M59: 25,752,376 km (0.115 R)
• M60: 25,918,429 km (0.115 R)
• M61: 26,195,934 km (0.043 R)
• M62: 26,307,234 km (0.116 R)
• M63: 26,753,934 km (0.114 R)
• M64: 27,485,318 km (0.101 R)
• M65: 27,995,446 km (0.072 R)
• M66: 28,852,642 km (0.091 R)
• M67: 29,140,319 km (0.095 R)
• M68: 29,776,409 km (0.103 R)
• M69: 30,183,614 km (0.1 R)
• M70: 31,298,268 km (0.109 R)
• M71: 31,653,114 km (0.12 R)
• M72: 32,128,237 km (0.11 R)
• M73: 32,307,007 km (0.116 R)
• M74: 33,025,525 km (0.034 R)
• M75: 33,446,942 km (0.092 R)
• M76: 34,844,635 km (0.067 R)
• M77: 35,458,136 km (0.088 R)
• M78: 35,889,726 km (0.11 R)
• M79: 37,445,544 km (0.068 R)
• M80: 37,570,907 km (0.044 R)
• M81: 39,277,669 km (0.038 R)
• M82: 41,074,190 km (0.075 R)
• M83: 41,203,592 km (0.085 R)
• M84: 41,592,397 km (0.106 R)
• M85: 41,722,248 km (0.063 R)
• M86: 41,917,323 km (0.094 R)
• M87: 42,831,815 km (0.116 R)
• M88: 43,291,529 km (0.109 R)
• M89: 43,884,984 km (0.107 R)
• M90: 44,149,473 km (0.063 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 20,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit